Change in osmo-msc[master]: vlr: optionally send IMEI early to HLR

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osmith gerrit-no-reply at lists.osmocom.org
Wed May 15 09:17:55 UTC 2019 

osmith has submitted this change and it was merged. ( https://gerrit.osmocom.org/13894 )

Change subject: vlr: optionally send IMEI early to HLR
......................................................................

vlr: optionally send IMEI early to HLR

When 'check-imei-rqd 1 early' is set in the config, send the IMEI to
the HLR before doing the location update with the HLR.

The OsmoHLR documentation referenced in the code will be added in
osmo-hlr.git's Change-Id I2dd4a56f7b8be8b5d0e6fc32e04459e5e278d0a9.

Related: OS#2542
Change-Id: I88283cad23793b475445d814ff49db534cb41244
---
M src/libvlr/vlr.c
M src/libvlr/vlr_lu_fsm.c
M src/libvlr/vlr_lu_fsm.h
M tests/msc_vlr/msc_vlr_test_authen_reuse.err
M tests/msc_vlr/msc_vlr_test_call.err
M tests/msc_vlr/msc_vlr_test_gsm_authen.err
M tests/msc_vlr/msc_vlr_test_gsm_ciph.err
M tests/msc_vlr/msc_vlr_test_hlr_reject.err
M tests/msc_vlr/msc_vlr_test_hlr_timeout.err
M tests/msc_vlr/msc_vlr_test_ms_timeout.err
M tests/msc_vlr/msc_vlr_test_no_authen.c
M tests/msc_vlr/msc_vlr_test_no_authen.err
M tests/msc_vlr/msc_vlr_test_reject_concurrency.err
M tests/msc_vlr/msc_vlr_test_rest.err
M tests/msc_vlr/msc_vlr_test_ss.err
M tests/msc_vlr/msc_vlr_test_umts_authen.err
16 files changed, 207 insertions(+), 169 deletions(-)

Approvals:
  Vadim Yanitskiy: Looks good to me, but someone else must approve
  Harald Welte: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/src/libvlr/vlr.c b/src/libvlr/vlr.c
index f76a7ee..b156b43 100644
--- a/src/libvlr/vlr.c
+++ b/src/libvlr/vlr.c
@@ -1043,6 +1043,8 @@
 		return -ENODEV;
 	}
 
+	/* Dispatch result to vsub->lu_fsm, which will either handle the result by itself (Check IMEI early) or dispatch
+         * it further to lu_compl_vlr_fsm (Check IMEI after LU). */
 	if (gsup->message_type == OSMO_GSUP_MSGT_CHECK_IMEI_RESULT) {
 		if (gsup->imei_result == OSMO_GSUP_IMEI_RESULT_ACK)
 			osmo_fsm_inst_dispatch(vsub->lu_fsm, VLR_ULA_E_HLR_IMEI_ACK, NULL);
diff --git a/src/libvlr/vlr_lu_fsm.c b/src/libvlr/vlr_lu_fsm.c
index 15ab88c..9dff4aa 100644
--- a/src/libvlr/vlr_lu_fsm.c
+++ b/src/libvlr/vlr_lu_fsm.c
@@ -460,7 +460,8 @@
 
 	/* TODO: Trace_Subscriber_Activity_VLR */
 
-	if (vlr->cfg.check_imei_rqd) {
+	/* If imeisv_early is enabled: IMEI already retrieved and checked (vlr_loc_upd_node1_pre), don't do it again. */
+	if (vlr->cfg.check_imei_rqd && !vlr->cfg.retrieve_imeisv_early) {
 		/* Check IMEI VLR */
 		osmo_fsm_inst_state_chg(fi,
 					lcvp->assign_tmsi ?
@@ -924,6 +925,39 @@
 	}
 }
 
+static void vlr_loc_upd_node1_pre(struct osmo_fsm_inst *fi)
+{
+	struct lu_fsm_priv *lfp = lu_fsm_fi_priv(fi);
+	struct vlr_instance *vlr = lfp->vlr;
+
+	LOGPFSM(fi, "%s()\n", __func__);
+
+	if (vlr->cfg.check_imei_rqd && vlr->cfg.retrieve_imeisv_early) {
+		osmo_fsm_inst_state_chg(fi, VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY, vlr_timer(lfp->vlr, 3270), 3270);
+		vlr_subscr_tx_req_check_imei(lfp->vsub);
+	} else {
+		vlr_loc_upd_node1(fi);
+	}
+}
+
+/* End of Check_IMEI Procedure. Executed early (before the location update), so we can send the IMEI to the HLR even if
+ * the MS would be rejected in LU. See the "Configuring the Subscribers Create on Demand Feature" section of the OsmoHLR
+ * user manual for a detailed explanation of the use case. */
+static void lu_fsm_wait_hlr_check_imei_early(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+	switch (event) {
+	case VLR_ULA_E_HLR_IMEI_ACK:
+		vlr_loc_upd_node1(fi);
+		break;
+	case VLR_ULA_E_HLR_IMEI_NACK:
+		lu_fsm_failure(fi, GSM48_REJECT_ILLEGAL_ME);
+		break;
+	default:
+		OSMO_ASSERT(0);
+		break;
+	}
+}
+
 static void vlr_loc_upd_want_imsi(struct osmo_fsm_inst *fi)
 {
 	struct lu_fsm_priv *lfp = lu_fsm_fi_priv(fi);
@@ -937,7 +971,7 @@
 	osmo_fsm_inst_state_chg(fi, VLR_ULA_S_WAIT_IMSI,
 				vlr_timer(vlr, 3270), 3270);
 	vlr->ops.tx_id_req(lfp->msc_conn_ref, GSM_MI_TYPE_IMSI);
-	/* will continue at vlr_loc_upd_node1() once IMSI arrives */
+	/* will continue at vlr_loc_upd_node1_pre() once IMSI arrives */
 }
 
 static int assoc_lfp_with_sub(struct osmo_fsm_inst *fi, struct vlr_subscr *vsub)
@@ -1043,7 +1077,7 @@
 	if (!lfp->vsub->imsi[0])
 		vlr_loc_upd_want_imsi(fi);
 	else
-		vlr_loc_upd_node1(fi);
+		vlr_loc_upd_node1_pre(fi);
 }
 
 static void lu_fsm_idle(struct osmo_fsm_inst *fi, uint32_t event,
@@ -1097,7 +1131,7 @@
 {
 	switch (event) {
 	case VLR_ULA_E_SEND_ID_ACK:
-		vlr_loc_upd_node1(fi);
+		vlr_loc_upd_node1_pre(fi);
 		break;
 	case VLR_ULA_E_SEND_ID_NACK:
 		vlr_loc_upd_want_imsi(fi);
@@ -1165,7 +1199,7 @@
 	switch (event) {
 	case VLR_ULA_E_ID_IMSI:
 		vlr_subscr_set_imsi(vsub, mi_string);
-		vlr_loc_upd_node1(fi);
+		vlr_loc_upd_node1_pre(fi);
 		break;
 	default:
 		OSMO_ASSERT(0);
@@ -1305,6 +1339,7 @@
 				  S(VLR_ULA_S_WAIT_IMSI) |
 				  S(VLR_ULA_S_WAIT_AUTH) |
 				  S(VLR_ULA_S_WAIT_CIPH) |
+				  S(VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY) |
 				  S(VLR_ULA_S_WAIT_HLR_UPD) |
 				  S(VLR_ULA_S_DONE),
 		.name = OSMO_STRINGIFY(VLR_ULA_S_IDLE),
@@ -1316,6 +1351,7 @@
 				  S(VLR_ULA_S_WAIT_IMSI) |
 				  S(VLR_ULA_S_WAIT_AUTH) |
 				  S(VLR_ULA_S_WAIT_CIPH) |
+				  S(VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY) |
 				  S(VLR_ULA_S_WAIT_HLR_UPD) |
 				  S(VLR_ULA_S_DONE),
 		.name = OSMO_STRINGIFY(VLR_ULA_S_WAIT_IMEISV),
@@ -1327,6 +1363,7 @@
 		.out_state_mask = S(VLR_ULA_S_WAIT_IMSI) |
 				  S(VLR_ULA_S_WAIT_AUTH) |
 				  S(VLR_ULA_S_WAIT_CIPH) |
+				  S(VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY) |
 				  S(VLR_ULA_S_DONE),
 		.name = OSMO_STRINGIFY(VLR_ULA_S_WAIT_PVLR),
 		.action = lu_fsm_wait_pvlr,
@@ -1352,11 +1389,23 @@
 		.in_event_mask = S(VLR_ULA_E_ID_IMSI),
 		.out_state_mask = S(VLR_ULA_S_WAIT_AUTH) |
 				  S(VLR_ULA_S_WAIT_CIPH) |
+				  S(VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY) |
 				  S(VLR_ULA_S_WAIT_HLR_UPD) |
 				  S(VLR_ULA_S_DONE),
 		.name = OSMO_STRINGIFY(VLR_ULA_S_WAIT_IMSI),
 		.action = lu_fsm_wait_imsi,
 	},
+	[VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY] = {
+		.in_event_mask = S(VLR_ULA_E_HLR_IMEI_ACK) |
+				 S(VLR_ULA_E_HLR_IMEI_NACK),
+		.out_state_mask = S(VLR_ULA_S_WAIT_AUTH) |
+				  S(VLR_ULA_S_WAIT_CIPH) |
+				  S(VLR_ULA_S_WAIT_HLR_UPD) |
+				  S(VLR_ULA_S_WAIT_LU_COMPL) |
+				  S(VLR_ULA_S_DONE),
+		.name = OSMO_STRINGIFY(VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY),
+		.action = lu_fsm_wait_hlr_check_imei_early,
+	},
 	[VLR_ULA_S_WAIT_HLR_UPD] = {
 		.in_event_mask = S(VLR_ULA_E_HLR_LU_RES) |
 				 S(VLR_ULA_E_UPD_HLR_COMPL),
diff --git a/src/libvlr/vlr_lu_fsm.h b/src/libvlr/vlr_lu_fsm.h
index 5cf13c7..b5c4a5e 100644
--- a/src/libvlr/vlr_lu_fsm.h
+++ b/src/libvlr/vlr_lu_fsm.h
@@ -9,6 +9,7 @@
 	VLR_ULA_S_WAIT_AUTH,	/* Waiting for Authentication */
 	VLR_ULA_S_WAIT_CIPH,	/* Waiting for Ciphering Complete */
 	VLR_ULA_S_WAIT_IMSI,	/* Waiting for IMSI from MS */
+	VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY, /* Waiting for Check IMEI result from HLR */
 	VLR_ULA_S_WAIT_HLR_UPD,	/* Waiting for end of HLR update */
 	VLR_ULA_S_WAIT_LU_COMPL,/* Waiting for LU complete */
 	VLR_ULA_S_WAIT_LU_COMPL_STANDALONE, /* Standalone VLR */
diff --git a/tests/msc_vlr/msc_vlr_test_authen_reuse.err b/tests/msc_vlr/msc_vlr_test_authen_reuse.err
index 9b8555d..ea156de 100644
--- a/tests/msc_vlr/msc_vlr_test_authen_reuse.err
+++ b/tests/msc_vlr/msc_vlr_test_authen_reuse.err
@@ -30,6 +30,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -531,6 +532,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1062,6 +1064,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1666,6 +1669,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2309,6 +2313,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2695,6 +2700,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
diff --git a/tests/msc_vlr/msc_vlr_test_call.err b/tests/msc_vlr/msc_vlr_test_call.err
index 620ec0e..0eaa2f3 100644
--- a/tests/msc_vlr/msc_vlr_test_call.err
+++ b/tests/msc_vlr/msc_vlr_test_call.err
@@ -31,6 +31,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -456,6 +457,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -879,6 +881,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1261,6 +1264,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1645,6 +1649,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_authen.err b/tests/msc_vlr/msc_vlr_test_gsm_authen.err
index 66a97c2..45b047d 100644
--- a/tests/msc_vlr/msc_vlr_test_gsm_authen.err
+++ b/tests/msc_vlr/msc_vlr_test_gsm_authen.err
@@ -30,6 +30,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -610,6 +611,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1175,6 +1177,7 @@
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - _lu_fsm_associate_vsub: now used by 2 (attached,active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1428,6 +1431,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1738,6 +1742,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2003,6 +2008,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2269,6 +2275,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2620,6 +2627,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -3175,6 +3183,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_ciph.err b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
index 7328a8d..b527f05 100644
--- a/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
+++ b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
@@ -30,6 +30,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -679,6 +680,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1376,6 +1378,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1693,6 +1696,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1977,6 +1981,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2335,6 +2340,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2929,6 +2935,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -3570,6 +3577,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_reject.err b/tests/msc_vlr/msc_vlr_test_hlr_reject.err
index 8114459..2dd6a52 100644
--- a/tests/msc_vlr/msc_vlr_test_hlr_reject.err
+++ b/tests/msc_vlr/msc_vlr_test_hlr_reject.err
@@ -30,6 +30,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -131,6 +132,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -235,6 +237,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -396,6 +399,7 @@
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - _lu_fsm_associate_vsub: now used by 2 (attached,active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -559,6 +563,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -720,6 +725,7 @@
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - _lu_fsm_associate_vsub: now used by 2 (attached,active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -824,6 +830,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -986,6 +993,7 @@
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - _lu_fsm_associate_vsub: now used by 2 (attached,active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1087,6 +1095,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1187,6 +1196,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -1290,6 +1300,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
diff --git a/tests/msc_vlr/msc_vlr_test_hlr_timeout.err b/tests/msc_vlr/msc_vlr_test_hlr_timeout.err
index 9c8a97f..60b240d 100644
--- a/tests/msc_vlr/msc_vlr_test_hlr_timeout.err
+++ b/tests/msc_vlr/msc_vlr_test_hlr_timeout.err
@@ -31,6 +31,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -141,6 +142,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
diff --git a/tests/msc_vlr/msc_vlr_test_ms_timeout.err b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
index 913ed03..07f2b5b 100644
--- a/tests/msc_vlr/msc_vlr_test_ms_timeout.err
+++ b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
@@ -31,6 +31,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -160,6 +161,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -432,6 +434,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -739,6 +742,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000004620:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
diff --git a/tests/msc_vlr/msc_vlr_test_no_authen.c b/tests/msc_vlr/msc_vlr_test_no_authen.c
index 72647a3..b3289f3 100644
--- a/tests/msc_vlr/msc_vlr_test_no_authen.c
+++ b/tests/msc_vlr/msc_vlr_test_no_authen.c
@@ -615,11 +615,10 @@
 	ms_sends_msg("050802008168000130089910070000006402");
 	OSMO_ASSERT(dtap_tx_confirmed);
 
-	btw("MS replies with an Identity Response, causes LU to commence with a GSUP LU request to HLR");
-	gsup_expect_tx("04010809710000004026f0280102" VLR_TO_HLR);
+	btw("MS replies with an Identity Response, causes an early GSUP Check IMEI request to HLR");
+	gsup_expect_tx("30010809710000004026f050080724433224433224" VLR_TO_HLR);
 	ms_sends_msg("0559094332244332244372f5");
 	OSMO_ASSERT(gsup_tx_confirmed);
-	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
 
 	btw("Subscriber has the IMEISV from the ID Response");
 	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__);
@@ -627,6 +626,13 @@
 	VERBOSE_ASSERT(strcmp(vsub->imeisv, "4234234234234275"), == 0, "%d");
 	vlr_subscr_put(vsub, __func__);
 
+	btw("HLR accepts the IMEI, VLR responds with LU Request");
+	expect_bssap_clear();
+	gsup_rx("32010809710000004026f0510100" HLR_TO_VLR,
+		"04010809710000004026f0280102" VLR_TO_HLR);
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
 	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
 	gsup_rx("10010809710000004026f00804036470f1" HLR_TO_VLR,
 		"12010809710000004026f0" VLR_TO_HLR);
@@ -637,27 +643,9 @@
 	thwart_rx_non_initial_requests();
 	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
 
-	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS");
-	dtap_expect_tx("051802");
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
 	gsup_rx("06010809710000004026f0" HLR_TO_VLR, NULL);
 
-	btw("We will only do business when the IMEI is known");
-	EXPECT_CONN_COUNT(1);
-	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__);
-	OSMO_ASSERT(vsub);
-	vlr_subscr_put(vsub, __func__);
-	EXPECT_ACCEPTED(false);
-	thwart_rx_non_initial_requests();
-
-	btw("MS replies with an Identity Response, VLR sends the IMEI to HLR");
-	gsup_expect_tx("30010809710000004026f050080724433224433224" VLR_TO_HLR);
-	ms_sends_msg("0559084a32244332244302");
-
-	btw("HLR accepts the IMEI");
-	expect_bssap_clear();
-	gsup_rx("32010809710000004026f0510100" HLR_TO_VLR, NULL);
-	VERBOSE_ASSERT(bssap_clear_sent, == true, "%d");
-
 	btw("LU was successful, and the conn has already been closed");
 	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
 	ran_sends_clear_complete();
@@ -840,11 +828,10 @@
 	ms_sends_msg("050802008168000130089910070000006402");
 	OSMO_ASSERT(dtap_tx_confirmed);
 
-	btw("MS replies with an Identity Response, causes LU to commence with a GSUP LU request to HLR");
-	gsup_expect_tx("04010809710000004026f0280102" VLR_TO_HLR);
+	btw("MS replies with an Identity Response, causes an early GSUP Check IMEI request to HLR");
+	gsup_expect_tx("30010809710000004026f050080724433224433224" VLR_TO_HLR);
 	ms_sends_msg("0559094332244332244372f5");
 	OSMO_ASSERT(gsup_tx_confirmed);
-	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
 
 	btw("Subscriber has the IMEISV from the ID Response");
 	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__);
@@ -852,6 +839,13 @@
 	VERBOSE_ASSERT(strcmp(vsub->imeisv, "4234234234234275"), == 0, "%d");
 	vlr_subscr_put(vsub, __func__);
 
+	btw("HLR accepts the IMEI, VLR responds with LU Request");
+	expect_bssap_clear();
+	gsup_rx("32010809710000004026f0510100" HLR_TO_VLR,
+		"04010809710000004026f0280102" VLR_TO_HLR);
+	OSMO_ASSERT(gsup_tx_confirmed);
+	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
 	btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
 	gsup_rx("10010809710000004026f00804036470f1" HLR_TO_VLR,
 		"12010809710000004026f0" VLR_TO_HLR);
@@ -862,25 +856,9 @@
 	thwart_rx_non_initial_requests();
 	VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
 
-	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS");
-	dtap_expect_tx("051802");
+	btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
 	gsup_rx("06010809710000004026f0" HLR_TO_VLR, NULL);
 
-	btw("We will only do business when the IMEI is known");
-	EXPECT_CONN_COUNT(1);
-	vsub = vlr_subscr_find_by_imsi(net->vlr, imsi, __func__);
-	OSMO_ASSERT(vsub);
-	vlr_subscr_put(vsub, __func__);
-	EXPECT_ACCEPTED(false);
-	thwart_rx_non_initial_requests();
-
-	btw("MS replies with an Identity Response, VLR sends the IMEI to HLR");
-	gsup_expect_tx("30010809710000004026f050080724433224433224" VLR_TO_HLR);
-	ms_sends_msg("0559084a32244332244302");
-
-	btw("HLR accepts the IMEI");
-	gsup_rx("32010809710000004026f0510100" HLR_TO_VLR, NULL);
-
 	btw("a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl");
 	EXPECT_CONN_COUNT(1);
 	VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
diff --git a/tests/msc_vlr/msc_vlr_test_no_authen.err b/tests/msc_vlr/msc_vlr_test_no_authen.err
index a048215..b6c0698 100644
--- a/tests/msc_vlr/msc_vlr_test_no_authen.err
+++ b/tests/msc_vlr/msc_vlr_test_no_authen.err
@@ -30,6 +30,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -477,6 +478,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -909,6 +911,7 @@
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - _lu_fsm_associate_vsub: now used by 2 (attached,active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -1155,6 +1158,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -1404,6 +1408,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -1704,6 +1709,7 @@
 DVLR set IMEISV on subscriber; IMSI=901700000004620 IMEISV=4234234234234275
 DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=42342342342342
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: Received Event VLR_ULA_E_ID_IMEISV
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_ciph()
@@ -1914,7 +1920,7 @@
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_IMEISV
 DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - mm_rx_loc_upd_req: now used by 2 (rx_from_ms,lu)
 DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - rx_from_ms: now used by 1 (lu)
-- MS replies with an Identity Response, causes LU to commence with a GSUP LU request to HLR
+- MS replies with an Identity Response, causes an early GSUP Check IMEI request to HLR
   MSC <--GERAN-A-- MS: GSM48_MT_MM_ID_RESP
 DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: + rx_from_ms: now used by 2 (lu,rx_from_ms)
 DBSSAP msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
@@ -1923,22 +1929,31 @@
 DVLR set IMEISV on subscriber; IMSI=901700000004620 IMEISV=4234234234234275
 DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=42342342342342
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: Received Event VLR_ULA_E_ID_IMEISV
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1()
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_auth()
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_ciph()
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node_4()
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1_pre()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: state_chg to VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY
+GSUP --> HLR: OSMO_GSUP_MSGT_CHECK_IMEI_REQUEST: 30010809710000004026f0500807244332244332240a0101
+DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - rx_from_ms: now used by 1 (lu)
+- Subscriber has the IMEISV from the ID Response
+DREF VLR subscr IMSI-901700000004620 + test_no_authen_imeisv_imei: now used by 2 (active-conn,test_no_authen_imeisv_imei)
+  strcmp(vsub->imeisv, "4234234234234275") == 0
+DREF VLR subscr IMSI-901700000004620 - test_no_authen_imeisv_imei: now used by 1 (active-conn)
+- HLR accepts the IMEI, VLR responds with LU Request
+<-- GSUP rx OSMO_GSUP_MSGT_CHECK_IMEI_RESULT: 32010809710000004026f05101000a0101
+DREF VLR subscr IMSI-901700000004620 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: Received Event VLR_ULA_E_HLR_IMEI_ACK
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
 DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: Allocated
 DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU)
 DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
 GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f02801020a0101
 DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
-DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - rx_from_ms: now used by 1 (lu)
+DREF VLR subscr IMSI-901700000004620 - vlr_gsup_rx: now used by 1 (active-conn)
+<-- GSUP rx OSMO_GSUP_MSGT_CHECK_IMEI_RESULT: vlr_gsupc_read_cb() returns 0
   lu_result_sent == 0
-- Subscriber has the IMEISV from the ID Response
-DREF VLR subscr IMSI-901700000004620 + test_no_authen_imeisv_imei: now used by 2 (active-conn,test_no_authen_imeisv_imei)
-  strcmp(vsub->imeisv, "4234234234234275") == 0
-DREF VLR subscr IMSI-901700000004620 - test_no_authen_imeisv_imei: now used by 1 (active-conn)
 - HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
 <-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f10a0101
 DREF VLR subscr IMSI-901700000004620 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
@@ -1968,7 +1983,7 @@
 DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: SMS:0x01
 DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
   lu_result_sent == 0
-- HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
 <-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f00a0101
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
@@ -1983,58 +1998,13 @@
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
-DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI
-DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
-- DTAP --GERAN-A--> MS: GSM48_MT_MM_ID_REQ: 051802
-- DTAP matches expected message
-DMSC dummy_msc_i(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
-DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_DONE}: Deallocated
-DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - vlr_gsup_rx: now used by 1 (active-conn)
-<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
-- We will only do business when the IMEI is known
-  llist_count(&msub_list) == 1
-DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + test_no_authen_imeisv_imei: now used by 2 (active-conn,test_no_authen_imeisv_imei)
-DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - test_no_authen_imeisv_imei: now used by 1 (active-conn)
-msc_a_is_accepted() == false
-  requests shall be thwarted
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: CC GSM48_MT_CC_SETUP
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: GSM48_MT_CC_SETUP
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: MM unknown 0x33
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: unknown 0x33
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: RR GSM48_MT_RR_SYSINFO_1
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: GSM48_MT_RR_SYSINFO_1
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: SMS SMS:0x01
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: SMS:0x01
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
-- MS replies with an Identity Response, VLR sends the IMEI to HLR
-  MSC <--GERAN-A-- MS: GSM48_MT_MM_ID_RESP
-DREF msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: + rx_from_ms: now used by 2 (lu,rx_from_ms)
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: MM GSM48_MT_MM_ID_RESP
-DMM IDENTITY RESPONSE: MI=IMEI-423423423423420
-DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=42342342342342
-DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_ID_IMEI
-GSUP --> HLR: OSMO_GSUP_MSGT_CHECK_IMEI_REQUEST: 30010809710000004026f0500807244332244332240a0101
-DREF msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - rx_from_ms: now used by 1 (lu)
-- HLR accepts the IMEI
-<-- GSUP rx OSMO_GSUP_MSGT_CHECK_IMEI_RESULT: 32010809710000004026f05101000a0101
-DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
-DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_HLR_IMEI_ACK
-DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_IMEI}: Received Event LU_COMPL_VLR_E_IMEI_CHECK_ACK
 - sending LU Accept for IMSI-901700000004620:MSISDN-46071:GERAN-A:LU
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + attached: now used by 3 (active-conn,vlr_gsup_rx,attached)
-DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_IMEI}: state_chg to LU_COMPL_VLR_S_DONE
+DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_DONE
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_LU_COMPL_SUCCESS
-DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_DONE}: Terminating in cascade, depth 2 (cause = OSMO_FSM_TERM_PARENT, caused by: upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU))
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_DONE}: Removing from parent vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU)
-DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_DONE}: Deallocated
+DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_DONE}: Deferring: will deallocate with upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU)
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_LU_COMPL}: state_chg to VLR_ULA_S_DONE
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Received Event MSC_A_EV_AUTHENTICATED
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: state_chg to MSC_A_ST_AUTHENTICATED
@@ -2049,9 +2019,9 @@
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASING}: RAN encode: CLEAR_COMMAND on GERAN-A
 DMSC dummy_msc_i(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - msc_a_fsm_releasing_onenter: now used by 3 (active-conn,vlr_gsup_rx,attached)
+DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_DONE}: Deallocated, including all deferred deallocations
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - vlr_gsup_rx: now used by 2 (active-conn,attached)
-<-- GSUP rx OSMO_GSUP_MSGT_CHECK_IMEI_RESULT: vlr_gsupc_read_cb() returns 0
-  bssap_clear_sent == 1
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
 - LU was successful, and the conn has already been closed
   lu_result_sent == 1
 DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_RELEASING}: RAN decode: CLEAR_COMPLETE
@@ -2190,6 +2160,7 @@
 DVLR set IMEISV on subscriber; IMSI=901700000004620 IMEISV=4234234234234275
 DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=42342342342342
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: Received Event VLR_ULA_E_ID_IMEISV
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_ciph()
@@ -2387,6 +2358,7 @@
 DVLR set IMEISV on subscriber; IMSI=901700000004620 IMEISV=5234234234234276
 DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=52342342342342
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: Received Event VLR_ULA_E_ID_IMEISV
+DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_ciph()
@@ -2643,7 +2615,7 @@
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_IMEISV
 DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - mm_rx_loc_upd_req: now used by 2 (rx_from_ms,lu)
 DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - rx_from_ms: now used by 1 (lu)
-- MS replies with an Identity Response, causes LU to commence with a GSUP LU request to HLR
+- MS replies with an Identity Response, causes an early GSUP Check IMEI request to HLR
   MSC <--GERAN-A-- MS: GSM48_MT_MM_ID_RESP
 DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: + rx_from_ms: now used by 2 (lu,rx_from_ms)
 DBSSAP msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
@@ -2652,22 +2624,31 @@
 DVLR set IMEISV on subscriber; IMSI=901700000004620 IMEISV=4234234234234275
 DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=42342342342342
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: Received Event VLR_ULA_E_ID_IMEISV
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1()
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_auth()
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_post_ciph()
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node_4()
-DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: vlr_loc_upd_node1_pre()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_IMEISV}: state_chg to VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY
+GSUP --> HLR: OSMO_GSUP_MSGT_CHECK_IMEI_REQUEST: 30010809710000004026f0500807244332244332240a0101
+DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - rx_from_ms: now used by 1 (lu)
+- Subscriber has the IMEISV from the ID Response
+DREF VLR subscr IMSI-901700000004620 + test_no_authen_imeisv_tmsi_imei: now used by 2 (active-conn,test_no_authen_imeisv_tmsi_imei)
+  strcmp(vsub->imeisv, "4234234234234275") == 0
+DREF VLR subscr IMSI-901700000004620 - test_no_authen_imeisv_tmsi_imei: now used by 1 (active-conn)
+- HLR accepts the IMEI, VLR responds with LU Request
+<-- GSUP rx OSMO_GSUP_MSGT_CHECK_IMEI_RESULT: 32010809710000004026f05101000a0101
+DREF VLR subscr IMSI-901700000004620 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: Received Event VLR_ULA_E_HLR_IMEI_ACK
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: vlr_loc_upd_node1()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: vlr_loc_upd_post_auth()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: vlr_loc_upd_post_ciph()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: vlr_loc_upd_node_4()
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_CHECK_IMEI_EARLY}: state_chg to VLR_ULA_S_WAIT_HLR_UPD
 DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: Allocated
 DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: is child of vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU)
 DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: Received Event UPD_HLR_VLR_E_START
 GSUP --> HLR: OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST: 04010809710000004026f02801020a0101
 DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_INIT}: state_chg to UPD_HLR_VLR_S_WAIT_FOR_DATA
-DREF msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - rx_from_ms: now used by 1 (lu)
+DREF VLR subscr IMSI-901700000004620 - vlr_gsup_rx: now used by 1 (active-conn)
+<-- GSUP rx OSMO_GSUP_MSGT_CHECK_IMEI_RESULT: vlr_gsupc_read_cb() returns 0
   lu_result_sent == 0
-- Subscriber has the IMEISV from the ID Response
-DREF VLR subscr IMSI-901700000004620 + test_no_authen_imeisv_tmsi_imei: now used by 2 (active-conn,test_no_authen_imeisv_tmsi_imei)
-  strcmp(vsub->imeisv, "4234234234234275") == 0
-DREF VLR subscr IMSI-901700000004620 - test_no_authen_imeisv_tmsi_imei: now used by 1 (active-conn)
 - HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT
 <-- GSUP rx OSMO_GSUP_MSGT_INSERT_DATA_REQUEST: 10010809710000004026f00804036470f10a0101
 DREF VLR subscr IMSI-901700000004620 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
@@ -2697,7 +2678,7 @@
 DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: SMS:0x01
 DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
   lu_result_sent == 0
-- HLR also sends GSUP _UPDATE_LOCATION_RESULT, and we send an ID Request for the IMEI to the MS
+- HLR also sends GSUP _UPDATE_LOCATION_RESULT
 <-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: 06010809710000004026f00a0101
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_HLR_UPD}: Received Event VLR_ULA_E_HLR_LU_RES
@@ -2712,57 +2693,13 @@
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: Received Event LU_COMPL_VLR_E_START
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_INIT}: state_chg to LU_COMPL_VLR_S_WAIT_SUB_PRES
 DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: Received Event LU_COMPL_VLR_E_SUB_PRES_COMPL
-DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_IMEI_TMSI
-DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN encode: DTAP on GERAN-A
-- DTAP --GERAN-A--> MS: GSM48_MT_MM_ID_REQ: 051802
-- DTAP matches expected message
-DMSC dummy_msc_i(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
-DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_DONE}: Deallocated
-DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - vlr_gsup_rx: now used by 1 (active-conn)
-<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
-- We will only do business when the IMEI is known
-  llist_count(&msub_list) == 1
-DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + test_no_authen_imeisv_tmsi_imei: now used by 2 (active-conn,test_no_authen_imeisv_tmsi_imei)
-DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - test_no_authen_imeisv_tmsi_imei: now used by 1 (active-conn)
-msc_a_is_accepted() == false
-  requests shall be thwarted
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: CC GSM48_MT_CC_SETUP
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: GSM48_MT_CC_SETUP
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: MM unknown 0x33
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: unknown 0x33
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: RR GSM48_MT_RR_SYSINFO_1
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: GSM48_MT_RR_SYSINFO_1
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: SMS SMS:0x01
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Message not permitted for initial conn: SMS:0x01
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode error (rc=-13) for DTAP from MSC-I
-- MS replies with an Identity Response, VLR sends the IMEI to HLR
-  MSC <--GERAN-A-- MS: GSM48_MT_MM_ID_RESP
-DREF msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: + rx_from_ms: now used by 2 (lu,rx_from_ms)
-DBSSAP msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: RAN decode: DTAP
-DRLL msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: Dispatching 04.08 message: MM GSM48_MT_MM_ID_RESP
-DMM IDENTITY RESPONSE: MI=IMEI-423423423423420
-DVLR set IMEI on subscriber; IMSI=901700000004620 IMEI=42342342342342
-DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_ID_IMEI
-GSUP --> HLR: OSMO_GSUP_MSGT_CHECK_IMEI_REQUEST: 30010809710000004026f0500807244332244332240a0101
-DREF msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_AUTH_CIPH}: - rx_from_ms: now used by 1 (lu)
-- HLR accepts the IMEI
-<-- GSUP rx OSMO_GSUP_MSGT_CHECK_IMEI_RESULT: 32010809710000004026f05101000a0101
-DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_gsup_rx: now used by 2 (active-conn,vlr_gsup_rx)
-DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_WAIT_LU_COMPL}: Received Event VLR_ULA_E_HLR_IMEI_ACK
-DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: Received Event LU_COMPL_VLR_E_IMEI_CHECK_ACK
-DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: lu_compl_vlr_new_tmsi()
+DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: lu_compl_vlr_new_tmsi()
 DVLR SUBSCR(IMSI-901700000004620:MSISDN-46071:TMSInew-0x03020100) VLR: update for IMSI=901700000004620 (MSISDN=46071)
-DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_IMEI_TMSI}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
+DVLR lu_compl_vlr_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){LU_COMPL_VLR_S_WAIT_SUB_PRES}: state_chg to LU_COMPL_VLR_S_WAIT_TMSI_CNF
 - sending LU Accept for IMSI-901700000004620:MSISDN-46071:TMSInew-0x03020100:GERAN-A:LU, with TMSI 0x03020100
+DVLR upd_hlr_vlr_fsm(IMSI-901700000004620:GERAN-A:LU){UPD_HLR_VLR_S_DONE}: Deallocated
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSInew-0x03020100 - vlr_gsup_rx: now used by 1 (active-conn)
-<-- GSUP rx OSMO_GSUP_MSGT_CHECK_IMEI_RESULT: vlr_gsupc_read_cb() returns 0
+<-- GSUP rx OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT: vlr_gsupc_read_cb() returns 0
 - a LU Accept with a new TMSI was sent, waiting for TMSI Realloc Compl
   llist_count(&msub_list) == 1
   lu_result_sent == 1
@@ -2941,6 +2878,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
diff --git a/tests/msc_vlr/msc_vlr_test_reject_concurrency.err b/tests/msc_vlr/msc_vlr_test_reject_concurrency.err
index 424fca6..e1df2db 100644
--- a/tests/msc_vlr/msc_vlr_test_reject_concurrency.err
+++ b/tests/msc_vlr/msc_vlr_test_reject_concurrency.err
@@ -30,6 +30,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -219,6 +220,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -359,6 +361,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -503,6 +506,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -645,6 +649,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -879,6 +884,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -1117,6 +1123,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -1340,6 +1347,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -1637,6 +1645,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -1957,6 +1966,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
diff --git a/tests/msc_vlr/msc_vlr_test_rest.err b/tests/msc_vlr/msc_vlr_test_rest.err
index 1f37000..3990d10 100644
--- a/tests/msc_vlr/msc_vlr_test_rest.err
+++ b/tests/msc_vlr/msc_vlr_test_rest.err
@@ -95,6 +95,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -233,6 +234,7 @@
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - _lu_fsm_associate_vsub: now used by 2 (attached,active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:MSISDN-46071:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -467,6 +469,7 @@
 DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
 DVLR vlr_lu_fsm(TMSI-0x23422342:GERAN-A:LU){VLR_ULA_S_WAIT_IMSI}: Received Event VLR_ULA_E_ID_IMSI
 DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
+DVLR vlr_lu_fsm(TMSI-0x23422342:GERAN-A:LU){VLR_ULA_S_WAIT_IMSI}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(TMSI-0x23422342:GERAN-A:LU){VLR_ULA_S_WAIT_IMSI}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(TMSI-0x23422342:GERAN-A:LU){VLR_ULA_S_WAIT_IMSI}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(TMSI-0x23422342:GERAN-A:LU){VLR_ULA_S_WAIT_IMSI}: vlr_loc_upd_post_ciph()
diff --git a/tests/msc_vlr/msc_vlr_test_ss.err b/tests/msc_vlr/msc_vlr_test_ss.err
index 333d275..976b263 100644
--- a/tests/msc_vlr/msc_vlr_test_ss.err
+++ b/tests/msc_vlr/msc_vlr_test_ss.err
@@ -30,6 +30,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
@@ -263,6 +264,7 @@
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000004620:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000004620 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_auth()
 DVLR vlr_lu_fsm(IMSI-901700000004620:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_post_ciph()
diff --git a/tests/msc_vlr/msc_vlr_test_umts_authen.err b/tests/msc_vlr/msc_vlr_test_umts_authen.err
index 2940b36..b11f077 100644
--- a/tests/msc_vlr/msc_vlr_test_umts_authen.err
+++ b/tests/msc_vlr/msc_vlr_test_umts_authen.err
@@ -30,6 +30,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -628,6 +629,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1257,6 +1259,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1488,6 +1491,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1731,6 +1735,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1848,6 +1853,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -1965,6 +1971,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2082,6 +2089,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2199,6 +2207,7 @@
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:GERAN-A:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:GERAN-A:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:GERAN-A:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated
@@ -2316,6 +2325,7 @@
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: Received Event MSC_A_EV_COMPLETE_LAYER_3_OK
 DMSC msc_a(IMSI-901700000010650:UTRAN-Iu:LU){MSC_A_ST_VALIDATE_L3}: state_chg to MSC_A_ST_AUTH_CIPH
 DREF VLR subscr IMSI-901700000010650 - _lu_fsm_associate_vsub: now used by 1 (active-conn)
+DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1_pre()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
 DVLR vlr_lu_fsm(IMSI-901700000010650:UTRAN-Iu:LU){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
 DVLR VLR_Authenticate(IMSI-901700000010650:UTRAN-Iu:LU){VLR_SUB_AS_NEEDS_AUTH}: Allocated

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Gerrit-Project: osmo-msc
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I88283cad23793b475445d814ff49db534cb41244
Gerrit-Change-Number: 13894
Gerrit-PatchSet: 5
Gerrit-Owner: osmith <osmith at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Vadim Yanitskiy <axilirator at gmail.com>
Gerrit-Reviewer: osmith <osmith at sysmocom.de>
Gerrit-CC: Pau Espin Pedrol <pespin at sysmocom.de>
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