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fixeria gerrit-no-reply at lists.osmocom.orgfixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/26322 ) Change subject: BSC_Tests: fix a race condition in TC_fh_params_handover_cmd ...................................................................... BSC_Tests: fix a race condition in TC_fh_params_handover_cmd As can be seen from ttcn3-bsc-test run #1565 on Jenkins [1], it may happen that the VTY command requesting handover reaches the IUT earlier than the SCCP 'SACK CC' message. In this case, the 'SUBSCR_CONN' FSM remains in state 'WAIT_CC', so we get an error: (bts=0,trx=0,ts=0,ss=0) (ARFCN 871) --> BTS 1 Manually triggering Handover from VTY SUBSCR_CONN(msc0-conn204)[0x5633b2877af0]{WAIT_CC}: Received Event HANDOVER_START SUBSCR_CONN(msc0-conn204)[0x5633b2877af0]{WAIT_CC}: Event HANDOVER_START not permitted The easiest way to avoid this is to introduce and artificial delay after the connection establishment and before triggering the handover. [1] https://jenkins.osmocom.org/jenkins/view/TTCN3/job/ttcn3-bsc-test/1565/ Change-Id: I19f7ca942e22d7930a56d1a525414f137a9ef831 --- M bsc/BSC_Tests.ttcn 1 file changed, 1 insertion(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/22/26322/1 diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn index 4fdd059..dda1dcd 100644 --- a/bsc/BSC_Tests.ttcn +++ b/bsc/BSC_Tests.ttcn @@ -8888,6 +8888,7 @@ /* Establish a dedicated channel, so we can trigger handover */ dt := f_est_dchan(f_rnd_ra_cs(), 23, f_rnd_octstring(16)); + f_sleep(0.5); /* Trigger handover from BTS0 to BTS1 */ f_bts_0_cfg(BSCVTY, { "neighbor bts 1" }); -- To view, visit https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/26322 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-Change-Id: I19f7ca942e22d7930a56d1a525414f137a9ef831 Gerrit-Change-Number: 26322 Gerrit-PatchSet: 1 Gerrit-Owner: fixeria <vyanitskiy at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20211118/388b7859/attachment.htm>