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Pau Espin Pedrol gerrit-no-reply at lists.osmocom.orgPau Espin Pedrol has submitted this change and it was merged. Change subject: esme: Fix race condition waiting for message response ...................................................................... esme: Fix race condition waiting for message response Sometimes in test esme_ms_sms_transaction.py we get the following error: esme_ms_sms_transaction.py:54: ERR: ValueError: list.remove(x): x not in list This appears due to a race condition because sms_send is used several times, which means we don't wait or sync until we receive the response before calling sms_send_wait_resp. That means when we wait for response of message with seqnum X, we may receive response from message seqnum X-1 which was initiated by sms_send and thus was not stored in the self.pdus_pending array. As it's not there, trying to remove it triggers an exception. Change-Id: Idf49f40eb46be1448b328a5c338ddbc4547148ff --- M src/osmo_gsm_tester/esme.py 1 file changed, 2 insertions(+), 1 deletion(-) Approvals: Pau Espin Pedrol: Looks good to me, approved Jenkins Builder: Verified diff --git a/src/osmo_gsm_tester/esme.py b/src/osmo_gsm_tester/esme.py index ff403c0..89eaa39 100644 --- a/src/osmo_gsm_tester/esme.py +++ b/src/osmo_gsm_tester/esme.py @@ -165,7 +165,8 @@ def _process_pdus_pending(self, pdu, **kwargs): self.dbg('message sent resp with seq', pdu.sequence, ', pdus_pending:', self.pdus_pending) - self.pdus_pending.remove(pdu.sequence) + if pdu.sequence in self.pdus_pending: + self.pdus_pending.remove(pdu.sequence) def sms_send_wait_resp(self, sms_obj, mode, receipt=False): old_func = self.client.message_sent_handler -- To view, visit https://gerrit.osmocom.org/3320 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: merged Gerrit-Change-Id: Idf49f40eb46be1448b328a5c338ddbc4547148ff Gerrit-PatchSet: 1 Gerrit-Project: osmo-gsm-tester Gerrit-Branch: master Gerrit-Owner: Pau Espin Pedrol <pespin at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: Pau Espin Pedrol <pespin at sysmocom.de>