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daniel gerrit-no-reply at lists.osmocom.orgdaniel has uploaded this change for review. ( https://gerrit.osmocom.org/10161 Change subject: bsc: stop all components before terminating testcase ...................................................................... bsc: stop all components before terminating testcase It seems mtc.stop() alone does not really solve the race conditions when shutting down components. The error happens when messages are sent on ports which are no longer connected since the receiving component has terminated. Some web search http://www.ttcn-3.org/TTCN3UCAsia2007/Presentations/TTCN3%20UC%202007%20Concurrent%20TTCN.pdf suggested that one should stop all components before calling mtc.stop (slide 38). Slide 33 also mentions the difference between .stop and .kill. Kill removes the port connections while stop does not. And I think looking at the logs when the testcase teminates (through mtc.stop or otherwise) it is internally calling kill on all the components. So hopefully stopping all components and then stopping the mtc will fix this nasty issue. I verified locally that the situation improves between commits now when running BSC_Tests.TC_paging_imsi_nochan_all 20 times in a loop and otherwise generating load on the system. It reliably failed before this patch and I wasn't able to get it to fail with it. Change-Id: I398883492919ceabcf94b5cc2361c63ec772d9d5 --- M bsc/BSC_Tests.ttcn 1 file changed, 1 insertion(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/61/10161/1 diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn index 9412251..c802a6b 100644 --- a/bsc/BSC_Tests.ttcn +++ b/bsc/BSC_Tests.ttcn @@ -114,6 +114,7 @@ } private function f_shutdown_helper() runs on test_CT { + all component.stop; setverdict(pass); mtc.stop; } -- To view, visit https://gerrit.osmocom.org/10161 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-ttcn3-hacks Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I398883492919ceabcf94b5cc2361c63ec772d9d5 Gerrit-Change-Number: 10161 Gerrit-PatchSet: 1 Gerrit-Owner: daniel <dwillmann at sysmocom.de> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20180725/f83cc1c9/attachment.htm>