#16100: T11627a fails sometimes on CI -------------------------------------+------------------------------------- Reporter: mpickering | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.6.3 Resolution: | Keywords: ci-breakage Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by RyanGlScott): `T949` also occasionally fails on CI with the same panic ([https://ghc- gitlab.s3.amazonaws.com/6b/86/6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b/2019_02_24/34877/53941/job.log ?response-content-type=text/plain%3B%20charset%3Dutf-8&response-content- disposition=inline&X-Amz-Expires=600&X-Amz-Date=20190224T124746Z&X-Amz- Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAI3NPPHETCY4XXTOA/20190224 /us-east-1/s3/aws4_request&X-Amz-SignedHeaders=host&X-Amz- Signature=0d3ff67589490a67b80abbc045c7de427519f6f05ce24bc2685f70fa41a258c2 example] from a `validate-x86_64-linux-deb9-llvm` configuration): {{{ Wrong exit code for T949(prof_hc_hb)(expected 0 , actual 134 ) Stderr ( T949 ): T949: internal error: LDV_recordDead: Failed to find counter for closure 0x4200105000 (GHC version 8.9.20190224 for x86_64_unknown_linux) Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug Aborted (core dumped) *** unexpected failure for T949(prof_hc_hb) <elided> Unexpected results from: TEST="T949" SUMMARY for test run started at Sun Feb 24 10:46:01 2019 UTC 0:24:09 spent to go through 6844 total tests, which gave rise to 26554 test cases, of which 19235 were skipped 42 had missing libraries 7137 expected passes 139 expected failures 0 caused framework failures 0 caused framework warnings 0 unexpected passes 1 unexpected failures 0 unexpected stat failures Unexpected failures: profiling/should_run/T949.run T949 [bad exit code] (prof_hc_hb) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16100#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler