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Non-deterministic hs_try_putmvar003 failure on CI

Wrong exit code for hs_try_putmvar003(threaded1)(expected 0 , actual 139 )
*** unexpected failure for hs_try_putmvar003(threaded1)

A quick search suggests that 139 might mean a segfault (SIGSEGV).

This is a non-deterministic CI failure that happened to me at least two times (Feb 12 and Feb 24), and forced me to restart the build job to get a green build status. Both times it was the validate-x86_64-linux-fedora27 job, but on different runners (ghc-ci-gce-x86_64-1 and maurer.smart-cactus.org).

Note that another failure that seems to happen only on Fedora is #16350 – could it be a problem with the Fedora image?

Trac metadata
Trac field Value
Version 8.9
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Test Suite
Test case
Differential revisions
BlockedBy
Related
Blocking
CC RyanGlScott, bgamari, mpickering
Operating system
Architecture
Edited by Ben Gamari
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