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Showing content from https://github.com/commercialhaskell/stack/issues/5024 below:

Non-deterministic test suite execution failures · Issue #5024 · commercialhaskell/stack · GitHub

stack test seems to non-deterministically fail when executing a test suite for a multi-project repository with parallelism enabled (e.g. stack build -j8 --test) with the following errors:

/tmp/stack-7235c340cf08101f/test-ghc-env: openBinaryFile: resource busy (file is locked)

/tmp/stack-7235c340cf08101f/test-ghc-env: openBinaryFile: resource busy (file is locked)

/tmp/stack-7235c340cf08101f/test-ghc-env: openBinaryFile: resource busy (file is locked)

/tmp/stack-7235c340cf08101f/test-ghc-env: openBinaryFile: resource busy (file is locked)

/tmp/stack-7235c340cf08101f/test-ghc-env: openBinaryFile: resource busy (file is locked)

/tmp/stack-7235c340cf08101f/test-ghc-env: openBinaryFile: resource busy (file is locked)

I haven't been able to pin down a reliable reproduction, however if I were to guess I'd say it's got something to do with the testGhcEnvRelFile, possible either colliding with an existing on in this call:

...or bubbling up from Cabal or ghc somehow?

Unable to reliably reproduce.

stack build -j8 --test should successfully execute all tests in a multi-project repository.

stack build -j8 --test fails non-deterministically with an error message about busy resources (locked files).

$ stack --version
Version 2.1.3, Git revision 0fa51b9925decd937e4a993ad90cb686f88fa282 (7739 commits) x86_64 hpack-0.31.2

• Compiled from source via cabal-install
• Official binary

RikvanToor, ulidtko, ludat, vmchale, kfigiela and 1 more

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