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@trylek trylek commented Apr 14, 2022

The change #65597 switching over JIT/Methodical tests to use merged wrappers has already
received extensive testing most of which works fine with the exception of r2r-extra runs. According
to my investigation it looks like the GCStress mode 0xF has a bug that got uncovered by the larger
merged test - in some cases the finalizer queue can end up in an infinite loop as the finalizations
keep adding more stuff on the finalizer queue. To prevent additional delays in merging in the
JIT/Methodical test merge I propose temporarily downgrading the GC stress level for these tests
to 0xC per Bruce's suggestion. I expect us to revert this change once the primary bug has been fixed.

Thanks

Tomas

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Issue Details

The change #65597 switching over JIT/Methodical tests to use merged wrappers has already
received extensive testing most of which works fine with the exception of r2r-extra runs. According
to my investigation it looks like the GCStress mode 0xF has a bug that got uncovered by the larger
merged test - in some cases the finalizer queue can end up in an infinite loop as the finalizations
keep adding more stuff on the finalizer queue. To prevent additional delays in merging in the
JIT/Methodical test merge I propose temporarily downgrading the GC stress level for these tests
to 0xC per Bruce's suggestion. I expect us to revert this change once the primary bug has been fixed.

Thanks

Tomas

Author: trylek
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area-Infrastructure-coreclr

Milestone: -

@trylek trylek merged commit 81339fc into dotnet:main Apr 15, 2022
@trylek trylek deleted the ReduceR2RGCStressLevel branch April 15, 2022 09:38
@ghost ghost locked as resolved and limited conversation to collaborators May 15, 2022
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3 participants