RFR: 8340389: vmTestbase/gc/gctests/PhantomReference/phantom001/TestDescription.java Test exit code: 97 with -Xcomp UseAVX=3

[Aleksey Shipilev]

On Wed, 16 Oct 2024 14:18:24 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this fix to the phantom001 test to do much less garbage collections that inhibit passing the test.
> 
> Testing: gha, running the test with and without the change for 500 times with the problematic options - fails 379 times without the change, passes all runs with the change.
> 
> Thanks,
>    Thomas

There is a comment a few lines above:


// There are scenarios where one WB.fillGC() isn't enough,
// but 10 iterations really ought to be sufficient.


Do you know what that is about?

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PR Review: https://git.openjdk.org/jdk/pull/21538#pullrequestreview-2372738944