RFR: 8268779: ZGC: runtime/InternalApi/ThreadCpuTimesDeadlock.java#id1 failed with "OutOfMemoryError: Java heap space"

Wed Nov 3 19:07:08 UTC 2021

On Wed, 3 Nov 2021 16:39:51 GMT, Per Liden <pliden at openjdk.org> wrote:

> Please review this fix for a ZGC shutdown/abort issue, introduced by JDK-8261759.
> 
> If a GC cycle has aborted, we should not notify that it completed and we should not check for out of memory condition. Doing so can cause pre-mature `OutOfMemoryError`.
> 
> Testing:
>  - Tier 1-7 with ZGC on Linux/x86_64.
>  - Wrote a small reproducer that provokes the problem fairly quickly. With this patch, I can no longer reproduced the issue.

Looks good.

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Marked as reviewed by eosterlund (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6236