RFR (trivial): 8248906: runtime/Thread/ThreadObjAccessAtExit.java fails due to OutOfMemoryErrors

[Doerr, Martin]

Hi David,

I'm fine with this fix. Looks good and trivial.

Best regards,
Martin


> -----Original Message-----
> From: hotspot-runtime-dev <hotspot-runtime-dev-retn at openjdk.java.net>
> On Behalf Of David Holmes
> Sent: Dienstag, 4. August 2020 06:45
> To: hotspot-runtime-dev at openjdk.java.net
> Subject: RFR (trivial): 8248906: runtime/Thread/ThreadObjAccessAtExit.java
> fails due to OutOfMemoryErrors
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8248906
> webrev: http://cr.openjdk.java.net/~dholmes/8248906/webrev/
> 
> This rare OOME with ZGC doesn't reproduce readily and has not reappeared
> in the mainline CI. However it has failed twice in Panama testing for
> the same reasons. A personal test job also showed that ZGC plus JFR
> fails in a more extreme way (VM initialization failure) and that failure
> is completely reproducible. Bumping the minimum heap to 11M fixed that
> issue so that is what I will commit for this fix.
> 
> Testing via tiers 1-3 plus manual on Linux.
> 
> Thanks,
> David