[RFR] 8016752: Test case for 8005857/8016740 (assert in GC_locker from PSOldGen::expand with -XX:+PrintGCDetails and Verbose)

Thomas Schatzl thomas.schatzl at oracle.com
Tue Nov 4 09:55:01 UTC 2014


Hi Andrey,

On Wed, 2014-10-22 at 12:29 +0400, Andrey Zakharov wrote:
> Hi, team.
> Here is simple test for JVM don't crash when its with PSOldGen, low 
> memory and with -XX:+PrintGCDetails and -XX:+Verbose flags 
> (https://bugs.openjdk.java.net/browse/JDK-8016740) based on Crasher 
> attached to original incident bug
> 
> webrev:
> http://cr.openjdk.java.net/~azakharov/8016752/webrev/

The test looks okay, but did you check that if you revert JDK-8016740,
the test actually fails?
The original reproducer was stressing the GC a lot more as it tried to
cause crashes for 60 seconds.

If that is the case, it looks okay to me.

Thanks,
  Thomas




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