RFR(XS): 8155570: serviceability/tmtools/jstat/GcTest02.java fails with parallel GC

Dmitry Fazunenko dmitry.fazunenko at oracle.com
Tue Oct 4 13:36:44 UTC 2016

Hi Leonid,

The fix looks good to me.


On 04.10.2016 11:23, Leonid Mesnik wrote:
> Hi
> Could you please review following fix:
> Webrev: http://cr.openjdk.java.net/~lmesnik/8155570/webrev.00/ 
> <http://cr.openjdk.java.net/%7Elmesnik/8155570/webrev.00/>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8155570
> Test filled java heap up to 70% and then failed with OOME in the java 
> heap while filling metaspace. I updated test to fill metaspace first 
> and then to fill heap.  Also I added more info about unexpected OOME.
> I verified locally that OOME doesn't happen now on my local host with 
> all GC. Unfortunately I haven't run it yet in the lab because of infra 
> outage. Also test still might fail because of jcmd/jstat crash caused by
> <https://bugs.openjdk.java.net/browse/JDK-8166364>
> JDK-8166364 <https://bugs.openjdk.java.net/browse/JDK-8166364> fatal 
> error: acquiring lock DirtyCardQ_CBL_mon/16 out of order with lock 
> Module_lock/6 -- possible deadlock
> Leonid

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