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

Leonid Mesnik leonid.mesnik at oracle.com
Tue Oct 4 08:23:57 UTC 2016


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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