RFR(S): 8200078: [Graal] runtime/appcds/GraalWithLimitedMetaspace.java crashes in visit_all_interfaces

mikhailo mikhailo.seledtsov at oracle.com
Thu Mar 29 20:27:29 UTC 2018

The test portion looks good to me.

I have one question - are you able to reliably reproduce this issue 
using GraalWithLimitedMetaspace.java or MaxMetaspaceSize.java ?

Thank you,


On 03/29/2018 10:49 AM, Calvin Cheung wrote:
> bug: https://bugs.openjdk.java.net/browse/JDK-8200078
> webrev: http://cr.openjdk.java.net/~ccheung/8200078/webrev.00/
> During CDS dumping, when a class fails to load due to OOM 
> (insufficient metaspace), GC tries to free the class which will in 
> turn frees its _transitive_interfaces. But if the 
> _transitive_interfaces is being shared with another class which has 
> been loaded successfully, it will result in vm crash.
> The change is to stop CDS dumping right away when an OOM due to 
> insufficient metaspace is encountered.
> Testing:
>     hs-tier1 through hs-tiers on Oracle supported platforms.
> thanks,
> Calvin

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