RFR (XS) 8237080: fatal error: VM thread could block on lock that may be held by a JavaThread during safepoint: SharedDecoder_lock

David Holmes david.holmes at oracle.com
Wed Jan 29 23:21:45 UTC 2020



On 29/01/2020 7:36 am, coleen.phillimore at oracle.com wrote:
> Summary: Set allow_vm_block to true for this lock.  It's 
> _safepoint_check_never so it's sort of implied (you can't safepoint 
> holding the lock and block out the vm thread).
> open webrev at http://cr.openjdk.java.net/~coleenp/2020/8237080.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8237080
> Ran test case with hard-coded failure, and tier1-6.
> Thanks,
> Coleen

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