Review Request (XS) 8030027: nsk/jvmti/scenarios/hotswap/HS101/hs101t006 Crashed the vm on Linux-amd64: SIGSEGV in JavaThread::last_java_vframe(RegisterMap*)+0xfa

[Staffan Larsen]

Looks good!

Thanks,
/Staffan

On 19 dec 2013, at 09:01, serguei.spitsyn at oracle.com wrote:

> Please, review the fix for:
>  https://bugs.openjdk.java.net/browse/JDK-8030027
> 
> 
> Open webrev:
> http://cr.openjdk.java.net/~sspitsyn/webrevs/2013/hotspot/8030027-JVMTI-HS101.1/
> 
> Summary:
>  The bug is that the JavaThread::last_java_vframe (called from the VMOp_GetCurrentLocation)
>  crashes on the target thread stack that is non-walkable because the thread is exiting.
>  The fix is to check a condition !_thread->is_exiting() in the VMOp_GetCurrentLocation.
>  The fix is for JDK 9.
> 
> Testing:
>  The originally failing test nsk/jvmti/scenarios/hotswap/HS101/hs101t006
>  In progress: nsk.jvmti, nsk.jdi, nsk.jdwp
> 
> 
> Thanks,
> Serguei
>