8066803: compiler/intrinsics/mathexact/SubExactINonConstantTest.java crashed in os::is_first_C_frame(frame*)

[Coleen Phillimore]

Thanks!!
Coleen

On 12/12/14, 1:03 PM, Christian Tornqvist wrote:
> This looks good, thanks for fixing this.
>
> Thanks,
> Christian
>
> -----Original Message-----
> From: hotspot-runtime-dev
> [mailto:hotspot-runtime-dev-bounces at openjdk.java.net] On Behalf Of Coleen
> Phillimore
> Sent: Friday, December 12, 2014 8:34 AM
> To: hotspot-runtime-dev
> Subject: RFR: 8066803:
> compiler/intrinsics/mathexact/SubExactINonConstantTest.java crashed in
> os::is_first_C_frame(frame*)
>
> Summary: Stop native stack walk when we get to compiled or stub frame.
>
> Coming from deoptimization, we hit a compiled frame (or deopt stub
> actually) in native memory tracking stack walking.  This code doesn't have
> the link pointer set up to match the native abi, so this crashes
> (sometimes).
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8066803/
> bug link https://bugs.openjdk.java.net/browse/JDK-8066803
>
> Ran test in the bug report 700 times (crashed within 8) with the fix.
> Also ran NMT tests.
>
> Thanks,
> Coleen
>