Unrecognized VM option '-UseRicochetFrames'

Stephen Bannasch stephen.bannasch at deanbrook.org
Thu May 12 07:39:39 PDT 2011


At 4:07 PM +0200 5/12/11, Christian Thalinger wrote:
>On May 12, 2011, at 3:51 PM, Stephen Bannasch wrote:
>> I'm getting some failures running the jtreg tests and wondered whether I needed to enable or disable Ricochet Frames in theJVM
>> but that option is unrecognized.
>>
>>   $ build/bsd-amd64/j2sdk-image/bin/java -XX:-UseRicochetFrame -versionUnrecognized VM option '-UseRicochetFrame'
>>   Error: Could not create the Java Virtual Machine.
>>   Error: A fatal exception has occurred. Program will exit.
>
>It's called UseRicochetFrames (plural) and it's a diagnostic option.  So with a product build you have to use +UnlockDiagnosticVMOptions.


$ build/bsd-amd64/j2sdk-image/bin/java -XX:+UnlockDiagnosticVMOptions -XX:-UseRicochetFrames -version
Unrecognized VM option '-UseRicochetFrames'
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.

> >
>> Running jtreg tests on java/lang/invoke/6998541/Test6998541.java without -UseRicochetFrames generates a segfault:
>
>Hmm, that's odd.  It did work for me on 32-bit x86.  Can you try that?

I've only been building the 64-bit version:

$ build/bsd-amd64/j2sdk-image/bin/java -d32 -version
Error: This Java instance does not support a 32-bit JVM.
Please install the desired version.



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