APAR status
Closed as program error.
Error description
Error Message: Error message as reported by customer is a GPF when JNI/libj9jvm24.so attempt to write to inaccessible memory address. . Stack Trace: N/A .
Local fix
The workaround for this issue is to run with -Xjit:disableVirtualGuardNOPing. Running with this option is expected to incur a performance degradation of 5-10%.
Problem summary
The JIT would generate incorrect linkage code in some cases when invoking a virtual JNI method.
Problem conclusion
This defect will be fixed in: 6.0.0 SR8 FP1 . The JIT has be modified to correctly call virtual JNI methods. . To obtain the fix: Install build 20100608 or later
Temporary fix
Comments
APAR Information
APAR number
IZ76406
Reported component name
JIT
Reported component ID
620700124
Reported release
600
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2010-05-27
Closed date
2010-06-08
Last modified date
2010-07-08
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
JIT
Fixed component ID
620700124
Applicable component levels
R600 PSN
UP
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Document Information
Modified date:
08 July 2010