APAR status
Closed as program error.
Error description
Error Message: A SIGSEGV/ABEND is received during the JIT compilation of a method (e.g. java/lang/Class.newInstancePrototype). This issue affects both Java 5 and Java 6, but only on z/OS or z/Linux. . Stack Trace: genInitObjectHeader TR_S390TreeEvaluator::VMnewEvaluator TR_S390TreeEvaluator::newObjectEvaluator TR_CodeGenerator::evaluate TR_S390TreeEvaluator::treetopEvaluator TR_CodeGenerator::evaluate TR_CodeGenerator::doInstructionSelection TR_CodeGenerator::generateCodePhase1 TR_CodeGenerator::generateCode TR_Compilation::compile TR_CompilationInfo::compile TR_CompilationInfo::wrappedCompile .
Local fix
This issue can be worked around by using the -Xjit:disableAllocationInlining option, which may incur a slight performance degradation in some applications.
Problem summary
The problem is caused by a rare case in the JIT while inlining object allocations.
Problem conclusion
This defect will be fixed in: 6.0.0 SR8 5.0.0 SR12 . More conservative checks are added in place to prevent the failing scenario. . To obtain the fix: Install build 20100217 or later
Temporary fix
Comments
APAR Information
APAR number
IZ80937
Reported component name
JIT
Reported component ID
620700124
Reported release
600
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2010-07-26
Closed date
2010-07-26
Last modified date
2010-07-27
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:
27 July 2010