APAR status
Closed as program error.
Error description
Error Message: A segmentation fault is raised in libj9jit26.so; the reported VM state is vmState=0x0005ff0c. This problem only occurs on a zEC12 with -Xaggressive enabled. . Stack Trace: #11 in generateS390LabelInstruction(TR_CodeGenerator*, TR_S390OpCodes, TR_Node*, TR_LabelSymbol*, TR_Instruction*) #12 in TR_S390PrivateLinkage::createEpilogue(TR_Instruction*) #13 in TR_S390CodeGenerator::doCodeGeneration() #14 in TR_CodeGenerator::generateCode() #15 in TR_Compilation::generateCode() #16 in TR_Compilation::compile() .
Local fix
Removing the -Xaggressive option works around the problem.
Problem summary
The crash is caused by a timing issue with branch preload optimization in the JIT compiler.
Problem conclusion
This defect will be fixed in: 7.0.0 SR5 . The JIT compiler has been updated with the fix to branch preload optimization.
Temporary fix
Comments
APAR Information
APAR number
IV44117
Reported component name
JIT
Reported component ID
620700124
Reported release
260
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2013-06-11
Closed date
2013-06-11
Last modified date
2013-06-11
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
R260 PSY
UP
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Document Information
Modified date:
11 June 2013