APAR status
Closed as program error.
Error description
Error Message: Here is a typical one: Unhandled exception Type=Segmentation error vmState=0x00051cff J9Generic_Signal_Number=00000004 Signal_Number=0000000b Error_Value=00000000 Signal_Code=00000035 Handler1=000000080871F0A8 Handler2=000000080862D410 . Stack Trace: Usually many frames within the JIT DLL. Example: protectedIntrospectBacktraceSymbols+0xe6a22420 (0x0000000000000000) j9sig_protect+0xe6a092f8 (0x0000000000000000) j9introspect_backtrace_symbols+0xe6a22500 (0x0000000000000000) generateDiagnosticFiles+0xe6b52cb8 (0x0000000000000000) j9sig_protect+0xe6a092f8 (0x0000000000000000) structuredSignalHandler+0xe6b518d0 (0x0000000000000000) masterSynchSignalHandler+0xe6a0afe0 (0x0000000000000000) (0x0000000000000000) __zerros+0xe6ee65c8 (0x0000000000000000) CEEHDSP+0xe732d480 (0x0000000000000000) CEEOSIGJ+0xe70e4ca0 (0x0000000000000000) CELQHROD+0xe731a738 (0x0000000000000000) CEEOSIGG+0xe70eb5f0 (0x0000000000000000) CELQHROD+0xe731a738 (0x0000000000000000) TR_Compilation::decInlineDepth(bool)+0xe6558af8 (0x0000000000000000) TR_EstimateCodeSize::returnCleanup(int)+0xe5b2dea0 (0x0000000000000000) TR_EstimateCodeSize::estimateCodeSize(TR_CallTarget*,TR_CallStac k*,bool)+0xe5b347c0 (0x0000000000000000) TR_EstimateCodeSize::calculateCodeSize(TR_CallTarget*,TR_CallSta ck*,bool)+0xe5b354b8 (0x0000000000000000) (0x0000000000000000) TR_InlinerBase::getSymbolAndFindInlineTargets(TR_CallStack*,TR_C allSite*,bool)+0xe62c57b0 (0x0000000000000000) TR_InlineCall::inlineCall(TR_TreeTop*,TR_OpaqueClassBlock*,bool, TR_PrexArgInfo*)+0xe62c63e0 (0x0000000000000000) TR_ValuePropagation::doDelayedTransformations()+0xe617bfb8 (0x0000000000000000) TR_GlobalValuePropagation::perform()+0xe617d860 (0x0000000000000000) TR_OptimizerImpl::performOptimization(TR_OptimizerImpl::Optimiza tion*,int,int,int)+0xe63f0ed8 (0x0000000000000000) TR_OptimizerImpl::performOptimization(TR_OptimizerImpl::Optimiza tion*,int,int,int)+0xe63f0ed8 (0x0000000000000000) TR_OptimizerImpl::optimize()+0xe63f1648 (0x0000000000000000) TR_Compilation::performOptimizations()+0xe655ae28 (0x0000000000000000) TR_Compilation::compile()+0xe655cc08 (0x0000000000000000) TR_CompilationInfoPerThreadBase::compile(J9VMThread*,TR_Compilat ion*,TR_Options*,TR_Resolve...+0xe685ab90 (0x0000000000000000) TR_CompilationInfoPerThreadBase::wrappedCompile(J9PortLibrary*,C ompileParameters*)+0xe6860688 (0x0000000000000000) j9sig_protect+0xe6a092f8 (0x0000000000000000) TR_CompilationInfoPerThreadBase::compile(J9VMThread*,TR_MethodTo BeCompiled*,bool)+0xe6865b18 (0x0000000000000000) protectedCompilationThreadProc(J9PortLibrary*,TR_CompilationInfo PerThread*)+0xe6866fd0 (0x0000000000000000) j9sig_protect+0xe6a092f8 (0x0000000000000000) compilationThreadProc(void*)+0xe6869f90 (0x0000000000000000) thread_wrapper+0xe6a95ac0 (0x0000000000000000) .
Local fix
-Xjit:disableGLU
Problem summary
General Loop Unroller (GLU) made a bookkeeping error, leaving the JIT data structures in an unexpected state, which caused a subsequent optimization to crash.
Problem conclusion
This defect will be fixed in: 7.0.0 SR5 6.0.1 SR6 6.0.0 SR14 5.0.0 SR16 FP3 . General Loop Unroller was fixed to avoid this error.
Temporary fix
Comments
APAR Information
APAR number
IV43840
Reported component name
JIT
Reported component ID
620700124
Reported release
260
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2013-06-05
Closed date
2013-06-05
Last modified date
2013-06-09
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
R600 PSY
UP
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Document Information
Modified date:
09 June 2013