APAR status
Closed as program error.
Error description
Error Message: Unhandled exception Type=Segmentation error vmState=0x0005ff08 . Stack Trace: TR_S390Machine::assignBestRegisterPair() TR_S390Machine::assignBestRegister() TR_S390RegisterDependencyGroup::assignRegisters() TR_S390Instruction::assignRegistersAndDependencies() TR_S390Instruction::assignRegisters() TR_S390CodeGenerator::doRegisterAssignment() RegisterAssigningPhase_Impl::perform() TR_CodeGenerator::generateCode() TR_Compilation::compile() .
Local fix
-Xjit:{sun/reflect/GeneratedMethodAccessor7.invoke()}(disableLoo pVersioner)
Problem summary
Loops with long induction variables can, in some circumstances, be mishandled by the optimizer leading to incorrect program transformations being applied resulting in a JIT crash.
Problem conclusion
The optimizer was enhanced to properly handle loops with long induction variables so only valid program transformation are applied. . This APAR will be fixed in the following Java Releases: 8 SR2 (8.0.2.0) . Contact your IBM Product's Service Team for these Service Refreshes and Fix Packs. For those running stand-alone, information about the available Service Refreshes and Fix Packs can be found at: https://www.ibm.com/developerworks/java/jdk/
Temporary fix
Comments
APAR Information
APAR number
IV80517
Reported component name
JIT
Reported component ID
620700124
Reported release
130
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-01-18
Closed date
2016-01-18
Last modified date
2016-01-18
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
R130 PSY
UP
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSC9HBA","label":"Just In Time (JIT) Compiler"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"130","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
18 January 2016