IJ09089: CRASH DURING COMPILATION IN USEREGISTER ON X86-32

APAR status

• Closed as program error.

Error description

• Error Message: Segmentation error with vmState=0x0005ff06
  .
  Stack Trace: OMR::Instruction::useRegister(TR::Register*) ()
  TR::X86RegMemInstruction::X86RegMemInstruction(TR::Instruction*,
  TR_X86OpCodes, TR::Register*, TR::MemoryReference*,
  TR::CodeGenerator*) ()
  OMR::X86::Machine::freeBestGPRegister(TR::Instruction*,
  TR::Register*, TR_RegisterSizes, OMR::RealRegister::RegNum,
  bool) ()
  OMR::X86::Machine::coerceGPRegisterAssignment(TR::Instruction*,
  TR::Register*, TR_RegisterSizes) ()
  TR_X86RegisterDependencyGroup::assignRegisters(TR::Instruction*,
  TR_RegisterKinds, TR_X86RegisterDependencyIndex,
  TR::CodeGenerator*) ()
  TR::X86LabelInstruction::assignRegisters(TR_RegisterKinds) ()
  .
  

Local fix

• This issue can be worked around using the
  -Xjit:disableDirectToJNI option.
  

Problem summary

• The problem is caused when compiling a method that directly
  calling JNI native method.
  

Problem conclusion

• The JIT has been updated to prevent the crash when compiling
  methods that directly calling JNI native method.
  .
  This APAR will be fixed in the following Java Releases:
   8 SR5 FP22 (8.0.5.22)
  .
  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 is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

• Fixed component name

  JIT

• Fixed component ID

  620700124

Applicable component levels