IV10237: GPF RECEIVED WHILE THE JIT IS COMPILING A METHOD.

APAR status

• Closed as program error.

Error description

• Error Message: A GPF is received while the JIT is compiling a
  method.
  .
  Stack Trace: TR_MCCCodeCache::findTrampoline
  TR_MCCManager::findMethodTrampoline
  TR_J9VM::methodTrampolineLookup
  TR_X86ImmSymInstruction::generateBinaryEncoding
  TR_X86CodeGenerator::doCodeGeneration
  TR_CodeGenerator::generateCode
  TR_Compilation::generateCode
  TR_Compilation::compile
  TR_CompilationInfo::compile
  TR_CompilationInfo::wrappedCompile
  .
  

Local fix

Problem summary

• A a request to allocate addition space for an internal JIT data
  structure incorrectly registered the location of the request. As
  a result, a NULL pointer was returned when attempting to
  retrieve the data structure.
  

Problem conclusion

• This defect will be fixed in:
  6.0.0 SR10
  6.0.1 SR1
  .
  The JIT was changed to properly register the site requesting the
  allocation.
  .
  To obtain the fix:
  Install build 20110628 or later
  

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:

Fix information

• Fixed component name

  JIT

• Fixed component ID

  620700124

Applicable component levels

• R600 PSY

     UP

• R260 PSY

     UP