IV90913: CRASH IN GC, VM, OR JIT COMPILED METHODS CONTAINING OBJECT ALLOCATION ON POWER PLATFORMS

APAR status

• Closed as program error.

Error description

• Error Message: Typical symptoms are segmentation faults in JIT
  compiled methods or in the GC or VM modules, although crashes
  may occur in other modules that execute Java code or access Java
  objects.
  .
  Stack Trace: N/A
  .
  

Local fix

• The problem can be worked around using the
  -Xjit:disableAllocationInlining option. Using this option may
  moderately reduce performance.
  

Problem summary

• JIT compiled methods that contain object allocations may be
  incorrectly compiled, causing a register to inadvertently be
  overwritten in certain cases, which can lead to crashes. This
  issue only affects POWER platforms.
  

Problem conclusion

• The JIT compiler has been fixed to avoid the problem by
  correctly preserving the contents the register in question.
  .
  This APAR will be fixed in the following Java Releases:
     7 R1 SR4       (7.1.4.0)
     6 R1 SR8 FP40  (6.1.8.40)
     7    SR10      (7.0.10.0)
     8    SR4       (8.0.4.0)
     6    SR16 FP40 (6.0.16.40)
  .
  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:

Fix information

• Fixed component name

  JIT

• Fixed component ID

  620700124

Applicable component levels

• R130 PSY

     UP

• R260 PSY

     UP

• R600 PSY

     UP