IJ18839: GPF EVENT RECEIVED

APAR status

• Closed as program error.

Error description

• Error Message: A dump event "gpf" is received.
  .
  Stack Trace: The gpf event can be raised from the VM interpreter
  or from garbage collector.  For example:
  
  
      #12 <signal handler called>
      #13 VM_BytecodeInterpreter::run(J9VMThread*) () at
  BytecodeInterpreter.hpp:5967
      #14 0x00007fda75c74000 in bytecodeLoop () at
  BytecodeInterpreter.cpp:109
      #15 0x00007fda75d34c32 in c_cInterpreter () at
  xcinterp.s:160
      #16 0x00007fda75ce6d10 in runCallInMethod () from
  ./opt/ibm/streams/java/jre/lib/amd64/compressedrefs/libj9vm29.so
      #17 0x00007fda75cfd7e9 in gpProtectedRunCallInMethod () at
  jnicsup.cpp:258
      #18 0x00007fda755e0d93 in omrsig_protect () from
  ./opt/ibm/streams/java/jre/lib/amd64/compressedrefs/libj9prt29.s
  o
      #19 0x00007fda75d3de7c in gpProtectAndRun () from
  ./opt/ibm/streams/java/jre/lib/amd64/compressedrefs/libj9vm29.so
      #20 0x00007fda75cff12f in gpCheckCallin () at
  jnicsup.cpp:441
      #21 0x00007fda75cfd1ba in callStaticVoidMethod () from
  ./opt/ibm/streams/java/jre/lib/amd64/compressedrefs/libj9vm29.so
      #22 0x00007fda779509cb in ?? ()
      #23 0x0000000000000000 in ?? ()
  .
  

Local fix

Problem summary

• The problem is caused when VM writes to static final fields,
  reporting the modification to the JIT can release the VM access
  while allowing the garbage collector to move objects.
  

Problem conclusion

• The JVM has been updated to prevent the crash from occurring by
  using indirect pointers to the Java stack slots for the object
  values to avoid the corruption.
  
  .
  This APAR will be fixed in the following Java Releases:
     8    SR5 FP41  (8.0.5.41)
  .
  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

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels

• R270 PSY

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