IV01680: SVT:ORB:BAL:MANY ORB RUNS ARE CRASHING IN TAROK MODES WITH CFW

APAR status

• Closed as program error.

Error description

• Error Message: PROBLEM DESCRIPTION:
  =======================
   The following orb runs are crashing in Tarok modes with CFW
  transport mode
  
   >orb.interop70
   >orb.RemoteMarshalling
   >orb.orbstress70
  
  Errors & Exceptions:
  ====================
  Unhandled exception
  Type=Segmentation error vmState=0x00000000
  J9Generic_Signal_Number=00000004 Signal_Number=0000000b
  Error_Value=00000084 Signal_Code=00000001
  Handler1=0000020000CFA4DC Handler2=0000020000DC28B4
  InaccessibleAddress=0000000032363000
  gpr0=000000000000001A gpr1=00000000202C1000
  gpr2=0000000000000044 gpr3=0000000032363336
  gpr4=0000000000000000 gpr5=000000002035D7D0
  gpr6=0000020000D08E4E gpr7=0000020000D8C538
  gpr8=00000000808F0F5F gpr9=00000000202FBC98
  gpr10=000000002035D7F8 gpr11=00000000202FBC98
  gpr12=0000020000D87550 gpr13=0000000020266100
  gpr14=0000020000D0ED96 gpr15=0000020004596478
  psw=0000020000D0EE26 mask=0705E00180000000 fpc=0008000000000000
  fpr0 4140000000000000 (f: 0.000000, d: 2.097152e+06)
  fpr1 3f40000000000000 (f: 0.000000, d: 4.882812e-04)
  fpr2 3f40000000000000 (f: 0.000000, d: 4.882812e-04)
  fpr3 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr4 4000cccccccccccd (f: 3435973888.000000, d: 2.100000e+00)
  fpr5 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr6 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr7 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr8 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr9 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr10 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr11 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr12 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr13 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr14 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  fpr15 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  Module=/javatest/jsvtaxxon_installed_builds/pxz6470/ibm-java-s39
  0x-70/jre/lib/s390x/balancedcr/libj9vm26.so
  Module_base_address=0000020000CDE000
  Target=2_60_20110227_076641 (Linux 2.6.32.12-0.6-default)
  CPU=s390x (2 logical CPUs) (0xfb0a0000 RAM)
  ----------- Stack Backtrace -----------
  (0x0000020000D0EE26 <OSB>libj9vm26.so+0x30e26<CSB>)
  ---------------------------------------
  .
  Stack Trace: ----------- Stack Backtrace -----------
  (0x0000020000D0EE26 <OSB>libj9vm26.so+0x30e26<CSB>)
  ---------------------------------------
  .
  

Local fix

Problem summary

• The problem is caused when Unsafe.copyMemory() is used to copy
  arrays.
  

Problem conclusion

• This defect will be fixed in:
  6.0.1 GA FP1
  .
  Fixed internal implementation of
  sun.misc.unsafe.copyMemory(Object,long,Object,long,long).
  .
  To obtain the fix:
  Install build 20110312 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

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels

• R260 PSY

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