IV80730: CRASH IN JIT/INLINER (VMSTATE=0X00050AFF)

APAR status

• Closed as program error.

Error description

• Error Message: Crash in JIT/Inliner (vmState=0x00050aff)
  .
  Stack Trace: Unhandled exception
  Type=Segmentation error vmState=0x00050aff
  J9Generic_Signal_Number=00000004 Signal_Number=0000000b
  Error_Value=00000000 Signal_Code=00000001
  Handler1=00007FB85E5CEE90 Handler2=00007FB85DF136E0
  InaccessibleAddress=0000000000000428
  RDI=00000000024F2C00 RSI=0000000000000000 RAX=0000000000000420
  RBX=0000000099669952
  RCX=0000000000000001 RDX=0000000000000000 R8=00007FB72BE234A8
  R9=0000000000000000
  R10=000000312BD2A1C0 R11=000000000000002A R12=00000000024F2C00
  R13=0000000099669966
  R14=00007FB85D101690 R15=0000000000000001
  RIP=00007FB85CCB8680 GS=0000 FS=0000 RSP=00007FB84D04A9E0
  EFlags=0000000000210246 CS=0033 RBP=00007FB85D101690
  ERR=0000000000000004
  TRAPNO=000000000000000E OLDMASK=0000000000000000
  CR2=0000000000000428
  xmm0 00000000bc9f5440 (f: 3164558336.000000, d: 1.563500e-314)
  xmm1 000000003f216bc4 (f: 1059154880.000000, d: 5.232920e-315)
  xmm2 2f6d62692f6d6f63 (f: 795701120.000000, d: 3.097763e-80)
  xmm3 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  xmm4 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  xmm5 5b5b5b5b5b5b5b5b (f: 1532713856.000000, d: 1.213625e+132)
  xmm6 2020202020202020 (f: 538976256.000000, d: 6.013470e-154)
  xmm7 0000000000200000 (f: 2097152.000000, d: 1.036131e-317)
  xmm8 0000000000ff0000 (f: 16711680.000000, d: 8.256667e-317)
  xmm9 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  xmm10 ff000000000000ff (f: 255.000000, d: -5.486124e+303)
  xmm11 3d72607bffbe6544 (f: 4290667776.000000, d: 1.044605e-12)
  xmm12 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  xmm13 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  xmm14 402a56ef8ec92280 (f: 2395546112.000000, d: 1.316980e+01)
  xmm15 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  Module=/home/robbins/sdks/ibmjava8sr2/sdk/jre/lib/amd64/compress
  edrefs/libj9jit28.so
  Module_base_address=00007FB85C3C5000
  Method_being_compiled=scala/collection/AbstractTraversable.mkStr
  ing(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava
  /lang/String;
  .
  

Local fix

• When J9 compiler crashes at a compilation time it prints out the
  method name to stderr (see the stacktrace example above). Please
  add the following to your java command line
  '-Xjit:{<insert_full_method_name_here>}(disableProfiledInlining)
  ' to disable profiled inlining for that particular method. If
  this doesn't work you could alternatively try using
  '-Xjit:disableProfiledInlining' or even '-Xjit:disableInlining'
  Even though the latter might affect performance significantly.
  

Problem summary

• Inliner was missing a sanity check to make sure that profiling
  information is valid for a particular callsite.
  

Problem conclusion

• The check was added to Inliner to prevent the crash.
  .
  This APAR will be fixed in the following Java Releases:
     8    SR2 FP10  (8.0.2.10)
  .
  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

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