IBM Support

IV43917: JAVA JIT COMPILE TIME CRASH IN ADDGUARDFORVIRTUAL()

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APAR status

  • Closed as program error.

Error description

  • Error Message: Unhandled exception
    Type=Segmentation error vmState=0x00050aff
    J9Generic_Signal_Number=00000004 Signal_Number=0000000b
    Error_Value=00000000 Signal_Code=00000032
    Handler1=09001000A0957090 Handler2=09001000A094DBD0
    Module=/java/perffarm/sdks/pap6470sr5-20130215_01/sdk/jre/lib/pp
    c64/compressedrefs/libj9jit26.so
    Module_base_address=09000000037E4000
    The problem can only occur on java 7 SR4 and java 626 SR5.
    .
    Stack Trace: j> 04:33:34
    TR_InlinerBase::addGuardForVirtual+0x462 (inliner.cpp:3950,
    0x6B3502A2
    j> 04:33:34 TR_InlinerBase::inlineCallSite2+0x13d5
    (inliner.cpp:9104, 0x6B358CC5
    j> 04:33:34 TR_InlinerBase::inlineCallSite+0x586
    (inliner.cpp:8374, 0x6B34B846
    j> 04:33:34 TR_DumbInliner::analyzeCallSite+0x1c2
    (inliner.cpp:3224, 0x6B355FC2
    j> 04:33:34 TR_DumbInliner::inlineCallSites+0x100
    (inliner.cpp:3162, 0x6B34F660
    j> 04:33:34 TR_InlinerBase::inlineCallSite2+0x9d1
    (inliner.cpp:8675, 0x6B3582C1
    j> 04:33:34 TR_InlinerBase::inlineCallSite+0x586
    (inliner.cpp:8374, 0x6B34B846
    .
    NA
    

Local fix

  • -Xjit:disableInlining
    Note: The use of this workaround will have a major impact on the
    performance.
    

Problem summary

  • Inlining deep chains of methods caused the crash.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR5
    6.0.1 SR6
    .
    JIT was modified to fix the problem
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV43917

  • Reported component name

    JIT

  • Reported component ID

    620700124

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-06-07

  • Closed date

    2013-06-07

  • Last modified date

    2013-06-07

  • 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

  • R260 PSY

       UP

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Document Information

Modified date:
07 June 2013