PM04243: ASSERTION IN CONTROL FLOW OPTIMIZATION OF CHA

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: Assertion failed:
    Is_rare_path_bbattr(prev_cand_cha_slow) file
    /p5aixworkarea/ashu/caix64142-20080923/src/jit/sov/opt/cha_opt.c
    , line 993
    .
    Stack Trace: N/A
    .
    N/A
    

Local fix

  • export JITC_COMPILEOPT="NCHAOPT"
    

Problem summary

  • With normal build, crash is experienced in JIT compiler.
    With PD build, assertion failure occurs at:
    assert(Is_rare_path_bbattr(prev_cand_cha_slow)) at line 993 in
    "cha_opt.c".
    

Problem conclusion

  • This defect will be fixed in:
    1.4.2 SR13 FP5
    .
    Bug has been fixed to accommodate the bytecode/quadruple pattern
    which causes assertion failure in CHA optimization.
    .
    To obtain the fix:
    Install build 20100203 or later
    

Temporary fix

  • export JITC_COMPILEOPT=NCHAOPT
    

Comments

APAR Information

  • APAR number

    PM04243

  • Reported component name

    JAVA(1.3/1.4 CO

  • Reported component ID

    5648C9800

  • Reported release

    42A

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-12-31

  • Closed date

    2010-02-22

  • Last modified date

    2010-06-20

  • 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

    JAVA(1.3/1.4 CO

  • Fixed component ID

    5648C9800

Applicable component levels

  • R42A PSN

       UP

  • R42L PSN

       UP

  • R42W PSN

       UP

  • R420 PSN

       UP



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Document information


More support for:

z/OS family

Software version:

1.4.2

Reference #:

PM04243

Modified date:

2010-06-20

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