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IZ67430: SEGMENTATION FAULT PROBLEM AT -O2

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • The application compiled and linked with -O (-O2) is crashing,
    it works OK with noopt.
    

Local fix

  • N/A
    

Problem summary

  • With optimization, a segmentation Violation in the first call
    after returning from a function that used floating point and
    called a shared library function also using floating point.
    

Problem conclusion

  • Use -qxflag=no_restfn if affected by the problem.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ67430

  • Reported component name

    XL C++ AIX

  • Reported component ID

    5724U8100

  • Reported release

    A10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-12-31

  • Closed date

    2010-02-24

  • Last modified date

    2010-03-03

Fix information

  • Fixed component name

    XL C AIX

  • Fixed component ID

    5724U8000

Applicable component levels

[{"Line of Business":{"code":"LOB08","label":"Cognitive Systems"},"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSJT9L","label":"XL C\/C++"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"A.1"}]

Document Information

Modified date:
06 October 2021