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IV63261: TPROF DUMPS CORE ON DEMANGLE

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You can track all active APARs for this component.

 

APAR status

  • Closed as fixed if next.

Error description

  • Invocation of /usr/bin/tprof -Call -skeuz -r trace
    resulted in a core dump.
    The tprof crashes when it processes huge trace data. The
    crash happened in the C++ demangler code.
    
    
    (dbx) t
    Qualifier::Qualifier(Qualifier::Class**,unsigned
    long,bool,bool)() at 0x90000000088b428
    ValidQualifier(char*,unsigned
    long&,bool,ClassName::ObjectModelKind&,bool)() at
    0x90000000088dad4
    ValidQualifier(char*,unsigned long&,bool,bool)() at
    0x90000000088d89c
    BufferedDemangle(char*,char*&,unsigned long)() at
    0x90000000088a65c
    Demangle(char*,char*&,unsigned long)() at
    0x90000000088ecec
    DeMangle@AF23_1(??, ??, ??) at 0x90000000114b7bc
    ReportProfile(0x9001000a0449f70, 0x0, 0x2198de6b0) at
    0x100025dd0
    PrintReport(0x2198de6b0) at 0x100039108
    
    tprof is multi threaded program which invoke c++'s
    demangle function without serializing call to demangle.
    As the demangle library is not thread safe core dump
    occurred with above stack.
    

Local fix

Problem summary

  • sysroute apar
    

Problem conclusion

Temporary fix

Comments

  • This APAR is being closed FIN. This means that a solution to
    this APAR is expected to be delivered from IBM in a release
    (if any) to be available within the next 24 months.
    

APAR Information

  • APAR number

    IV63261

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED FIN

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-08-06

  • Closed date

    2015-11-05

  • Last modified date

    2015-11-05

  • APAR is sysrouted FROM one or more of the following:

    IV62981

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY

       UP

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Document Information

Modified date:
05 November 2015