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IV13404: SYSTEM CRASH IN E_CLEAR_WAIT(). APPLIES TO AIX 6100-07

A fix is available

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APAR status

  • Closed as program error.

Error description

  • System crash due to unpinned eventlist in e_clear_wait().
    
    (0)> f
    pvthread+000200 STACK:
    [00054514]e_clear_wait+0000F0 (0000000000000005,
    0000000000000000 [??])
    [0006417C]clock+0001AC (??)
    [000EB054]i_softmod+0002A8 ()
    [00177D30].finish_interrupt+000024 ()
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 6100-07 Technology Level with
    * bos.mp64 below the 6.1.7.19 level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * System crash due to unpinned eventlist in e_clear_wait().
    * The problem can occur when applications are using timed
    * ipc operations and the system is low on memory.
    * The crash will have a stack trace similar to:
    * (0)> f
    * pvthread+000200 STACK:
    *  00054514 e_clear_wait+0000F0 (0000000000000005,
    * 0000000000000000  ?? )
    *  0006417C clock+0001AC (??)
    *  000EB054 i_softmod+0002A8 ()
    *  00177D30 .finish_interrupt+000024 ()
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV13404.
    * Prior to fix availability, an interim fix is available from
    * ftp://public.dhe.ibm.com/aix/ifixes/iv13404/
    ****************************************************************
    

Problem conclusion

  • When we detect that we are issuing a timed operation on a
    semaphore or message queue, we pin the waitlist anchors, and
    then keep them pinned until the ipc object is deleted.
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

  • 6100-06 - use AIX APAR IZ94647
    6100-07 - use AIX APAR IV13404
    6100-08 - use AIX APAR IV14309
    7100-00 - use AIX APAR IV42334
    7100-01 - use AIX APAR IV27584
    7100-02 - use AIX APAR IV42324
    

APAR Information

  • APAR number

    IV13404

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Submitted date

    2012-01-18

  • Closed date

    2013-05-09

  • Last modified date

    2013-11-24

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U859173

       UP13/08/02 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
24 November 2013