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IV11708: HANG IN _EVENT_NOTIFY(). APPLIES TO AIX 7100-00

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Process hang with the following stack.
    
    (ip)=090000000018BA24  at  libpthreads.a(shr_xpg5_64.o)
    ._event_notify_locked_32_23 + 0050
        unframing old_sp=0000000120D86258
    (new_sp=0000000120D862F8
    new_ip=090000000018B11C)
    (ip)=090000000018B11C  at  libpthreads.a(shr_xpg5_64.o)
    ._event_notify
    + 005C
        unframing old_sp=0000000120D862F8
    (new_sp=0000000120D86388
    new_ip=0900000000197B58)
    (ip)=0900000000197B58  at  libpthreads.a(shr_xpg5_64.o)
    ._cond_broadcast + 00F4
        unframing old_sp=0000000120D86388
    (new_sp=0000000120D86428
    new_ip=0900000000198254)
    (ip)=0900000000198254  at  libpthreads.a(shr_xpg5_64.o)
    .pthread_cond_signal + 0134
        unframing old_sp=0000000120D86428
    (new_sp=0000000120D864B8
    new_ip=090000000340DF74)
    (ip)=090000000340DF74  at  libhpi.a  .sysMonitorNotify +
    003C
        unframing old_sp=0000000120D864B8
    (new_sp=0000000120D86538
    new_ip=0900000003288720)
    (ip)=0900000003288720  at  libjvm.a  .lkMonitorNotify +
    02BC
        unframing old_sp=0000000120D86538
    (new_sp=0000000120D865F8
    new_ip=0900000003203E8C)
    (ip)=0900000003203E8C  at  libjvm.a  .JVM_MonitorNotify +
    0098
        unframing old_sp=0000000120D865F8
    (new_sp=0000000120D86688
    new_ip=09000000031A3F58)
    (ip)=09000000031A3F58  at  libjvm.a  .JVM_MonitorNotify +
    0020
        unframing old_sp=0000000120D86688
    (new_sp=0000000120D866F8
    new_ip=000000011F1F0C64)
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7100-00 Technology level with the
    * bos.rte.libpthreads at the 7.1.0.15 level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * Multi-threaded Applications might hang in _event_notify().
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV11708.
    * Prior to APAR availability, an interim fix is available at:
    * ftp://public.dhe.ibm.com/aix/efixes/iv11708/
    ****************************************************************
    

Problem conclusion

  • Appropriate lock has been taken to avoid the hang situation.
    

Temporary fix

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

Comments

APAR Information

  • APAR number

    IV11708

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Submitted date

    2011-12-05

  • Closed date

    2011-12-05

  • Last modified date

    2013-02-27

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

    IV07564

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

    U851517

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U851517

       12/04/02 I 1000 ½

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Document Information

Modified date:
27 February 2013