IV33926: AGENT HANGS WHEN TEP DISPLAYS ERRLOG

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Severity:    3
    Approver:    GC
    Compid:      5724C04LA ITM UNIX LOG AGENT
    Release:     6.22
    Abstract:    AGENT HANGS WHEN TEP DISPLAYS ERRLOG
    Environment: AIX
    
    Problem Description:
    On AIX system, when displaying the ERRLOG entries in TEP
    user interfaces, the ITM Unix Log Agent can hang.
    In particular if many refresh on the workspace are
    performed.
    
    This problem can be evidenced from the procstack output
    which will show kulagent hang in RAS1 funtions called
    from createChildForReport()., as in the following example:
    
    
    Stack trace of child 'kulagent'
    ================
    (dbx) where
    _global_lock_common(??, ??, ??) at 0x900000000f897b4
    _mutex_lock(??, ??, ??) at 0x900000000f966fc
    BSS1_GetLock(0x110012580) at 0x900000002126f10
    KBBRAFH(0x110016cd0, 0x110008aa0, 0x2) at 0x900000002138738
    KBBSS_FlushBuffer(0x110008a50, 0x100000001) at 0x90000000212af64
    BSS1_EndFormat(0x110008a50) at 0x9000000021348a4
    RAS1_Format(0x1100045e8, 0x39e0000039e, 0x100033654,
    0x110d2b598) at
    0x90000000212bbac
    RAS1_Printf(0x1100045e8, 0x39e0000039e, 0x100033654,
    0x110343110,
    0x100032fac, 0x110d2b5f0, 0x110d2b600, 0x1) at 0x90000000212bb04
    ErrLogFile::createChildForReport(ErrlogBufferInfo*,const
    _RequestThresholds*)(0x110343010, 0x110dcafb0, 0x110dc07b8) at
    0x10001cbf0
    ErrLogFile::startReportRequest(void*)(0x110343010, 0x110dc07b8)
    at
    0x10001d568
    kul_ullogent_agent::TakeSample()(0x110dc0690) at 0x100014ca4
    ctira::DriveDataCollection()(0x110dc0690) at 0x90000000285b47c
    TableManager::checkForExpiredRequests(long)(0x1103435f0,
    0x50d26a2e) at
    0x9000000028389fc
    TableManager::timeout(CTRA_Timerspec_*)(0x110343738) at
    0x90000000283a5c8
    CTRA_timer_base::TimerCallbackHandler()(0x110bec270) at
    0x900000002844c80
    krabutmr.Handler_base(void*)(0x110bec270) at 0x9000000028453c4
    krabuptm.CTRA_timer_task(void*)(0x110bebe50) at
    0x9000000028478a8
    ================
    

Local fix

Problem summary

  • Problem Description: AGENT HANGS WHEN TEP DISPLAYS ERRLOG
    
    Problem/Problem Summary:
    On AIX system, when displaying the ERRLOG entries in TEP
    user interfaces, the ITM Unix Log Agent can hang.
    
    This problem can be evidenced from the procstack output
    for kulagent process. It will show a lock in RAS1 funtions
    called by the function:
       ErrLogFile::createChildForReport()
    

Problem conclusion

  • The fix for this APAR will be contained in the following
    maintenance package:
    
    | FixPack | 6.2.3-TIV-ITM-FP0004
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV33926

  • Reported component name

    ITM AGENT UNIX

  • Reported component ID

    5724C04LA

  • Reported release

    622

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-12-20

  • Closed date

    2013-01-29

  • Last modified date

    2013-01-29

  • 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

    ITM AGENT UNIX

  • Fixed component ID

    5724C04LA

Applicable component levels

  • R623 PSY

       UP

  • R610 PSN

       UP

  • R620 PSN

       UP

  • R621 PSN

       UP

  • R622 PSN

       UP



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Document information


More support for:

Tivoli Components
ITM Agent UNIX Log Alert V6

Software version:

622

Reference #:

IV33926

Modified date:

2013-01-29

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