IC91432: ASSERT WARNING: ATTEMPT TO WAKE A NON-EXISTENT THREAD WHEN CPU VPS ARE CONFIGURED MORE THAN THE PHYSICAL CPUS

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APAR status

  • Closed as program error.

Error description

  • This is seen on linux_x86_64 system.
    
    
    Stack from AF
    16:16:05  IBM Informix Dynamic Server Version 11.50.FC9W2
    Software Serial Number AAA#B000000
    
    16:16:05  Assert Warning: Attempt to wake a non-existent thread.
    
    (oninit) afstack
    (oninit) afhandler
    (oninit) afwarn_interface
    (oninit) mt_wakeup_expedite_haslock
    (oninit) buffput
    (oninit) wrt_home
    (oninit) wrtrecord
    (oninit) rswrite
    (oninit) fmwrite
    (oninit) aud_sqiswrite
    (oninit) chkrowcons
    (oninit) addone
    (oninit) insone_next
    (oninit) doinsert
    (oninit) excommand
    (oninit) ip_evalsql
    (oninit) runproc
    (oninit) udrlm_spl_execute
    (oninit) udrlm_exec_routine
    (oninit) udr_execute
    (oninit) exroutine
    (oninit) execproc
    (oninit) aud_execproc
    (oninit) excommand
    (oninit) sq_execute
    (oninit) sqmain
    (oninit) spawn_thread
    (oninit) startup
    
    For example, on a 16 processor machine even if 13 CPU VPs are
    configured, you get the AF Warning.
    

Local fix

  • Configure less number of CPU VPs.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Users of IDS 11.50 and above                                 *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Update to IDS-11.50.xC10                                     *
    ****************************************************************
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    IC91432

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    B50

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-04-09

  • Closed date

    2013-05-24

  • Last modified date

    2013-05-24

  • 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

    INFORMIX SERVER

  • Fixed component ID

    5725A3900

Applicable component levels

  • RB50 PSY

       UP



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Document information


More support for:

Informix Servers

Software version:

B50

Reference #:

IC91432

Modified date:

2013-05-24

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