IBM Support

IT01948: ONMODE -C START|STOP CRASHES THE INSTANCE IN ONMODE_MON THREAD IF IT IS IN (AND WAS STARTED TO) QUIESCENT MODE

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APAR status

  • Closed as program error.

Error description

  • If you start the instance into Quiescent mode (oninit -s) and
    then run 'onmode -C start|stop <num>', the instance will crash
    with one of following messages in online.log:
    
    11:35:37  Assert Failed: Condition Failed (Bad block pointer
    0x7c7242a6484536de in pool 0x7000000200c1040), In (mt_shm_free)
    11:35:37  IBM Informix Dynamic Server Version 11.70.FC8XB
    11:35:37   Who: Session(10, informix@hostname, 0,
    70000002046ea00)
                    Thread(37, onmode_mon, 7000000204302c8, 1)
                    File: mtshpool.c Line: 4683
    11:35:37   Action: Please notify IBM Informix Technical Support.
    11:35:37  stack trace for pid 46006340 written to
    /tmp/af.40d21e8
    11:35:37   See Also: /tmp/af.40d21e8
    11:35:39  Condition Failed (Bad block pointer 0x7c7242a6484536de
    in pool 0x7000000200c1040), In (mt_shm_free)
    11:35:40  stack trace for pid 46006340 written to
    /tmp/af.40d21e8
    11:35:40  Assert Failed: No Exception Handler
    11:35:40  IBM Informix Dynamic Server Version 11.70.FC8XB
    11:35:40   Who: Session(10, informix@hostname, 0,
    70000002046ea00)
                    Thread(37, onmode_mon, 7000000204302c8, 1)
                    File: mtex.c Line: 490
    11:35:40   Results: Exception Caught. Type: MT_EX_OS, Context:
    mem
    11:35:40   Action: Please notify IBM Informix Technical Support.
    11:35:40   See Also: /tmp/af.40d21e8
    11:35:43  mtex.c, line 490, thread 37, proc id 46006340, No
    Exception Handler.
    11:35:43  The Master Daemon Died
    11:35:44  PANIC: Attempting to bring system down
    
    or:
    
    11:43:03  Assert Failed: Invalid Mutex Type
    11:43:03  IBM Informix Dynamic Server Version 11.70.FC8XB
    11:43:03   Who: Session(10, informix@hostname, 0,
    70000002046ea00)
                    Thread(37, onmode_mon, 7000000204302c8, 1)
                    File: mt.c Line: 8765
    11:43:03  stack trace for pid 43581620 written to
    /tmp/af.40d23a7
    11:43:03   See Also: /tmp/af.40d23a7
    11:43:06  mt.c, line 8765, thread 37, proc id 43581620, Invalid
    Mutex Type.
    11:43:07  The Master Daemon Died
    11:43:07  PANIC: Attempting to bring system down
    
    The stack traces of the onmode_mon thread that were seen in this
    situation:
    
    afstack
    afhandler
    affail_interface
    mem_asfail
    mt_free
    btc_alloc_thread_block
    btc_start_or_kill
    btc_set_cmd
    onmode_monitor
    th_init_initgls
    startup
    
    or:
    
    afstack
    afhandler
    afcrash_interface
    mt_lock
    btc_start_or_kill
    btc_set_cmd
    onmode_monitor
    th_init_initgls
    startup
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All users                                                    *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Update to IDS-11.70.xC9                                      *
    ****************************************************************
    

Problem conclusion

  • Problem Fixed In IDS-11.70.xC9
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT01948

  • Reported component name

    INFORMIX SERVER

  • Reported component ID

    5725A3900

  • Reported release

    B70

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2014-05-21

  • Closed date

    2017-06-09

  • Last modified date

    2017-06-09

  • 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

  • RB70 PSY

       UP

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Document Information

Modified date:
09 June 2017