IBM Support

IV04403: CRASH IN APPCM LEAKING LOCKS IN ITS WATCHDOG TIMER CTRL_WATCHDOG APPLIES TO AIX 5300-11

A fix is available

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • The system can crash with the following stacktrace while
    using the
    active passive pcm:
    
    (0)> f
    pvthread+000200 STACK:
    [0001BF00]abend_trap+000000 ()
    [000A23DC]clock+00041C (??)
    [002432C4]i_softmod+000384 ()
    [0013FCE4]flih_util+000250 ()
    ____ Exception (F00000002FF47600) ____
    iar   : 000000000008A700  msr   : 8000000000009032  cr
    : 22028822
    lr    : 000000000006D9F0  ctr   : 80000000001C5F30  xer
    : 20000018
    mq    : 00000000  asr   : 0000000008A46001
    r0  : 00100000000001F4  r1  : 0FFFFFFFF3FFFDF0  r2  :
    0000000002B65448
    r3  : 0000000000000000  r4  : 0000000000000001  r5  :
    0000000000000003
    r6  : 0000000000000000  r7  : 0000000000000000  r8  :
    0000000000000000
    r9  : 0000000000000000  r10 : 0000000000000002  r11 :
    0000000000000000
    r12 : 0000000000004000  r13 : F100011807FA1800  r14 :
    00000000DEADBEEF
    r15 : 00000000000034E0  r16 : 0000000000000002  r17 :
    000000000446A998
    r18 : 0000000000922C28  r19 : 00000000000034C8  r20 :
    0000000000000001
    r21 : 001660AD9E1C354E  r22 : 0000000002BD0C24  r23 :
    0000000000000000
    r24 : F1000F0A10000278  r25 : F1000100182EF000  r26 :
    0000000000000000
    r27 : 0000000002412900  r28 : 00000000024128FE  r29 :
    0000000002BD0CB0
    r30 : F100011807F9E000  r31 : 0000000002BD0000
    
    prev      0000000000000000 stackfix  0000000000000000
    int_ticks 0000
    kjmpbuf   0000000000000000 excbranch 0000000000000000
    no_pfault 00
    intpri    0B               backt     00
    flags     00
    hw_fru_id 00000000         hw_cpu_id 00000000
    fpscr     0000000000000000 fpscrx    00000000
    fpowner   00
    fpeu      00               fpinfo    00
    alloc     F000
    o_iar     0000000000000000 o_toc     0000000000000000
    o_arg1    0000000000000000 o_vaddr   0000000000000000
    krlockp   0000000000000000 rmgrwa    0000000000000000
    amrstackhigh  F00000002FFCCFF0 amrstacklow
    F00000002FFCC000
    amrstackcur   F00000002FFCCFF0 amrstackfix
    0000000000000000
    kstackhigh    0000000000000000 kstacksize    00000000
    frrstart  700DFEED00000000 frrend    700DFEED00000000
    frrcur    700DFEED00000000 frrstatic 0000 kjmpfrroff 0000
    frrovcnt  0000 frrbarrcnt 0000 frrmask 00 callrmgr 00
    Except :
    excp_type 00000000
     ex[0] 0000000000000000 ex[1] 0000000000000000
     ex[2] 0000000000000000 ex[3] 0000000000000000 ex[4]
    0000000000000000
    [0008A700].h_cede+000014 ()
    [0006D9EC]waitproc+00048C ()
    [00340010]procentry+000010 (??, ??, ??, ??)
    

Local fix

Problem summary

  • crash; possible stack trace:
    pvthread+000200 STACK:
     0001BF00 abend_trap+000000 ()
     000A23DC clock+00041C (??)
     002432C4 i_softmod+000384 ()
     0013FCE4 flih_util+000250 ()
    

Problem conclusion

  • Added an else clause to catch all cases to unlock all locks.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV04403

  • Reported component name

    AIX 5.3

  • Reported component ID

    5765G0300

  • Reported release

    530

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2011-08-03

  • Closed date

    2011-08-03

  • Last modified date

    2013-04-16

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

    IV02236

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

Fix information

  • Fixed component name

    AIX 5.3

  • Fixed component ID

    5765G0300

Applicable component levels

  • R530 PSY U844846

       UP11/10/07 I 1000

PTF to Fileset Mapping

[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11P","label":"APARs - AIX 5.3 environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"530","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
16 April 2013