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IV46105: SYSTEM CRASHES DUE TO AN IMPROPER ASSERT IN TXCOMMIT 13/08/14 PTF PECHANGE

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APAR status

  • Closed as program error.

Error description

  • System crashes inside txCommit by an assert introduced in
    IV08141 (Serviceability enhancement). This is not a
    result
    of corrupt filesystem.
    
    CRASH INFORMATION:
    CPU 8 CSA F00000002FF47600 at time of crash, error code
    for LEDs: 70000000
    pvthread+03D800 STACK:
    [003B0374]txCommit+0007F4 (0000000000000000,
    F1000A2C869033F8,
       0000000000000000, 000000000000000A [??])
    [003FE410]j2_setattr+000310 (??, ??, ??, ??, ??, ??)
    [005C4628]vnop_setattr+000308 (??, ??, ??, ??, ??, ??)
    [007C60F8]vsetattr@AF13_1+000018 (??, ??, ??, ??, ??, ??)
    [007C6070]setnameattr+000090 (??, ??, ??, ??, ??, ??, ??)
    [006EB444]utimes+000164 (??, ??)
    [000038A4]mfspurr_sc_flih01+0000E4 ()
    [kdb_get_virtual_memory] no real storage @ 2FF1EAE8
    [10009A24]10009A24 ()
    [kdb_read_mem] no real storage @ FFFFFFFFFFF6120
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7100-00 Technology Level with
    * bos.mp64 at 7.1.0.18 through 7.1.0.23 level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * System crashes due to an improper assert in txCommit(), a part
     of the
    * transaction manager for JFS2 file systems.  The stack trace wi
    ll be
    * similar to:
    *  003B0374 txCommit+0007F4 (0000000000000000,
    * F1000A2C869033F8, 0000000000000000, 000000000000000A  ?? )
    *  003FE410 j2_setattr+000310 (??, ??, ??, ??, ??, ??)
    *  005C4628 vnop_setattr+000308 (??, ??, ??, ??, ??, ??)
    *  007C60F8 vsetattr@AF13_1+000018 (??, ??, ??, ??, ??, ??)
    *  007C6070 setnameattr+000090 (??, ??, ??, ??, ??, ??, ??)
    *  006EB444 utimes+000164 (??, ??)
    *  000038A4 mfspurr_sc_flih01+0000E4 ()
    *  kdb_get_virtual_memory  no real storage @ 2FF1EAE8
    *  10009A24 10009A24 ()
    *  kdb_read_mem  no real storage @ FFFFFFFFFFF6120
    ****************************************************************
    * RECOMMENDATION:
    * An interim fix is available from
    * ftp://public.dhe.ibm.com/aix/ifixes/iv46105/
    ****************************************************************
    

Problem conclusion

  • removing 3 asserts in j2_txnmgr().
    

Temporary fix

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

Comments

APAR Information

  • APAR number

    IV46105

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Submitted date

    2013-07-24

  • Closed date

    2013-07-24

  • Last modified date

    2013-08-14

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

    IV45736

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

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY

       UP

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Document Information

Modified date:
14 August 2013