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IV56423: DSI CRASH IN SCSIDISKPIN:POFCMDPROC. APPLIES TO AIX 7100-03

A fix is available

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • You will see a DSI crash like the following:
    
    CRASH INFORMATION:
    CPU 0 CSA F00000002FF47600 at time of crash, error code
    for LEDs: 30000000
    pvthread+030A00 STACK:
    [042F1408]scsidiskpin:pofCmdProc+000128 ()
       r31 : 00000000DEADBEEF r30 : 00000000DEADBEEF r29 :
    00000000DEADBEEF
       r28 : 00000000DEADBEEF r27 : 00000000DEADBEEF r26 :
    00000000DEADBEEF
       r25 : 00000000DEADBEEF r24 : 00000000DEADBEEF r23 :
    00000000DEADBEEF
       r22 : 00000000DEADBEEF r21 : 00000000DEADBEEF
    [0024A270]procentry+000010 (??, ??, ??, ??)
    [kdb_read_mem] no real storage @ FFFFFFFFFFF6110
    

Local fix

  • N/A
    

Problem summary

  • Due to a timing hole, system could crash in pofCmdProc thread.
    

Problem conclusion

  • Code is modified to check for existence of the pointer before
    de-referncing it.
    

Temporary fix

Comments

  • 6100-07 - use AIX APAR IV51823
    6100-08 - use AIX APAR IV58007
    6100-09 - use AIX APAR IV56392
    6100-09 - use AIX APAR IV56392
    6100-09 - use AIX APAR IV56392
    7100-01 - use AIX APAR IV57651
    7100-02 - use AIX APAR IV57105
    7100-03 - use AIX APAR IV56423
    7100-04 - use AIX APAR IV56520
    

APAR Information

  • APAR number

    IV56423

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-03-07

  • Closed date

    2014-03-07

  • Last modified date

    2016-05-10

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

    IV51823

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

    U866437

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U866437

       UP14/05/22 I 1000



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV56423

Modified date: 10 May 2016