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IZ77722: SYSTEM CRASH WHILE CONFIGURING DISKS IN MPIODELDRIVER() APPLIES TO AIX 6100-06

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

  • while configuring LUNs, the system might crash with a
    stack trace similar to:
    
    (0)> f
    pvthread+011C00 STACK:
    [0001AD00]abend_trap+000000 ()
    [004C0250]xm_bad_free+000250 (??, ??, ??, ??)
    [004BE50C]xmfree1+00024C (??, ??, ??, ??, ??, ??)
    [004BF5A4]xmfree+000144 (??, ??)
    [0462DA08]mpioDelDriver+0000E8 (??)
    [0462F0A4]mpioTerm+000264 (??)
    [045D3734]scsidisk_term_mpio+000034 (??)
    [045E5998]scsidisk_config+001738 (??, ??, ??)
    [00578910]config_dd+000270 (??, ??, ??)
    [005793E0]sysconfig+000240 (??, ??, ??)
    [00003844].svc_instr+000144 ()
    

Local fix

Problem summary

  • Possible system crash with following stack trace
    abend_trap+000000 ()
    xm_bad_free+000250 ()
    xmfree1+00024C ()
    xmfree+000144 ()
    mpioDelDriver+0000E8 ()
    mpioTerm+000264 ()
    scsidisk_term_mpio+000034 ()
    scsidisk_config+001738 ()
    config_dd+000270 ()
    sysconfig+000240 ()
    .svc_instr+000144 ()
    

Problem conclusion

  • Added code to return error code to scsidisk driver when
    dd path failed.
    

Temporary fix

Comments

  • 5300-10 - use AIX APAR IZ82642
    5300-11 - use AIX APAR IZ82121
    5300-12 - use AIX APAR IZ81597
    6100-04 - use AIX APAR IZ78828
    6100-05 - use AIX APAR IZ78799
    6100-06 - use AIX APAR IZ77592
    6100-06 - use AIX APAR IZ77722
    7100-00 - use AIX APAR IZ80282
    

APAR Information

  • APAR number

    IZ77722

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2010-06-18

  • Closed date

    2010-06-18

  • Last modified date

    2013-03-28

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

    IZ67778

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

    U843701

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U843701

       UP11/05/10 I 1000

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Document Information

Modified date:
17 December 2021