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IV51287: SYSTEM CRASH WHILE CLEANING UP RESOURCES IN ELXENT DRIVER 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

  • An OS crash occurs and this stack trace is seen in kdb:
    
    pvthread+014100 STACK:
    [00495494]m_freem+0000B4 (FFFCC3FFFFFFFFFF [??])
    [F1000000C0196384]elxent_tx_undo+000264 (??, ??)
    [F1000000C019A328]elxent_tx_free+000048 (??, ??)
    [F1000000C0199A0C]elxent_tx_init+0000EC (??, ??)
    [F1000000C0195360]elxent_open+000540 (??)
    [00014D70].hkey_legacy_gate+00004C ()
    [004A7B3C]ns_alloc+00013C (??, ??)
    [004A8F24]ndd_usrreq+000824 (??, ??, ??, ??, ??)
    [00525AB0]soeconnect+0005B0 (??, ??, ??)
    [00524D14]_econnect+000454 (??, ??, ??, ??)
    [0052A4BC]connext+00001C (??, ??, ??)
    [00003888]mfspurr_sc_flih01+0000E4 ()
    [kdb_get_virtual_memory] no real storage @ 2FF21A38
    [D02336A8]D02336A8 ()
    [kdb_read_mem] no real storage @ FFFFFFFFFFF5C40
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7100-03 Technology Level with the
    * devices.pciex.a21910071410d003.rte fileset at the 7.1.3.0
    * level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * An OS crash occurs and this stack trace is seen in kdb:
    * pvthread+014100 STACK:
    *  00495494 m_freem+0000B4 (FFFCC3FFFFFFFFFF  ?? )
    *  F1000000C0196384 elxent_tx_undo+000264 (??, ??)
    *  F1000000C019A328 elxent_tx_free+000048 (??, ??)
    *  F1000000C0199A0C elxent_tx_init+0000EC (??, ??)
    *  F1000000C0195360 elxent_open+000540 (??)
    *  00014D70 .hkey_legacy_gate+00004C ()
    *  004A7B3C ns_alloc+00013C (??, ??)
    *  004A8F24 ndd_usrreq+000824 (??, ??, ??, ??, ??)
    *  00525AB0 soeconnect+0005B0 (??, ??, ??)
    *  00524D14 _econnect+000454 (??, ??, ??, ??)
    *  0052A4BC connext+00001C (??, ??, ??)
    *  00003888 mfspurr_sc_flih01+0000E4 ()
    *  kdb_get_virtual_memory  no real storage @ 2FF21A38
    *  D02336A8 D02336A8 ()
    *  kdb_read_mem  no real storage @ FFFFFFFFFFF5C40
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV51287.
    ****************************************************************
    

Problem conclusion

  • Modify the driver code to avoid system crash.
    

Temporary fix

Comments

  • 6100-07 - use AIX APAR IV58248
    6100-08 - use AIX APAR IV50346
    6100-09 - use AIX APAR IV51126
    6100-09 - use AIX APAR IV51126
    6100-09 - use AIX APAR IV51126
    7100-01 - use AIX APAR IV57554
    7100-02 - use AIX APAR IV57003
    7100-03 - use AIX APAR IV51287
    

APAR Information

  • APAR number

    IV51287

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    NoHIPER

  • Submitted date

    2013-10-24

  • Closed date

    2013-10-24

  • Last modified date

    2014-08-14

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

    IV50346

  • 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 U859734

       UP14/05/22 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV51287

Modified date: 14 August 2014