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IV68230: SYSTEM CRASH AFTER DETACHING AN INTERFACE USING ELXENTDD 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

  • System may crash with following stack trace after calling
    ioctl on an
    interface which has been detached.
    
    CRASH INFORMATION:
    CPU 12 CSA F00000002FF47600 at time of crash, error code
    for LEDs: 30000000
    pvthread+099400 STACK:
    [F1000000C01CC110]elxent_ctl+000450 (700DFEED00007262,
    F1000A02AB571460,
       0000000000000000, 0000000000000003 [??])
    [00014D70].hkey_legacy_gate+00004C ()
    [061F22C4]ptx_load_ifnet_helper64+0001E4 (??, ??)
    [061F1490]_ptx_get_ifnets64+000250 (??, ??, ??, ??)
    [061F8EB0]ptx_get_ifnets64+000030 (??, ??, ??)
    [000038A4]mfspurr_sc_flih01+0000E4 ()
    [kdb_get_virtual_memory] no real storage @ 2FF210D4
    [D24892A0]D24892A0 ()
    [kdb_read_mem] no real storage @ FFFFFFFFFFF6460
    

Local fix

Problem summary

  • System may crash with following stack trace after calling
    ioctl on an interface which has been detached.
    
    CRASH INFORMATION:
    CPU 12 CSA F00000002FF47600 at time of crash, error code
    for LEDs: 30000000
    pvthread+099400 STACK:
     F1000000C01CC110 elxent_ctl+000450 (700DFEED00007262,
    F1000A02AB571460,
       0000000000000000, 0000000000000003  ?? )
     00014D70 .hkey_legacy_gate+00004C ()
     061F22C4 ptx_load_ifnet_helper64+0001E4 (??, ??)
     061F1490 _ptx_get_ifnets64+000250 (??, ??, ??, ??)
     061F8EB0 ptx_get_ifnets64+000030 (??, ??, ??)
     000038A4 mfspurr_sc_flih01+0000E4 ()
     kdb_get_virtual_memory  no real storage @ 2FF210D4
     D24892A0 D24892A0 ()
     kdb_read_mem  no real storage @ FFFFFFFFFFF6460
    

Problem conclusion

  • Call ns_alloc before issuing the STATS ioctl
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV70048
    6100-09 - use AIX APAR IV68245
    7100-02 - use AIX APAR IV66094
    7100-03 - use AIX APAR IV68230
    

APAR Information

  • APAR number

    IV68230

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2015-01-05

  • Closed date

    2015-01-05

  • Last modified date

    2015-09-30

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

    IV66094

  • 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 U865724

       UP15/05/19 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV68230

Modified date: 30 September 2015