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IV51986: PANIC WITH STACK GOING THROUGH PTM_PUT APPLIES TO AIX 6100-09

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

  • A panic with a stack such as this:
    
    WARNING: bad IAR: 00000000, display stack from LR:
    F1000000C0187884
    [F1000000C0187884]pse:csq_run+000164 (F1000E006181FC00
    [??])
    [F1000000C01868EC]pse:csq_lateral+00036C (??, ??, ??)
    [F1000000C0181D4C]pse:puthere+00016C (??, ??)
    [00014D70].hkey_legacy_gate+00004C ()
    [F1000000C02E0A00]ptydd:ptm_put+0002E0 (??, ??, ??)
    [F1000000C02EFC5C]ptydd:pts_open+0006BC (??, ??, ??, ??,
    ??)
    [F1000000C0195930]pse:open_wrapper+0000F0 (??)
    [F1000000C01875F8]pse:csq_protect+0003B8 (??, ??, ??, ??,
    ??, ??)
    [F1000000C0192434]pse:osr_open+0000F4 (??)
    [F1000000C0193054]pse:pse_open+000454 (??, ??, ??, ??)
    [00014D70].hkey_legacy_gate+00004C ()
    [0059BD40]devcopen+000440 (??, ??, ??, ??, ??)
    [0059C880]rdevopen+000100 (??, ??, ??, ??, ??)
    [0080BA40]cdev_open+000060 (F1000A04D00DDEA8,
    0400080304000803,
       0000000000000000)
    [0077F860]spec_open+0001C0 (??, ??, ??, ??, ??)
    [005C8FBC]vnop_open+0004BC (??, ??, ??, ??, ??)
    [006974C4]openpnp+0005E4 (??, ??, ??, ??, ??, ??)
    [00697A80]openpath+000100 (??, ??, ??, ??, ??, ??, ??)
    [00697F54]copen+000294 (??, ??, ??, ??, ??)
    [00696E5C]kopen+00001C (??, ??, ??)
    
    The BSD pty code is currently being this by this issue
    but
    it could happen to any non-clone streams device.
    

Local fix

Problem summary

  • System crashed in streams
    

Problem conclusion

  • Code changes are made to set and get stream head from device
    with lock held
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV51986

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2013-11-12

  • Closed date

    2013-11-12

  • Last modified date

    2014-10-29

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

    IV50279

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

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U861075

       UP14/10/29 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Standard Edition

Software version: 610

Operating system(s): AIX

Reference #: IV51986

Modified date: 29 October 2014