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IV64307: CIFS_FS INFINITE LOOP IN SMB_RQ_ENQUEUE 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

  • During an unmount, the CIFS driver may enter
    an infinite loop.  The smbiod kernel process
    associated with the share mount will consume
    100% CPU.
    
    The stack trace of the smbiod kernel process
    will always begin as follows. Functions above
    this vary.
    
    nsmbdd:smb_rq_enqueue+000384 (??)
    nsmbdd:smb_rq_simple+000054 (??)
    nsmbdd:smb_smb_ssnclose@AF20_9+0000DC (??, ??, ??, ??)
    nsmbdd:smb_iod_disconnect@AF30_11+0000BC (??, ??, ??)
    nsmbdd:smb_iod_thread+000350 (??, ??, ??)
    

Local fix

Problem summary

  • During an unmount, the CIFS driver may enter
    an infinite loop.  The smbiod kernel process
    associated with the share mount will consume
    100% CPU.
    

Problem conclusion

  • Check for unrecoverable loop conditions & break out.
    

Temporary fix

Comments

  • 6100-09 - use AIX APAR IV64307
    6100-09 - use AIX APAR IV64307
    7100-03 - use AIX APAR IV64724
    ×**** PE16/11/14 PTF IN ERROR. SEE APAR IV80334  FOR DESCRIPTION
    

APAR Information

  • APAR number

    IV64307

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-09-01

  • Closed date

    2014-09-05

  • Last modified date

    2016-11-14

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

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

    IV64719 IV64724

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U861713

       UP15/11/18 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
14 November 2016