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IV55885: NPIV CLIENT DEADLOCK WHILE TAKING RECEIVE LOCK APPLIES TO AIX 6100-09

A fix is available

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APAR status

  • Closed as program error.

Error description

  • system hangs with the following stack signaturea
    ■0008A0E4e_block_thread+0002E4 ()
    ■000FA20Cdelay+00012C (??)
    ■0446722Cvfc_wait_for_pending_work+00006C (??, ??)
    ■0446359Cvfc_close+00025C (??)
    ■00500168ns_free+000088 (??)
    ■044C51F8efsc_fail_open+0002B8 (??, ??, ??, ??)
    ■044C5BD0efsc_open+000870 (??, ??, ??, ??)
    ■005F8BA0devcopen+000480 (??, ??, ??, ??, ??)
    ■005F9720rdevopen+000100 (??, ??, ??, ??, ??)
    ■0087A300cdev_open+000060 (F1000A57508A11A0, 0000000300000003,
       0000000000000000)
    ■007E55C0spec_open+0001C0 (??, ??, ??, ??, ??)
    ■0063EA3Cvnop_open+0004BC (??, ??, ??, ??, ??)
    ■00690844openpnp+0005E4 (??, ??, ??, ??, ??, ??)
    ■00690E00openpath+000100 (??, ??, ??, ??, ??, ??, ??)
    ■006912D4copen+000294 (??, ??, ??, ??, ??)
    

Local fix

Problem summary

  • system hangs with the following stack signaturea
     0008A0E4 e_block_thread+0002E4 ()
     000FA20C delay+00012C (??)
     0446722C vfc_wait_for_pending_work+00006C (??, ??)
     0446359C vfc_close+00025C (??)
     00500168 ns_free+000088 (??)
     044C51F8 efsc_fail_open+0002B8 (??, ??, ??, ??)
     044C5BD0 efsc_open+000870 (??, ??, ??, ??)
     005F8BA0 devcopen+000480 (??, ??, ??, ??, ??)
     005F9720 rdevopen+000100 (??, ??, ??, ??, ??)
     0087A300 cdev_open+000060 (F1000A57508A11A0, 0000000300000003,
       0000000000000000)
     007E55C0 spec_open+0001C0 (??, ??, ??, ??, ??)
     0063EA3C vnop_open+0004BC (??, ??, ??, ??, ??)
     00690844 openpnp+0005E4 (??, ??, ??, ??, ??, ??)
     00690E00 openpath+000100 (??, ??, ??, ??, ??, ??, ??)
     006912D4 copen+000294 (??, ??, ??, ??, ??)
    

Problem conclusion

  • release receive lock such that the watchdog can grab it
    while processing pending requests on closure
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV55885

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-02-25

  • Closed date

    2014-02-25

  • Last modified date

    2014-10-28

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U861136

       UP14/10/28 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Standard Edition

Software version: 610

Operating system(s): AIX

Reference #: IV55885

Modified date: 28 October 2014