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IV63598: AIX HANG: UNLOADWPAR AND SHLAP DEADLOCK ON CORRAL_CONF_LOCK 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

  • The environment is 7.1 lpar, 5.2 vwpar, audit running on
    global (lpar).
    clogin and run "shutdown now", this will cause wpar to go
    to "transitional" T state, after which wpar cannot be
    restarted.
    
    (0)> f 2146
    pvthread+086200 STACK:
    [005BA758]slock+000578 (0000000000009024,
    8000000000009032 [??])
    [00009558].simple_lock+000058 ()
    [005ED460]kwpar_lock_kcid+0002A0 (??)
    [005F2EC0]kwpar_getckey+000020 (??, ??)
    [005E812C]AuditWrite+0001EC (0000002000000020,
    0000000000000000,
       F100011FC8A1FD00, 0000009C0000009C, F100011FC8A1FD00,
    0000001000000010,
       0000000000000000, F100010008077680)
    [005E86D4]auditscall+000294 ()
    [00117AB8]kexitx+001438 (??)
    [000B698C]kexit+00008C ()
    [kdb_get_virtual_memory] no real storage @
    FFFFFFFF3FFFE60
    [kdb_read_mem] no real storage @ FFFFFFFFFFF8E20
    

Local fix

Problem summary

  • The customer will experience a hang on their versioned wpar
    if they have audit running in the global and they try to
    shut down their wpar.
    

Problem conclusion

  • Ensure that the global processes do not attempt to
    take the kcid lock.
    

Temporary fix

Comments

  • 7100-02 - use AIX APAR IV70217
    7100-03 - use AIX APAR IV63598
    

APAR Information

  • APAR number

    IV63598

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-08-14

  • Closed date

    2014-08-14

  • Last modified date

    2015-09-30

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

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

    IV63858 IV70217

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U865837

       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 #: IV63598

Modified date: 30 September 2015