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IV52767: SYSTEM CRASH IN VPM_EVAL_STATE() 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 crash with following stack:
    
    (0)> f
    pvthread+000000 STACK:
    [00380118]vpm_eval_state+000378 (0000000000000000,
    00000000FFFFFFFF [??])
    [0037FB58]vpm_check_and_act+000058 ()
    [001A93AC]sched+000D4C (??, ??, ??)
    [00477A8C].runsched+000010 ()
    [kdb_read_mem] no real storage @ FFFFFFFFFFF8F90
    

Local fix

  • schedo -o vpm_throughput_mode=0
    

Problem summary

  • Customer will experience system crash if
    vpm_xvcpus is set to -1, vpm_fold_policy to 1
    and vpm_throughput_mode to 4.
    

Problem conclusion

  • Bypass CPU requirements folding calculations when vpm_xvcpus
    value is -1.
    

Temporary fix

Comments

  • 6100-07 - use AIX APAR IV58194
    6100-08 - use AIX APAR IV50412
    6100-09 - use AIX APAR IV52685
    6100-09 - use AIX APAR IV52685
    6100-09 - use AIX APAR IV52685
    7100-01 - use AIX APAR IV57479
    7100-02 - use AIX APAR IV56924
    7100-03 - use AIX APAR IV52767
    

APAR Information

  • APAR number

    IV52767

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2013-12-02

  • Closed date

    2013-12-02

  • Last modified date

    2014-08-14

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

    IV50412

  • 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 U858978

       UP14/05/22 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV52767

Modified date: 14 August 2014