IBM Support

IV62582: vmm crash in v_pfend during pagein APPLIES TO AIX 7100-03

A fix is available

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • VMM crashes system while completing page-in processing
    for a page
    
    The stack for the crash is as below -
    
    pvthread+001500 STACK:
    [00023900]abend_trap+000000 ()
    [003967EC]v_vtiol_queuable+00030C (??)
    [00387330]v_pfend+000010 (??)
    [003871A4]vm_pfend+000044 (??)
    

Local fix

  • No fix. System will reboot.
    
    Turning OFF MPSS support will avoid this issue
    
    vmo -r -o vmm_mpsize_support=1
    

Problem summary

  • Potential system crash during heavy page size management and
    page replacement activity.
    

Problem conclusion

  • Fix page migration code.
    

Temporary fix

Comments

  • 6100-09 - use AIX APAR IV65474
    7100-03 - use AIX APAR IV62582
    

APAR Information

  • APAR number

    IV62582

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-07-16

  • Closed date

    2014-10-02

  • Last modified date

    2015-05-22

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

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

    IV65358 IV65474 U869606

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U869606

       UP15/05/20 I 1000



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV62582

Modified date: 22 May 2015