IBM Support

IV66067: SYSTEM HANG WITH SOME OF THE THREADS IN V_TESTSTACK() 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

  • System can hang with one of the threads is in
    following stack trace:
    
    pvthread+180C00 STACK:
    [0000AF28].fetch_and_nop+000008 ()
    [0025C320]mpc_send_sync+000160 (??, ??, ??)
    [00387800]v_teststack+0001A0 (??)
    [0037B538]v_pfend_wseg_pta+0007F8 (??, ??, ??, ??)
    [0038010C]v_pfend_com+00048C (??)
    [00380798]v_pfend+000038 (??)
    [003805E4]vm_pfend+000044 (??)
    [002614A4]percpu_iodone_offl+0000E4 (??)
    [00260AD0]iodone_offl+0000D0 ()
    [0025DC1C]i_softmod+00043C ()
    [001FF64C]flih_util+000258 ()
    

Local fix

  • N/A
    

Problem summary

  • CPU may hang which can potentially hang the partition.
    

Problem conclusion

  • Code fix to close a timing window when coming out of sleep mode
    

Temporary fix

Comments

  • 7100-03 - use AIX APAR IV66067
    

APAR Information

  • APAR number

    IV66067

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-10-17

  • Closed date

    2014-10-17

  • Last modified date

    2015-12-31

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

    IV62660

  • 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 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 #: IV66067

Modified date: 31 December 2015