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IV54164: SYSTEM CRASH DURING HIGH LOAD CAUSING NEGATIVE RUNQ LOAD VALUE 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

  • KDB(16)> f
    pvthread+501A200 STACK:
    Ý00160008¨schedcpu+000948 (0000000000000000, FFFFFFFFFF80001D
        Ý00109240¨sys_timer+000220 (??)
        Ý0010A028¨clock+000308 (??)
        Ý00310164¨i_softmod+0005A4 ()
    

Local fix

Problem summary

  • KDB(16)> f
    pvthread+501A200 STACK:
     00160008 schedcpu+000948 (0000000000000000, FFFFFFFFFF80001D
         00109240 sys_timer+000220 (??)
         0010A028 clock+000308 (??)
         00310164 i_softmod+0005A4 ()
    

Problem conclusion

  • Use temporary 64-bit variables for load computation.
    Cap max load to static value.
    

Temporary fix

Comments

  • 6100-09 - use AIX APAR IV54203
    6100-09 - use AIX APAR IV54203
    6100-09 - use AIX APAR IV54203
    7100-03 - use AIX APAR IV54164
    7100-04 - use AIX APAR IV54245
    

APAR Information

  • APAR number

    IV54164

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-01-16

  • Closed date

    2014-01-16

  • Last modified date

    2016-05-10

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

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

    IV54203 IV54245

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 #: IV54164

Modified date: 10 May 2016