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IV69455: ASO DUMPS CORE WHEN MEMPREF USES INVALID RAD TOPOLOGY 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

  • ASO dumps core with following stack:  (dbx) where
    pthread_kill(??, ??) at 0x90000000050cf54 _p_raise(??) at
    0x90000000050c7a8 raise.raise(??) at 0x90000000002bacc abort()
    at 0x90000000007c964 Logger_abort_fatal(format = "    Actual:
    %d vs %dn", ... = Rad_get_top_level_rad(), line 1351 in
    "Rad.c"
    MemoryPrefetchStability_private_per_active_core_loadavg(),
    MemoryPrefetchStability_strategy_check_hibernate(strategy =
    JobStrategyController_check_strategy_state(), line 696 in
    Hibernation_check_events(hibernation_state =
    0x0ffffffffffffa70)
    Hibernation_should_hibernate(hibernation_state =
    0x0ffffffffffff unnamed block in mainloop(terminate =
    0x0ffffffffffffc1a), line mainloop(terminate =
    0x0ffffffffffffc1a), line 460 in "aso.c" main(argc = 1, argv =
    0x0ffffffffffffcc0), line 1135 in "aso.c"
    

Local fix

Problem summary

  • ASO dumps core with following stack:  (dbx) where
    pthread_kill(??, ??) at 0x90000000050cf54 _p_raise(??) at
    0x90000000050c7a8 raise.raise(??) at 0x90000000002bacc abort()
    at 0x90000000007c964 Logger_abort_fatal(format = "    Actual:
    %d vs %dn", ... = Rad_get_top_level_rad(), line 1351 in
    "Rad.c"
    MemoryPrefetchStability_private_per_active_core_loadavg(),
    MemoryPrefetchStability_strategy_check_hibernate(strategy =
    JobStrategyController_check_strategy_state(), line 696 in
    Hibernation_check_events(hibernation_state =
    0x0ffffffffffffa70)
    Hibernation_should_hibernate(hibernation_state =
    0x0ffffffffffff unnamed block in mainloop(terminate =
    0x0ffffffffffffc1a), line mainloop(terminate =
    0x0ffffffffffffc1a), line 460 in "aso.c" main(argc = 1, argv =
    0x0ffffffffffffcc0), line 1135 in "aso.c"
    

Problem conclusion

  • Change mempref function to check for valid topology before
    using it.
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV70143
    6100-09 - use AIX APAR IV69389
    7100-02 - use AIX APAR IV70208
    7100-03 - use AIX APAR IV69455
    

APAR Information

  • APAR number

    IV69455

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2015-02-12

  • Closed date

    2015-02-12

  • Last modified date

    2015-09-30

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

    IV69389

  • 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 U865828

       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 #: IV69455

Modified date: 30 September 2015