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IJ51697: SYSTEM CRASH @EMPTY_BUCKET DURING DURING DR CPU ADD/REMOVE APPLIES TO AIX 7200-05

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APAR status

  • Closed as program error.

Error description

  • Crash in LPAR during cpu add/remove operation.
    KDB(3)> f
    pvthread+126000 STACK:
    Ý003F4B30¨empty_bucket+000230 (000000000001FFFF,
    0000000000000000,
    0000000000000009, 0000000000000003, 000000000008FC00,
    F10001093758E0D8 Ý??¨)
    Ý003F2ED8¨net_malloc_cpu_srad+000298
    Ý003F2AA8¨m_gethdr_cpu+000088 (??, ??, ??)
    Ý003F29E0¨m_gethdr+000020 (??, ??)
    ÝF10009D5A0A60608¨vioent_receive+001068
    ÝF10009D5A0A63894¨vioent_slih+000D54 (??)
    Ý00229AB4¨IPRA.$i_poll_soft+000134 (??)
    Ý00228204¨i_softmod+0002E4 ()
    Ý0024BCA4¨flih_util+000310 ()
    

Local fix

Problem summary

  • Crash in LPAR during cpu add/remove operation.
    KDB(3)> f
    pvthread+126000 STACK:
     003F4B30 empty_bucket+000230 (000000000001FFFF,
    0000000000000000,
    0000000000000009, 0000000000000003, 000000000008FC00,
    F10001093758E0D8  ?? )
     003F2ED8 net_malloc_cpu_srad+000298
     003F2AA8 m_gethdr_cpu+000088 (??, ??, ??)
     003F29E0 m_gethdr+000020 (??, ??)
     F10009D5A0A60608 vioent_receive+001068
     F10009D5A0A63894 vioent_slih+000D54 (??)
     00229AB4 IPRA.$i_poll_soft+000134 (??)
     00228204 i_softmod+0002E4 ()
     0024BCA4 flih_util+000310 ()
    

Problem conclusion

  • Code changes done to fix crash during frequent cpu
    add remove.
    

Temporary fix

Comments

  • 7200-05 - use AIX APAR IJ51697
    7300-03 - use AIX APAR IJ51665
    

APAR Information

  • APAR number

    IJ51697

  • Reported component name

    AIX V7.2

  • Reported component ID

    5765CD200

  • Reported release

    720

  • Status

    CLOSED PER

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2024-07-02

  • Closed date

    2024-07-02

  • Last modified date

    2025-02-07

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

    IJ51665

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

Fix information

  • Fixed component name

    AIX V7.2

  • Fixed component ID

    5765CD200

Applicable component levels

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SG11S","label":"AIX 7.2 HIPERS- APARs and Fixes"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"720","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

Document Information

Modified date:
08 February 2025