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IV03435: SYSTEM CRASHES IN I_SCHED() BY JASDD APPLIES TO AIX 6100-07

A fix is available

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APAR status

  • Closed as program error.

Error description

  • System crashes in jasdd with following stack trace.
    
    CRASH INFORMATION:
    CPU 0 CSA F00000003002F780 at time of crash, error code
    for LEDs: 70000000
    pvthread+002E00 STACK:
    [000F302C]i_sched+000030 (0000000000000006 [??])
    [042D8C0C]jas_recover+00010C (??)
    [0424599C]csq_protect+00032C (??, ??, ??, ??, ??, ??)
    [04252DB0]bufcall_rsrv+000114 (??)
    [0425AC18]sq_wrapper+000158 (??)
    [04246068]csq_run+000504 (??)
    [04244D20]csq_lateral+0000BC (??, ??, ??)
    [0425B598]scheduled_run+0000D0 ()
    [001FD8B0]Netintr+0001A0 ()
    [001FD6CC]netisr_thread+000014 ()
    [00172374]threadentry+000014 (??, ??, ??, ??)
    
    (0)> dr iar
    iar   : 00000000000F302C
    .i_sched+000030      twlti    r0,6
    r0=0000000000000001
    
    (0)> symptom
    Instruction:
    PIDS/5765G0300 LVLS/530 PCSS/SPI1 MS/700 FLDS/i_sched
    VALU/d000009 FLDS/jas_recov VALU/10c
    
    (0)> status
    CPU     TID  TSLOT     PID  PSLOT  PROC_NAME
      0    2E05D     46   21042     33  gil
      1   1680DB    360   8500C    133  topasrec
      2    1502B     21    E01C     14  wait
      3    1702F     23    F01E     15  wait
      4    18031     24   10020     16  wait
      5    19033     25   11022     17  wait
    

Local fix

Problem summary

  • System crashes in jasdd with following stack trace.
    
    CRASH INFORMATION:
    CPU 0 CSA F00000003002F780 at time of crash, error code
    for LEDs: 70000000
    pvthread+002E00 STACK:
     000F302C i_sched+000030 (0000000000000006  ?? )
     042D8C0C jas_recover+00010C (??)
     0424599C csq_protect+00032C (??, ??, ??, ??, ??, ??)
     04252DB0 bufcall_rsrv+000114 (??)
     0425AC18 sq_wrapper+000158 (??)
     04246068 csq_run+000504 (??)
     04244D20 csq_lateral+0000BC (??, ??, ??)
     0425B598 scheduled_run+0000D0 ()
     001FD8B0 Netintr+0001A0 ()
     001FD6CC netisr_thread+000014 ()
     00172374 threadentry+000014 (??, ??, ??, ??)
    
    (0)> dr iar
    iar : 00000000000F302C
    .i_sched+000030 twlti r0,6
    r0=0000000000000001
    
    (0)> symptom
    Instruction:
    PIDS/5765G0300 LVLS/530 PCSS/SPI1 MS/700 FLDS/i_sched
    VALU/d000009 FLDS/jas_recov VALU/10c
    
    (0)> status
    CPU TID TSLOT PID PSLOT PROC_NAME
    0 2E05D 46 21042 33 gil
    1 1680DB 360 8500C 133 topasrec
    2 1502B 21 E01C 14 wait
    3 1702F 23 F01E 15 wait
    4 18031 24 10020 16 wait
    5 19033 25 11022 17 wait
    

Problem conclusion

  • Correct structure pointer passed to i_sched().
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV03435

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2011-07-18

  • Closed date

    2011-07-18

  • Last modified date

    2013-04-16

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U840925

       UP11/10/20 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
16 April 2013