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IV20864: CRASH IN HEA_MODIFY_PORT DUE TO MEMORY MIGRATION APPLIES TO AIX 6100-07

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

  • system crash with the following stacktrace:
    
    CRASH INFORMATION:
    CPU 3 CSA F1000415800ABD00 at time of crash, error code
    for LEDs:
    70000000
    pvthread+004500 STACK:
    [0001AD40]abend_trap+000000 ()
    [0048CB34]slock+000794 (??, ??)
    [00009558].simple_lock+000058 ()
    [044B7590]hea_modify_port+000130 (??, ??, ??)
    [044B2A84]hea_chg_macaddr+000104 (??, ??, ??)
    [044B6DE0]hea_ctl+000DC0 (??, ??, ??, ??)
    [F1000000A0427FB0]ethchan_swap_channel+0002F0 (??, ??)
    [F1000000A0428480]ethchan_initiate_failover+000080 (??,
    ??)
    [F1000000A0429EA0]ethchan_null_receive_func+000280 (??,
    ??)
    [00014D70].hkey_legacy_gate+00004C ()
    [044D73EC]rx_handler+000FEC (??, ??, ??)
    [044DAC28]hea_eq_intr+0002C8 (??)
    [0023BE0C]i_poll_soft+00012C (??)
    [0023B780]i_softmod+000460 ()
    [0013032C]flih_util+00024C ()
    ____ Exception (F1000415800AFD00)
    iar   : 0000000000009420  msr   : 8000000000009032  cr
    : 84284822
    lr    : 0000000000121C0C  ctr   : 00000000044DFCE0  xer
    : 00000020
    mq    : 00000000  asr   : FFFFFFFFFFFFFFFF  amr   :
    F3F0000000000000
    r0  : 0000000000000020  r1  : F1000415800AFA00  r2  :
    00000000028E41
    r3  : 000000000000000A  r4  : F10006001006FDC0  r5  :
    F10006001AF8FF
    r6  : 0000000000000000  r7  : 0000000000000000  r8  :
    F10006001AF878
    r9  : 0000000000000004  r10 : F1000415800AFD00  r11 :
    00000000029560
    r12 : FFFFFFFFFFFFFFFF  r13 : F10006001B815400  r14 :
    80000000000010
    r15 : 0000000000000001  r16 : 000000000000000A  r17 :
    00000000033C12
    r18 : 0000000000000001  r19 : 8000000000001032  r20 :
    00000000020140
    r21 : 0000000002031100  r22 : 0000000000000001  r23 :
    00000000000059
    r24 : F20080003084D800  r25 : F200800030000000  r26 :
    00000000000162
    r27 : 000000000008A030  r28 : FFFFFFFFFFFFFF7F  r29 :
    00000000000070
    r30 : F2008000333C1200  r31 : 0000000000000000
    
    prev      F00000002FF47600 stackfix  0000000000000000
    int_ticks 0FFF
    cfar      000000000007E4A8
    kjmpbuf   0000000000000000 excbranch 0000000000000000
    no_pfault 00
    intpri    0A               backt     00
    flags     00
    hw_fru_id 00000000         hw_cpu_id 00000001
    fpscr     0000000000000000 fpscrx    00000000
    fpowner   00
    fpeu      00               fpinfo    00
    alloc     F000
    o_iar     0000000000000000 o_toc     0000000000000000
    o_arg1    0000000000000000 o_vaddr   0000000000000000
    krlockp   0000000000000000 rmgrwa    0000000000000000
    amrstackhigh  F10004158162BFF0 amrstacklow
    F10004158162B000
    amrstackcur   F10004158162BFF0 amrstackfix
    0000000000000000
    kstackhigh    0000000000000000 kstacksize    00000000
    frrstart  700DFEED00000000 frrend    700DFEED00000000
    frrcur    700DFEED00000000 frrstatic 0000 kjmpfrroff 0000
    frrovcnt  0000 frrbarrcnt 0000 frrmask 00 callrmgr 00
    Except :
    excp_type 00000000
     ex[0] 0000000000000000 ex[1] 0000000000000000
     ex[2] 0000000000000000 ex[3] 0000000000000000 ex[4]
    000000000000000
    [00009420].unlock_enable_mem+000114 ()
    [00121C08]v_migrate_page_dr+000388 (??, ??, ??, ??, ??,
    ??, ??)
    [00124308]v_migrate_dr+000488 (??, ??)
    [000B929C].backt+000100 ()
    ____ Exception (F00000002FF47600)
    iar   : 00000000000B919C  msr   : 8000000000001032  cr
    : 22282882
    lr    : 00000000000BA1AC  ctr   : 00000000001D02E0  xer
    : 20000020
    mq    : DEADBEEF  asr   : FFFFFFFFFFFFFFFF  amr   :
    F3F0000000000000
    r0  : 0000000000123E80  r1  : F00000002FF47040  r2  :
    00000000028E41
    r3  : 00000000021821E0  r4  : F00000002FF47130  r5  :
    F2008000333C12
    r6  : 00000000033C1200  r7  : F00000002FF47600  r8  :
    00000000000001
    r9  : 0000000000000000  r10 : 00000000000BA1AC  r11 :
    F00000002FF476
    r12 : 8000000000001032  r13 : F10006001B815400  r14 :
    00000000000028
    r15 : 0000000002956000  r16 : 00000000200069E4  r17 :
    00000000200069
    r18 : 0000000000000000  r19 : 0000000000000000  r20 :
    F10006A0008302
    r21 : 0000000000000000  r22 : 0000000000000000  r23 :
    00000000020140
    r24 : 0000000000000001  r25 : 0000000000817538  r26 :
    F1000800097A90
    r27 : F200800030000000  r28 : 00000000020A95C8  r29 :
    00000000000080
    r30 : 000000000008FFFF  r31 : F00000002FF47600
    
    prev      0000000000000000 stackfix  0000000000000000
    int_ticks 0000
    cfar      000000000007E4A8
    kjmpbuf   0000000000000000 excbranch 00000000000B9398
    no_pfault 00
    intpri    0B               backt     00
    flags     00
    hw_fru_id 00000000         hw_cpu_id 00000001
    fpscr     0000000000000000 fpscrx    00000000
    fpowner   00
    fpeu      01               fpinfo    00
    alloc     F000
    o_iar     000000000000F460 o_toc     00000000028E41B8
    o_arg1    FFFFF0000FF45FE8 o_vaddr   0000000000000000
    krlockp   0000000000000000 rmgrwa    0000000000000000
    amrstackhigh  F00000002FFCCFF0 amrstacklow
    F00000002FFCC000
    amrstackcur   F00000002FFCCFF0 amrstackfix
    0000000000000000
    kstackhigh    0000000000000000 kstacksize    00000000
    frrstart  700DFEED00000000 frrend    700DFEED00000000
    frrcur    700DFEED00000000 frrstatic 0000 kjmpfrroff 0000
    frrovcnt  0000 frrbarrcnt 0000 frrmask 00 callrmgr 00
    Except :
    excp_type 00000106  EXCEPT_DSI
     orgea 0000000000000000 dsisr 0000000040000000  bit set:
    DSISR_PFT
     vmh   0000000006900510 curea F100069000BD0000 pftyp
    000000000000010
    [000B919C].backt+000000 ()
    [000BA1A8].vcs_migrate_dr_excp+000020 (??, ??)
    [0017A9F4]vm_migrate_dr@AF208_58+000274 (??, ??, ??, ??,
    ??, ??)
    [00175130]vm_migrate_dr+000050 (??)
    [00175BE0]vm_rmmem_com+000120 (??)
    [001799C8]rmlmb_kernel+0001A8 (??, ??)
    [00625A44]dr_callout+000064 (??, ??, ??)
    [006250B8]kernel_notify+000038 (??, ??)
    [00626D28]_dr_notify+000348 (??, ??, ??, ??)
    [00003844].svc_instr+000144 ()
    [kdb_get_virtual_memory] no real storage @ 2FF22B40
    (3)>
    

Local fix

Problem summary

  • System may crash while etherchannel issues HEA ioctl in
    interrupt context.
    

Problem conclusion

  • Etherchannel code is modified to issue all HEA ioctl in kproc
    when in interrupt context.
    

Temporary fix

Comments

  • 5300-12 - use AIX APAR IV32193
    6100-06 - use AIX APAR IZ61454
    6100-07 - use AIX APAR IV20864
    

APAR Information

  • APAR number

    IV20864

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2012-05-09

  • Closed date

    2012-10-12

  • Last modified date

    2013-04-10

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

    IZ61454

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

    IV32193 IV35231

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U854632

       UP13/03/22 I 1000

PTF to Fileset Mapping

[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSAUMY","label":"IBM AIX Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11Q","label":"AIX 6.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
10 April 2013