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IZ81998: MACHINE CRASHED WHEN REMOVING A WPAR APPLIES TO AIX 6100-06

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

  • machine crashed when removing a wpar. the stack trace
    looks like
    ■0664B3B4nfs4_open_close+000114 (F1000A2834691510,
    0000000000000001, 0000000000000000 ■??)
    ■0664B788nfs4_open_close+0004E8 (??, ??, ??)
    ■065C4E9Cnfs4_close+00055C (??, ??, ??, ??)
    ■00607294vnop_close+000094 (??, ??, ??, ??)
    ■005F4888vno_close+000048 (??)
    ■005FB630closef+0000D0 (??)
    ■005FB6FCfp_close+00005C (??)
    ■007FE95Cld_unload2+00065C (??)
    ■007FE230ld_sla_purge+000090 (??, ??)
    ■007DC368ld_execload+001608 (??, ??, ??, ??)
    ■0046F514.execvex_common+0019F4 ()
    ■00472F9Cexecve+0000A8 ()
    ■0000386Covlya_addr_sc_flih_main+00014C ()
    
    where the thread is trying to access a memory region that's
    been freed.
    
    The xm output shows the memory got freed by nfs4_free_v4_si
    

Local fix

Problem summary

  • machine crashed when removing a wpar. the stack trace
    looks like
     0664B3B4 nfs4_open_close+000114 (F1000A2834691510,
    0000000000000001, 0000000000000000  ?? )
     0664B788 nfs4_open_close+0004E8 (??, ??, ??)
     065C4E9C nfs4_close+00055C (??, ??, ??, ??)
     00607294 vnop_close+000094 (??, ??, ??, ??)
     005F4888 vno_close+000048 (??)
     005FB630 closef+0000D0 (??)
     005FB6FC fp_close+00005C (??)
     007FE95C ld_unload2+00065C (??)
     007FE230 ld_sla_purge+000090 (??, ??)
     007DC368 ld_execload+001608 (??, ??, ??, ??)
     0046F514 .execvex_common+0019F4 ()
     00472F9C execve+0000A8 ()
     0000386C ovlya_addr_sc_flih_main+00014C ()
    
    where the thread is trying to access a memory region that's
    been freed.
    
    The xm output shows the memory got freed by nfs4_free_v4_si
    

Problem conclusion

  • if we are doing the mismatch cid close, don't free up the
    state info until we are done.
    

Temporary fix

Comments

  • 6100-06 - use AIX APAR IZ81380
    6100-06 - use AIX APAR IZ81998
    7100-00 - use AIX APAR IZ84192
    

APAR Information

  • APAR number

    IZ81998

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2010-08-09

  • Closed date

    2010-08-09

  • Last modified date

    2013-03-29

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

    IZ81380

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

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U835918

       UP11/05/10 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
29 March 2013