IBM Support

IV54870: CRASH IN PAGERUNBIND WHILE FORCE UNMOUNTING A DEGRADED FS

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as fixed if next.

Error description

  • When a force unmount is done on a degraded file system
    the
    system might crash with following stack:
    
    [0038D1C0]pagerUnbind@AF66_41+000060 (F1000A038
       0000000000000003, F1000A02003D1BB8 [??])
    [00188E90]iRecycle+000070 (??, ??, ??)
    [00185894]iUnmount+0002F4 (??, ??, ??)
    [003F437C]umount_fs_degraded+00025C (??, ??)
    [003F5960]j2_umount+000160 (??, ??, ??)
    [005C98AC]vfs_unmount+00008C (??, ??, ??)
    [00662798]kunmount+000218 (??, ??, ??)
    [00662E88]uvmount+000208 (??, ??)
    

Local fix

  • There is no local fix but problem looks to be pretty rare
    since there is a small window for error to occur.
    

Problem summary

  •  0038D1C0 pagerUnbind@AF66_41+000060 (F1000A038
       0000000000000003, F1000A02003D1BB8  ?? )
     00188E90 iRecycle+000070 (??, ??, ??)
     00185894 iUnmount+0002F4 (??, ??, ??)
     003F437C umount_fs_degraded+00025C (??, ??)
     003F5960 j2_umount+000160 (??, ??, ??)
     005C98AC vfs_unmount+00008C (??, ??, ??)
     00662798 kunmount+000218 (??, ??, ??)
     00662E88 uvmount+000208 (??, ??)
    

Problem conclusion

Temporary fix

Comments

  • This APAR is being closed FIN. This means that a solution to
    this APAR is expected to be delivered from IBM in a release
    (if any) to be available within the next 24 months.
    

APAR Information

  • APAR number

    IV54870

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED FIN

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-01-31

  • Closed date

    2014-11-12

  • Last modified date

    2015-02-26

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY

       UP



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV54870

Modified date: 26 February 2015