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    SubjectRe: xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mutex-debug.c:80/debug_mutex_unlock()
    Sami Farin wrote:
    > On Mon, Jan 08, 2007 at 08:37:34 +1100, David Chinner wrote:
    > ...
    >>> fstab was there just fine after -u.
    >> Oh, that still hasn't been fixed?
    > Looked like it =)

    Hm, it was proposed upstream a while ago:

    I guess it got lost?


    >> Generic bug, not XFS - the global
    >> semaphore->mutex cleanup converted the bd_mount_sem to a mutex, and
    >> mutexes complain loudly when a the process unlocking the mutex is
    >> not the process that locked it.
    >> Basically, the generic code is broken - the bd_mount_mutex needs to
    >> be reverted back to a semaphore because it is locked and unlocked
    >> by different processes. The following patch does this....
    >> BTW, Sami, can you cc on XFS bug reports in future;
    >> you'll get more XFS savvy eyes there.....
    > Forgot to.
    > Thanks for patch. It fixed the issue, no more warnings.
    > BTW. the fix is not in 2.6.git, either.

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      Last update: 2007-01-08 17:43    [W:0.022 / U:5.416 seconds]
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