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SubjectRe: xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mutex-debug.c:80/debug_mutex_unlock()
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 =)

> 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 xfs@oss.sgi.com 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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