LOR: ufs vs bufwait

Peter Jeremy peterjeremy at acm.org
Mon May 10 06:11:02 UTC 2010


On 2010-May-08 12:20:05 +0200, Ulrich Spörlein <uqs at spoerlein.net> wrote:
>This LOR also is not yet listed on the LOR page, so I guess it's rather
>new. I do use SUJ.
>
>lock order reversal:
> 1st 0xc48388d8 ufs (ufs) @ /usr/src/sys/kern/vfs_lookup.c:502
> 2nd 0xec0fe304 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_softdep.c:11363
> 3rd 0xc49e56b8 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2091

I'm seeing exactly the same LOR (and subsequent deadlock) on a recent
-current without SUJ.

-- 
Peter Jeremy
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