Re: 3.10-rc3 xfs mount/recovery failure & ext fsck hang.

Dave Jones
2013-05-28T21:15:54Z

On Wed, May 29, 2013 at 07:10:12AM +1000, Dave Chinner wrote:
> On Tue, May 28, 2013 at 12:12:30PM -0400, Dave Jones wrote:
> > box crashed, and needed rebooting. On next bootup, when it found the dirty partition,
> > xfs chose to spew and then hang instead of replaying the journal and mounting :(
> >
> > [ 14.694731] SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, debug enabled
> > [ 14.722328] XFS (sda2): Mounting Filesystem
> > [ 14.757801] XFS (sda2): Starting recovery (logdev: internal)
> > [ 14.782049] XFS: Assertion failed: fs_is_ok, file: fs/xfs/xfs_dir2_data.c, line: 169
>
> A directory block has an entry that is not in the hash index.
> Either there's an underlying corruption on disk, or there's an
> inconsistency in what has been logged and so an entire change has
> not been replayed. Hence the post recovery verification has thrown a
> corruption error....
>
> If you haven't already repaired the filesystem, can you send me a
> metadump of the filesystem in question?

Sorry, too late. If I can repro, I'll do so next time.
FYI, I ran xfs_repair and it just hung. Wouldn't even answer ctrl-c.
Rebooted, and then it mounted and recovered just fine!

> > [ 40.642521] BUG: soft lockup - CPU#0 stuck for 22s! [fsck.ext2:294]
>
> I'm not sure what this has to do with the XFS problem - it's
> apparently stuck in invalidate_bh_lrus() walking a CPU mask....

there for completion, it was sandwiched between the other xfs bits :)

Dave