On Wed, May 29, 2013 at 07:32:48AM +1000, Dave Chinner wrote:
> On Tue, May 28, 2013 at 05:15:44PM -0400, Dave Jones wrote:
> > 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!
>
> Strange. I can't think of any reason outside a kernel problem for
> xfs_repair going into an uninterruptible sleep. Did it happen after
> the repair completed (i.e. after phase 7)? If so, then closing the
> block device might have tripped the same problem that fsck.ext2
> hit....
didn't even get that far. It opened the block dev, and then just sat there.
I left it for a few minutes before deciding it was hung.
And of course, this is an SSD, so there was no way I could tell if there
was any IO going on by sound/feel/lights.
Dave
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