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Re: Assertion failure in do_get_write_access() at transaction.c:609:



Hi,

On Tue, May 14, 2002 at 10:58:42AM +0100, Richard Kimber wrote:
> On Mon, 13 May 2002 15:06:48 +1000 (EST)
> Neil Brown <neilb cse unsw edu au> wrote:
> 
> > I just got bitten by this Assertion.   The one that starts as in the
> > subject, and ends with:
> >     "!(((jh2bh(jh))->b_state & (1UL << BH_Lock)) != 0)"
> 
> After getting one of these, when using rsync to a PD drive, the device
> could not be unmounted.  After re-booting I did e2fsck /dev/sdb5 and got:
> 
> e2fsck 1.24a (02-Sep-2001)
> backup: recovering journal
> backup: Attempt to read block from filesystem resulted in short read while
> reading block 1331
> 
> JFS: Failed to read block at offset 813
> JFS: IO error -5 recovering block 813 in log
> e2fsck: Input/output error while recovering ext3 journal of backup
> 
> What should my next step be?

Looks like you've got a bad block in the journal itself --- that's bad
news.  We should really try to recover from this in e2fsck, but
there's really nothing that the kernel can do --- an unrecoverable
journal means that a full fsck is absolutely necessary.

For now, try removing the journal and fsck'ing:

	tune2fs -O ^has_journal

should do the trick.

Cheers,
 Stephen





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