On Wed, 2009-04-29 at 12:04 -0400, Marc R. O'Connor wrote:
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> full file-item.c attached
>
> Chris Mason wrote:
> > On Tue, 2009-04-28 at 13:39 -0400, Marc R. O'Connor wrote:
> >> I have had two 'kernel bug' issues today both referencing file-item.c.
> >> The first oops happened when i was cp'ing from and external HD(ext3) to
> >> and ext3 partition. The second happened during boot up. I have attached
> >> them both.
> >>
> >> Im using btrfs that was merged into my kernel yesterday.
> >>
> >> plain text document attachment (btrfs_bug_1)
> >> Apr 28 10:55:10 cosmo2 ------------[ cut here ]------------
> >> Apr 28 10:55:10 cosmo2 kernel BUG at fs/btrfs/file-item.c:494!
> >
> > Well, I think I see the bug. It looks like we want to do
> >
> > - if (key->offset < bytenr && csum_end <= end_byte) {
> > + if (key->offset <= bytenr && csum_end <= end_byte) {
> >
> > in truncate_one_csum. But I need to test that here for a bit and send
> > you a patch.
Ok, line 494 is actually this one ;)
key->offset = end_byte;
ret = btrfs_set_item_key_safe(trans, root, path, key);
BUG_ON(ret); <---- 494
Which means we're finding things out of order in the btree leaf.
Could you please run btrfsck on this filesystem?
-chris
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