linux-kernel - Re: ext3 on latest -git: BUG: unable to handle kernel NULL pointer dereference at 0000000c

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Date:	Thu, 17 Jul 2008 10:16:55 -0400
From:	Josef Bacik <jbacik@...hat.com>
To:	Vegard Nossum <vegard.nossum@...il.com>
Cc:	Josef Bacik <jbacik@...hat.com>,
	Josef Bacik <josef@...icpanda.com>, linux-ext4@...r.kernel.org,
	sct@...hat.com, akpm@...ux-foundation.org, adilger@....com,
	Johannes Weiner <hannes@...urebad.de>,
	linux-kernel@...r.kernel.org
Subject: Re: ext3 on latest -git: BUG: unable to handle kernel NULL pointer
	dereference at 0000000c

On Thu, Jul 17, 2008 at 04:35:16PM +0200, Vegard Nossum wrote:
> On Thu, Jul 17, 2008 at 4:13 PM, Josef Bacik <jbacik@...hat.com> wrote:
> > On Thu, Jul 17, 2008 at 04:25:49PM +0200, Vegard Nossum wrote:
> >> On Thu, Jul 17, 2008 at 3:57 PM, Josef Bacik <jbacik@...hat.com> wrote:
> >> > Can you try this patch out and see if it fixes the problem?  I didn't compile
> >> > test it, so you may need to tweak somethings, but it should work.  Thanks,
> >> >
> >> > Signed-off-by: Josef Bacik <jbacik@...hat.com>
> >>
> >> Nope, seems to be the same problem:
> >>
> >> kjournald starting.  Commit interval 5 seconds
> >> EXT3-fs warning: mounting fs with errors, running e2fsck is recommended
> >> EXT3 FS on loop0, internal journal
> >> EXT3-fs: mounted filesystem with ordered data mode.
> >> EXT3-fs error (device loop0): ext3_free_blocks: Freeing blocks in
> >> system zones - Block = 16, count = 1
> >> EXT3-fs error (device loop0): ext3_free_blocks: Freeing blocks in
> >> system zones - Block = 32, count = 1
> >> EXT3-fs error (device loop0): ext3_free_blocks: Freeing blocks not in
> >> datazone - block = 262144, count = 1
> >> BUG: unable to handle kernel NULL pointer dereference at 0000000c
> >> IP: [<c01fd210>] journal_dirty_metadata+0xa0/0x160
> >>
> >> Full log at http://folk.uio.no/vegardno/linux/log-1216304953.txt
> >>
> >>
> >
> > Ok, this should do it then.  Thanks,
> 
> Hm, it doesn't apply. Should I revert the previous patch?
>

Yeah sorry about that.

Josef 
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