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

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Message-ID: <19f34abd0807170735p5d2cba31kec3fb65c5b8c7b3f@mail.gmail.com>
Date:	Thu, 17 Jul 2008 16:35:16 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Josef Bacik" <jbacik@...hat.com>
Cc:	"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 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?


Vegard

-- 
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
	-- E. W. Dijkstra, EWD1036
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