linux-ext4 - Re: ext3 on latest -git: BUG: unable to handle kernel NULL pointer dereference at 0000000c

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Date:	Fri, 18 Jul 2008 13:58:15 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Josef Bacik" <jbacik@...hat.com>
Cc:	"Andreas Dilger" <adilger@....com>,
	"Josef Bacik" <josef@...icpanda.com>, linux-ext4@...r.kernel.org,
	sct@...hat.com, akpm@...ux-foundation.org,
	"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 Fri, Jul 18, 2008 at 1:20 PM, Josef Bacik <jbacik@...hat.com> wrote:
>> You can see the full log at
>> http://folk.uio.no/vegardno/linux/log-1216380709.txt which shows that
>> it already survived a lot of failures, so I'm guessing your patch was
>> correct and we just hit a different case. What do you think?
>>
>
> Yeah you are right, its like a shitty game of wack-a-mole.  Heres another patch,
> same thing as last time, pull the other one out put this one on.  Thanks,

It seems to hold up -- no stacktraces, but lots of IO failures.

I would leave it in testing for a bit more, but I've got to run; I'll
give it another go when I get home.

You may see the log so far: http://folk.uio.no/vegardno/linux/log-1216382128.txt


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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