linux-kernel - Re: [2.6.33-rc2] kernel BUG at fs/ext4/inode.c:1063!

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Message-Id: <201001040814.07013.tvrtko@ursulin.net>
Date:	Mon, 4 Jan 2010 08:14:06 +0000
From:	Tvrtko Ursulin <tvrtko@...ulin.net>
To:	tytso@....edu
Cc:	linux-ext4@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [2.6.33-rc2] kernel BUG at fs/ext4/inode.c:1063!

On Monday 04 Jan 2010 01:08:36 tytso@....edu wrote:
> On Sun, Jan 03, 2010 at 04:38:57PM +0000, Tvrtko Ursulin wrote:
> > As much as it was visible, all writeout stopped after this happened so I
> > could only capture it with the camera. Please see the attachment.
> 
> This is a known bug.  The the latest mainline version of Linux (I
> think 2.6.33-rc2-git4 includes the necessary patch) will no longer
> BUG.  There are two more patches which I'm about to push to Linus that
> are necessary to fix up a typo and some potential undesirable side
> effects of the initial fix of the problem.  If you want to get all of
> the fixes, pull in the changes from:
> 
>         git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git
>  for_linus

Was it triggered by no free space? Later I realised that may be what happened 
when this triggered. I was writing out a large file which may filled the 
filesystem. After reboot file in question had zero size, due to journal replay I 
think, but given the amount of free space on the filesystem I think it might 
have used all space while writing out.

If this is related I will wait for -rc3 and just make sure I don't run out of 
space. :) (So far I avoided starting to build git trees etc)

Tvrtko
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