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From: Kees Cook <keescook@chromium.org>
To: Sander Eikelenboom <linux@eikelenboom.it>
Cc: "Ted Ts'o" <tytso@mit.edu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	dm-devel@redhat.com, linux-ext4@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: EXT4-fs error (device dm-42): ext4_mb_generate_buddy:741: group 1904, 32254 clusters in bitmap, 32258 in gd
Date: Mon, 4 Jun 2012 17:03:56 -0700	[thread overview]
Message-ID: <20120605000356.GM29466@outflux.net> (raw)
In-Reply-To: <471046920.20120604234941@eikelenboom.it>

Hi,

On Mon, Jun 04, 2012 at 11:49:41PM +0200, Sander Eikelenboom wrote:
> I have enabled some debug options, this is from around when the error occurs (kernel: [  950.610126] EXT4-fs error (device dm-42): ext4_mb_generate_buddy:741: group 1699, 32254 clusters in bitmap, 32258 in gd)

Today I've finally managed to bisect this to here:
[fd034a84e1ea5c8c8d159cd2089c32e792c269b0] ext4: split out ext4_free_blocks_after_init()

If I revert all the "ext4:" patches in 3.2 up to and including that one,
I get normal behavior again.

-Kees

-- 
Kees Cook
ChromeOS Security

  parent reply	other threads:[~2012-06-05  0:04 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-04 21:49 EXT4-fs error (device dm-42): ext4_mb_generate_buddy:741: group 1904, 32254 clusters in bitmap, 32258 in gd Sander Eikelenboom
2012-06-04 22:26 ` Ted Ts'o
2012-06-05  0:03 ` Kees Cook [this message]
2012-06-05 20:41   ` Sander Eikelenboom
2012-06-05 21:08     ` Ted Ts'o
2012-06-05 21:35       ` Sander Eikelenboom
2012-06-06  7:01       ` Sander Eikelenboom
2012-06-06 14:32         ` Kees Cook
2012-06-06 14:40           ` Sander Eikelenboom
2012-06-07  4:27             ` Ted Ts'o
2012-06-07 22:27               ` [dm-devel] " djwong
2012-06-07 22:40                 ` Kees Cook
2012-06-07 22:54                   ` Ted Ts'o
2012-06-07 23:38                     ` Kees Cook
2012-06-08  4:43                       ` Andreas Dilger
2012-06-05 23:37     ` Andi Kleen
     [not found] <17610219749.20120604192048@eikelenboom.it>
2012-06-04 23:04 ` Ted Ts'o
2012-06-05  6:56   ` Sander Eikelenboom

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