linux-kernel - Re: EXT4-fs error (device dm-42): ext4_mb_generate_buddy:741: group 1904, 32254 clusters in bitmap, 32258 in gd

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Message-ID: <m2aa0hjpod.fsf@firstfloor.org>
Date:	Tue, 05 Jun 2012 16:37:38 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Sander Eikelenboom <linux@...elenboom.it>
Cc:	Kees Cook <keescook@...omium.org>, "Ted Ts'o" <tytso@....edu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	<dm-devel@...hat.com>, <linux-ext4@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: EXT4-fs error (device dm-42): ext4_mb_generate_buddy:741: group 1904, 32254 clusters in bitmap, 32258 in gd

Sander Eikelenboom <linux@...elenboom.it> writes:
>
> Hmm that seems consistent with this report which mentions 3.1.5 as last working kernel:
> http://comments.gmane.org/gmane.comp.file-systems.ext4/30575
>
> So somehow this only effects ext4 on DM (it's THE common factor in all reports) and fsck seems incapable of seeing the error (and thus repair it.)

I have a system that throws this error all the time and it's not using
DM.

-Andi
-- 
ak@...ux.intel.com -- Speaking for myself only
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