From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Mason <chris.mason@oracle.com>
Subject: Re: Music-files suddenly not recognized anymore, empty files -
 Btrfschk reports errors
Date: Sat, 12 Jun 2010 18:39:16 -0400
Message-ID: <20100612223916.GM3018@think>
References: <AANLkTim4wf0p5KP29Usd8cp6YOQzR3oiqpPTFl1NoVTP@mail.gmail.com>
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Cc: linux-btrfs@vger.kernel.org
To: Clemens Eisserer <linuxhippy@gmail.com>
Return-path: <linux-btrfs-owner@vger.kernel.org>
In-Reply-To: <AANLkTim4wf0p5KP29Usd8cp6YOQzR3oiqpPTFl1NoVTP@mail.gmail.com>
List-ID: <linux-btrfs.vger.kernel.org>

On Sat, Jun 12, 2010 at 10:40:53PM +0200, Clemens Eisserer wrote:
> Hi,
> 
> Recently Amarok started to reject some of music files.
> Some files seem to be simply corrupted (mplayer is still able to play
> them), other have zero length.
> 
> Btrfsck reports:
> root 5 inode 1371 errors 400
> found 42498768896 bytes used err is 1
> total csum bytes: 41015664
> total tree bytes: 498728960
> total fs tree bytes: 406466560
> btree space waste bytes: 110792472
> file data blocks allocated: 271306133504
>  referenced 46886879232
> Btrfs Btrfs v0.19
> 

These errors are non-fatal, which kernel are you running?  Do you have
any btrfs related kernel messages?

Did the system crash at all?

-chris