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Date: Mon, 2 Apr 2012 17:26:08 -0400
From: Chris Mason <chris.mason@oracle.com>
To: Dave Jones <davej@redhat.com>, Linux Kernel <linux-kernel@vger.kernel.org>,
        linux-btrfs@vger.kernel.org
Subject: Re: btrfs io errors on 3.4rc1
Message-ID: <20120402212608.GA14958@shiny.msi.event>
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On Mon, Apr 02, 2012 at 05:16:22PM -0400, Dave Jones wrote:
> On Mon, Apr 02, 2012 at 03:48:14PM -0400, Chris Mason wrote:
>  > On Mon, Apr 02, 2012 at 02:02:14PM -0400, Dave Jones wrote:
>  > > Updated to rc1 this morning, and my machines with btrfs are all freaking out..
>  > > 
>  > > I got this from my cron email ..
>  > > 
>  > > /etc/cron.daily/prelink: line 41: /var/lib/prelink/full: Input/output error
>  > > cp: cannot create regular file `/var/lib/prelink/quick': Input/output error
>  > > /etc/cron.daily/prelink: line 45: /var/log/prelink/prelink.log: Input/output error
>  > 
>  > That's not good.  Can you please try my for-linus branch against 3.3?
>  > That will rules out all the shiny new btrfs code.
>  > 
>  > git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git for-linus
>  > 
>  > -chris
> 
> Broken.
> 
> (17:14:52:davej@dhcp-189-232:~)$ fsx foo
> truncating to largest ever: 0x13e76
> truncating to largest ever: 0x2e52c
> ftruncate1: 2e52c
> dotruncate: ftruncate: Input/output error
> Segmentation fault (core dumped)

Huh.  x86-32 or x86-64?  I know you said there were no interesting
messages, but could you please send the messages you did get?

-chris