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From: Chris Mason <chris.mason@oracle.com>
To: Jim Schutt <jaschut@sandia.gov>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: kernel BUG at fs/btrfs/extent_io.c:3982!
Date: Tue, 10 Apr 2012 16:24:40 -0400	[thread overview]
Message-ID: <20120410202440.GZ29506@shiny> (raw)
In-Reply-To: <4F848C62.6030100@sandia.gov>

On Tue, Apr 10, 2012 at 01:39:14PM -0600, Jim Schutt wrote:
> Hi,
> 
> I hit this BUG today.
> 
> I'm running 3.3.1 merged with the ceph and btrfs bits for 3.4,
> i.e. 3.3.1 +
>   commit bc3f116fec194 "Btrfs: update the checks for mixed block groups with big metadata blocks"
>   commit c666601a935b9 "rbd: move snap_rwsem to the device, rename to header_rwsem"
> 
> The btrfs filesystem in question is backing a Ceph OSD under
> a heavy write load.
> 
> Here's the bug:
> 
> [510342.517157] ------------[ cut here ]------------
> [510342.521855] kernel BUG at fs/btrfs/extent_io.c:3982!

Could you please confirm that line number is this BUG_ON()

        BUG_ON(extent_buffer_under_io(eb));

Josef has a theory on this one, but I want to make sure we're chasing
the right thing.

-chris

  reply	other threads:[~2012-04-10 20:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-10 19:39 kernel BUG at fs/btrfs/extent_io.c:3982! Jim Schutt
2012-04-10 20:24 ` Chris Mason [this message]
2012-04-10 20:32   ` Jim Schutt
2012-04-11 19:09 ` Josef Bacik
2012-04-11 20:24   ` Jim Schutt
2012-04-11 20:28     ` Josef Bacik
2012-04-11 21:39       ` Jim Schutt
2012-04-12  0:29         ` Chris Mason
2012-05-01 16:00     ` Josef Bacik
2012-05-01 16:41       ` Jim Schutt
2012-05-03 14:43         ` Jim Schutt
2012-05-03 14:53           ` Josef Bacik
2012-05-03 15:46             ` [EXTERNAL] " Jim Schutt
2012-05-03 15:53               ` Josef Bacik

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