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From: Chris Mason <clm@fb.com>
To: Piotr Szymaniak <szarpaj@grubelek.pl>
Cc: Govindarajulu Varadarajan <_govind@gmx.com>,
	<linux-btrfs@vger.kernel.org>, <linux-nfs@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <jbacik@fb.com>,
	<dsterba@suse.cz>
Subject: Re: btrfs: kernel BUG at mm/page-writeback.c:2286!
Date: Tue, 19 May 2015 10:44:30 -0400	[thread overview]
Message-ID: <555B4C4E.2020403@fb.com> (raw)
In-Reply-To: <20150519135416.GO2539@wloczykij>

On 05/19/2015 09:54 AM, Piotr Szymaniak wrote:
> On Tue, May 19, 2015 at 09:43:10AM -0400, Chris Mason wrote:
>> On 05/19/2015 03:55 AM, Govindarajulu Varadarajan wrote:
>>> 2286--->BUG_ON(!PageLocked(page));
>>>
>>> [  166.769868] BTRFS info (device sdf): no csum found for inode 1154
>>> start 43192320
>>> [  166.774334] BTRFS info (device sdf): csum failed ino 1154 extent
>>> 4434247680 csum 1388825687 wanted 0 mirror 0
>>
>>
>> Josef and I both missed this the first time you pasted it, but the
>> unlocked page is almost certainly related to this csum error.  While
>> we're looking at things can you please scrub?

Josef and I just read through all of this, and I'm not finding a way to
connect the crc error to the BUG_ON.  Do all kernels crash like this, or
was it just 4.1-rc?

-chris



  reply	other threads:[~2015-05-19 14:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-19  7:55 btrfs: kernel BUG at mm/page-writeback.c:2286! Govindarajulu Varadarajan
2015-05-19 13:00 ` Duncan
2015-05-19 13:32 ` Josef Bacik
2015-05-21  8:39   ` Govindarajulu Varadarajan
2015-05-19 13:43 ` Chris Mason
2015-05-19 13:54   ` Piotr Szymaniak
2015-05-19 14:44     ` Chris Mason [this message]
2015-05-21  8:36       ` Govindarajulu Varadarajan
2015-05-21  8:33     ` Govindarajulu Varadarajan

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