Re: btrfs: kernel BUG at mm/page-writeback.c:2286!

[Chris Mason]

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


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