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SubjectRe: kernel BUG at fs/btrfs/delayed-inode.c:1466!
From
2012/3/9 Jacek Luczak <difrost.kernel@gmail.com>:
> 2012/3/9 David Sterba <dave@jikos.cz>:
>> On Fri, Mar 09, 2012 at 12:08:12PM +0100, Jacek Luczak wrote:
>>> For this one I've created also a report [1].
>>> >
>>> > so there is probably other problem in reservations and it just blew up during
>>> > the unlink call.
>>>
>>> Could be as this came up after a longer time of throwing above WARN_ON.
>>>
>>> I'm now cloning the Linus tree. Lets see if both will pop up on there.
>>
>> The 3.3-rc6 should help in one case, with
>>
>> http://thread.gmane.org/gmane.comp.file-systems.btrfs/15268
>>
>> but I was able to reproduce the WARN_ON even with this patch, didn't get
>> to debugging it again yet.
>
> Those two issues go inline. After a longer while of WARN_ON the BUG_ON
> hit again.

One more observation. Host is running builds from CI system. After
BUG_ON pop up all builds take 50% more time to complete. Also I see
that current load average stall at value of 7 even if host is
completely idle.

-Jacek


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