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From: Robert White <rwhite@pobox.com>
To: Marc MERLIN <marc@merlins.org>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: hung task timer + btrfs_convert or btrfs balance = OOPS
Date: Wed, 23 Apr 2014 15:59:57 -0700	[thread overview]
Message-ID: <535845ED.9060000@pobox.com> (raw)
In-Reply-To: <20140423211238.GI26949@merlins.org>

On 04/23/2014 02:12 PM, Marc MERLIN wrote:
> On Wed, Apr 23, 2014 at 01:44:21PM -0700, Robert White wrote:
>> As it is, the two options are not happy together. Be sure to
>>
>> echo 0 > /proc/sys/kernel/hung_task_timeout_secs
>>
>> to disable the timer before doing a mount or balance after a
>
> But this only removes the messages from syslog, it doesn't actually
> fix/remove any hangs, unless I'm missing something.

All I know for sure is instant prompt return after the oops and trashed 
file system.

Maybe I have the cause and effect backwards and the btrfs_convert had 
some subtle fail that led to the delay coincidentally. With the drive 
trashed I assumed the oops was causative because I had to jump right on 
rebuilding the system.



-- Rob.

      reply	other threads:[~2014-04-23 23:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-23 20:44 hung task timer + btrfs_convert or btrfs balance = OOPS Robert White
2014-04-23 21:12 ` Marc MERLIN
2014-04-23 22:59   ` Robert White [this message]

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