linux-kernel - Re: [3.10.7] Reproductible soft lockup, recover but freeze even the mouse

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Date:	Mon, 9 Sep 2013 12:48:15 +0200
From:	Bastien ROUCARIES <roucaries.bastien@...il.com>
To:	dm-devel@...hat.com
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Theodore Ts'o" <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>
Subject: Re: [3.10.7] Reproductible soft lockup, recover but freeze even the mouse

On Mon, Sep 9, 2013 at 11:48 AM, NeilBrown <neilb@...e.de> wrote:
> On Mon, 9 Sep 2013 10:58:12 +0200 Bastien ROUCARIES
> <roucaries.bastien@...il.com> wrote:
>
>> Hi,
>>
>> I experiment a soft lockup. during 20 s I have no mouse, could not
>> switch back to console and so on.
>>
>> I achieve to get a backtrace by echo 15 >
>> /proc/sys/kernel/hung_task_timeout_secs
>>
>> Seems file system related (hdd led is on).
>>
>> My filesystems are ext4 over raid0 so add some cc
>
> Appears to be "dm" raid0 rather than "md" raid0 - so not my area.
> May help to include dm-devel@...hat.com, and maybe include a description of
> the dm configuration.  e.g. "dmsetup table" output.

dmsetup  table
VOL-ROOT: 0 195305472 linear 9:1 2048
VOL-HOME: 0 1562501120 linear 9:1 195307520

>
> NeilBrown
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