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

From: Bastien ROUCARIES
Date: Mon Sep 09 2013 - 06:48:20 EST


On Mon, Sep 9, 2013 at 11:48 AM, NeilBrown <neilb@xxxxxxx> wrote:
> On Mon, 9 Sep 2013 10:58:12 +0200 Bastien ROUCARIES
> <roucaries.bastien@xxxxxxxxx> 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@xxxxxxxxxx, 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/