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

From: NeilBrown
Date: Mon Sep 09 2013 - 05:48:46 EST


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.

NeilBrown

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