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




Le 9 sept. 2013 12:48, "Bastien ROUCARIES" <roucaries bastien gmail com> a écrit :
>
> On Mon, Sep 9, 2013 at 11:48 AM, NeilBrown <neilb suse de> wrote:
> > On Mon, 9 Sep 2013 10:58:12 +0200 Bastien ROUCARIES
> > <roucaries bastien gmail 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).

Do you need some trace ? It is fairly reproducible.

Bastien


> >>
> >> 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 redhat 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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