Le 9 sept. 2013 12:48, "Bastien ROUCARIES" <<a href="mailto:roucaries.bastien@gmail.com">roucaries.bastien@gmail.com</a>> a écrit : > > On Mon, Sep 9, 2013 at 11:48 AM, NeilBrown <<a href="mailto:neilb@suse.de">neilb@suse.de</a>> wrote: > > On Mon, 9 Sep 2013 10:58:12 +0200 Bastien ROUCARIES > > <<a href="mailto:roucaries.bastien@gmail.com">roucaries.bastien@gmail.com</a>> 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 <a href="mailto:dm-devel@redhat.com">dm-devel@redhat.com</a>, 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