Comment 96 for bug 1167624

hi all, I had no freeze for a month but recently, i got freezes again ... not as often as before, but still ...
Once I tried to switch to console tty by pressing ctrl alt f1 and got these messages (picture i took + tesseract + hand fixes)
couldn't go back to X and make other switch:

Ubuntu 12.04.3 LTS xps tty1

xps login: [30104.389129] BUG: soft lockup - CPU#1 stuck for 22s! [gnome—settings
[30104.403381] BUG: soft lockup - CPU#2 stuck for 22s! [gdu-notificatio:2581]
[30104.417515] BUG: soft lockup - CPU#3 stuck for 22s! [gnome—fallback-:2169]
[3D104.558466] BUG: soft lockup - CPU#0 stuck for 23s! [console-kit—dae:1340]
[3D132.352914] BUG: soft lockup - CPU#1 stuck for 22s! [gnome-settings-:2142]
[30132.387168] BUG: soft lockup - CPU#2 stuck for 22s! [gdu-notificatio:2581]
[30132.381302] BUG: soft lockup - CPU#3 stuck for 22s! [gnome—fallback-:2169]
[30132.522255] BUG: soft lockup - CPU#0 stuck for 23s! [console-kit—dae:1340]
[30140.228272] INFO: rcu_sched self-detected stall on CPU { 2} (t=15000 jiffies)
[30164.311528] BUG: soft lockup - CPU#1 stuck for 22s! [gnome-settings-:2142]
[30164.32578E] BUG: soft lockup - CPU#2 stuck for 22s! [gdu-notificatio:2581]
[30164.339918] BUG: soft lockup - CPU#3 stuck for 22s! [gnome—fallback-:2169]
[30164.480869] BUG: soft lockup - CPU#0 stuck for 22s! [console-kit—dae:1340]