I have the same problem here with a freeze of all the screen except the cursor.
I have nvidia optimus handling a Geforce 520M and an intel video chip.
uname -a :
3.5.0-26-generic #40-Ubuntu SMP Tue Feb 26 19:57:24 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
dmesg :
[drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung
[drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
atl1c 0000:07:00.0: vpd r/w failed. This is likely a firmware bug on this device. Contact the card vendor for a firmware update.
Hello,
I have the same problem here with a freeze of all the screen except the cursor.
I have nvidia optimus handling a Geforce 520M and an intel video chip.
uname -a :
3.5.0-26-generic #40-Ubuntu SMP Tue Feb 26 19:57:24 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
dmesg : hangcheck_ hung] *ERROR* Hangcheck timer elapsed... GPU hung
[drm:i915_
[drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
atl1c 0000:07:00.0: vpd r/w failed. This is likely a firmware bug on this device. Contact the card vendor for a firmware update.
attachement : /sys/kernel/ debug/dri/ 0/i915_ error_state