In order to get relevant information and help fixing that bug, I suggest that people who have this bug :
1. post the output of this on a terminal : cat /etc/X11/xorg.conf | grep -A 2 'Section "Device"'
2. post the output of this on a terminal : lspci
3. tell which ubuntu version you use.
In order to get relevant information and help fixing that bug, I suggest that people who have this bug :
1. post the output of this on a terminal : cat /etc/X11/xorg.conf | grep -A 2 'Section "Device"'
2. post the output of this on a terminal : lspci
3. tell which ubuntu version you use.
Thanks to everybody who worked on this so far.