Found the possible cause but I'm not sure what was the origin of the problem so far. A bumped capacitor seems to have been triggering the bug but I am not sure if some faulty driver or something lead to the capacitor fail.
** Attachment added: "_MG_0050.JPG" http://launchpadlibrarian.net/27903177/_MG_0050.JPG -- random x server freeze (nvidia) https://bugs.launchpad.net/bugs/365885 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-180 in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp