Maybe a workaround : # echo "blacklist dell_laptop" >> /etc/modprobe.d/blacklist.conf
It seems that dell_laptop is conflicting with something. Source : http://ubuntuforums.org/showthread.php?t=2192865 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1272781 Title: Often system freezes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1272781/+subscriptions _______________________________________________ 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
