I think I'm seeing the same, typically (but not always) I get this when attempting to edit gradients in inkscape, I'll also attach a Xorg.log of when this last happened and the end of syslog
** Attachment added: "Xorg.0.log" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/642825/+attachment/1860108/+files/Xorg.0.log -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. https://bugs.launchpad.net/bugs/642825 Title: [i915] Maverick GPU hang when using many 3d effects _______________________________________________ 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