Googling revealed a thread that looks relevant to me: http://www.gossamer-threads.com/lists/linux/kernel/1238374
One even mentions the 10 secs interval between each "hanging". Post #15 claims to have a solution. -- [i855] [karmic] X freezes with intel 855GM videocard https://bugs.launchpad.net/bugs/476817 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel 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