Alright, sounds like it's not a kernel issue; might try if a newer -intel ddx driver helps. Packaged version for lucid is in the x-updates PPA:
https://launchpad.net/~ubuntu-x-swat/+archive/x-updates?field.series_filter=lucid ** Summary changed: - [clarkdale] Xorg hangs on Intel Core i5 (Intel HD4500) + [clarkdale] Xorg hangs on Intel Core i5 (Intel HD4500) unless DRI disabled ** Changed in: xserver-xorg-video-intel (Ubuntu) Status: Confirmed => Incomplete -- 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/574336 Title: [clarkdale] Xorg hangs on Intel Core i5 (Intel HD4500) unless DRI disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/574336/+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
