I had similar problem: Xorg sometimes hangs up with that *ERROR*. Laptop: Lenovo t500, Intel X4500.
-- DRM Framebuffer crash; invalid framebuffer id; Thinkpads with Intel X4500HD https://bugs.launchpad.net/bugs/523027 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
