I just want to mention that this is still a problem for me using 2.6.17-10 Edgy standard install. My hardware is a Dell 640m.
Though I can sort of recover by restarting X with Ctrl-Alt-Backspace. -- External monitor on intel 945GM/Dell D620 (and D420) causes lockup. https://launchpad.net/bugs/50243 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
