I found these maybe-related bug reports on phoronix and in the Unofficial ATI Linux Driver Bugzilla:
http://www.phoronix.com/forums/showthread.php?t=15215 http://ati.cchtml.com/show_bug.cgi?id=1475 -- Freeze on X startup with Mobility Radeon HD 3650 https://bugs.launchpad.net/bugs/346372 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs