Upstream would like to see if setting the video to the radeon/descrete setting in the BIOS configuration makes it function properly.
If so, this may be a known issue in the new vga_switcheroo functionality, ala bug https://bugzilla.kernel.org/show_bug.cgi?id=30052 ** Bug watch added: Linux Kernel Bug Tracker #30052 http://bugzilla.kernel.org/show_bug.cgi?id=30052 ** Changed in: xserver-xorg-video-ati (Ubuntu) Status: Triaged => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/727620 Title: [Radeon HD 5650 and 5470] Driver crash during recovery boot and in normal boot (Regression from 2.6.38-3 to -4) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs