Martin, thanks for testing. Your results at least match those reported for the builds you tested. I don't know whether there's a bug for your backlight issue. If you can't find one then you should open a new one.
bisect010 is now available. # good: [8eb572942ca02890f590d9251233038e27dd3842] drm/i915: forcewake debugfs fix git bisect good 8eb572942ca02890f590d9251233038e27dd3842 -- 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] Kernel BUG during recovery boot and in normal boot (Hybrid graphics) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/727620/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs