This is erratic. I have blacklisted "radeon" from autoloading by adding it in /etc/modprobe.d/. I then load it manually in rc.local to be able to turn the card off. I now can boot on battery fine. Or could. Lately I've had boot trouble again, but this might be for Other Reasons.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/727620 Title: [Radeon HD 5650 and 5470] Kernel BUG during recovery boot and in normal boot (Hybrid graphics) _______________________________________________ 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
