The bisect identified this as the commit that fixes the problem: 3448a19 vgaarb: use bridges to control VGA routing where possible.
A natty build with this patch applied is available at the link below. Please test to see whether or not the bug is reproducible in this build. Thanks! http://people.canonical.com/~sforshee/lp727620/linux-2.6.38-11.48~lp727620v201108261554/ -- 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) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/727620/+subscriptions _______________________________________________ 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
