Thanks for testing. We can perform a "Reverse" bisect to identify the commit that fixes this in 3.19. First, can you also test the latest 3.18 upstream kernel to see if it already has the fix? It can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.2-vivid/ ** Tags added: needs-bisect -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1408593 Title: X server disables acceleartion or turns off output (makes screen black) after kernel upgrade to v3.18 (Ubuntu Vivid) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1408593/+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
