I tried adding xorg-edgers ppa and upgrade. This made things worse : Logs out immediately after login. So I installed 15.10 that seems to work finer, but with another random display issue : https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1528522
-- 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/1528376 Title: Unexpected software rendering for 3D To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1528376/+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