Just confirming that on 15.04 I get the symptoms mentioned in https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1115177
Where Nouveau won't load, which is apparently because of this bug [ 27074.122] (II) [drm] nouveau interface version: 1.2.1 [ 27074.122] (II) Loading sub module "dri2" [ 27074.122] (II) LoadModule: "dri2" [ 27074.122] (II) Module "dri2" already built-in [ 27074.122] (EE) NOUVEAU(0): [drm] failed to set drm interface version. [ 27074.122] (EE) NOUVEAU(0): [drm] error opening the drm [ 27074.122] (EE) NOUVEAU(0): 904: [ 27074.122] (II) UnloadModule: "nouveau" [ 27074.122] (EE) Screen(s) found, but none have a usable configuration. [ 27074.122] (EE) Fatal server error: [ 27074.122] (EE) no screens found(EE) [ 27074.122] (EE) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server-lts-quantal in Ubuntu. https://bugs.launchpad.net/bugs/982889 Title: X trying to start before plymouth has finished using the drm driver To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/982889/+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