Messed-up Xubuntu login background at startup

[Simon Steinbeiß]

On Tue, 15 Apr 2014 10:55:23 +0200
Laurent Humblet <laurent.humblet at gmail.com> wrote:

> Hi,
> 
> I have this problem with the Xubuntu login screen :
> 
> Before:
> http://i.imgur.com/reVrfsc.jpg

This is a known bug[0] in the open source driver for nvidia graphic cards (nouveau).

Cheers
Simon

[0] https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1267742