Comment 54 for bug 877905

I've tried to downgrade but am probably doing it incorrectly.

gdekatt@sandbox:~$ sudo aptitude install xserver-common=2:1.9.0-0ubuntu7.3
Unable to find a version "2:1.9.0-0ubuntu7.3" for the package "xserver-common"
Unable to find a version "2:1.9.0-0ubuntu7.3" for the package "xserver-common"
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B of archives. After unpacking 0B will be used.

gdekatt@sandbox:~$ sudo aptitude install xserver-xephyr=2:1.9.0-0ubuntu7.3
Unable to find a version "2:1.9.0-0ubuntu7.3" for the package "xserver-xephyr"
Unable to find a version "2:1.9.0-0ubuntu7.3" for the package "xserver-xephyr"
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B of archives. After unpacking 0B will be used.

gdekatt@sandbox:~$ sudo aptitude install xserver-xorg-core=2:1.9.0-0ubuntu7.3
Unable to find a version "2:1.9.0-0ubuntu7.3" for the package "xserver-xorg-core"
Unable to find a version "2:1.9.0-0ubuntu7.3" for the package "xserver-xorg-core"
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B of archives. After unpacking 0B will be used.

gdekatt@sandbox:~$ uname -a
Linux sandbox 2.6.35-28-generic #50-Ubuntu SMP Fri Mar 18 19:00:26 UTC 2011 i686 GNU/Linux

gdekatt@sandbox:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=10.10
DISTRIB_CODENAME=maverick
DISTRIB_DESCRIPTION="Ubuntu 10.10"

gdekatt@sandbox:~$ grep -i "x driver" /var/log/Xorg.0.log
[ 13.916] (II) NVIDIA dlloader X Driver 275.09.07 Wed Jun 8 15:43:48 PDT 2011