- select your architecture under 'Builds' at https://launchpad.net/ubuntu/quantal/+source/mesa/9.0~git20120821.c1114c61-0ubuntu2
- download the mesa binary packages you upgrades before it broke
- switch to a console (CTRL+ALT+F1), cd to the directory where you downloaded the packages and run:
$ sudo dpkg -i *deb
- read what dpkg tells you and accept if you agree.
- select your architecture under 'Builds' at https:/ /launchpad. net/ubuntu/ quantal/ +source/ mesa/9. 0~git20120821. c1114c61- 0ubuntu2
- download the mesa binary packages you upgrades before it broke
- switch to a console (CTRL+ALT+F1), cd to the directory where you downloaded the packages and run:
$ sudo dpkg -i *deb
- read what dpkg tells you and accept if you agree.