there is no DRI driver for mga anymore, the old one got dropped from 8.0 because it didn't support DRI2
** Changed in: mesa (Ubuntu) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/976410 Title: mga_dri.so missing in mesa Status in mesa package in Ubuntu: Won't Fix Bug description: ubuntu 12.04 beta2, libgl1-mesa-dri Mesa falls back to sw rendering on my Matrox G500 graphics board. Poor grafic performance. The driver was present in 11.10. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/976410/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp