Package: xserver-xorg Version: 6.8.2.dfsg.1-4 Severity: Important The current Matrox driver is broken when used with some old Mystique cards.
The bug is described on X.org's bugtracker : https://bugs.freedesktop.org/show_bug.cgi?id=2168 I personnally tried the first patch, and it fixed the bug for me. BTW, it was included in ubuntu's version of the package : http://bugzilla.ubuntu.com/show_bug.cgi?id=10065 Kind regards, -- Julien Wajsberg