AFAICS, all the attached logs show 800x600 being used. Anyway, the Gnome failsafe option does not affect the monitor probing in the driver, which here seems to fail to get any EDID information. Maybe Gnome applies a strange DPI value? Do you have a .config/monitors.xml file?
** Changed in: xserver-xorg-video-mga (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/629881 Title: Matrox G450 Video Board Requires Failsafe GNOME Login -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs