@ojordan This looks like the same problem I see with 12.10 on an iMac G5/2.0 20-Inch (ALS) (Identifiers: Ambient Light Sensor - M9845LL/A - PowerMac8,2 - A1076 - 2056) with a Radeon 9600.
I am not sure if it's relevant, but using "video=radeonfb:1680x1050-32@60" does apparently increase the color depth, but glxinfo reports only software rasterization, and unity/compiz fails. ** Attachment added: "Xorg.0.log of startup with video=ofonly boot option" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1058641/+attachment/3412681/+files/Xorg.0.log -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/1058641 Title: "No devices detected" radeon regression Status in “xserver-xorg-video-ati” package in Ubuntu: Confirmed Bug description: Testing the quantal daily/live ISOs I've noticed a regression with the radeon driver. The last ISO I tested was from the 19th of Sept and that was fine. Yesterdays live/desktop ISO (28/9/2012) fails to start the Xorg server. It reports that no devices are detected. Creating a very simple xorg.conf overcomes the problem: Section "Device" Identifier "Card0" Driver "radeon" BusID "PCI:0:16:0" EndSection I'll attach the Xorg.0.log from running with and without the above xorg.conf. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1058641/+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
