The fix from upstream is against the kernel drm tree for radeon rather than X:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=43b93fbffc2c080dba2e84df6fce8d7e6c0a2581 @JFo, please add to kernel team's todo list. ** Package changed: xserver-xorg-video-ati (Ubuntu) => linux (Ubuntu) ** Summary changed: - Stellarium crashes on startup (ATI Radeon graphics card) + [Needs upstream patch] Stellarium crashes on startup -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/481669 Title: [Needs upstream patch] Stellarium crashes on startup _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp