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 Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/481669 Title: [Needs upstream patch] Stellarium crashes on startup -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs