After installing kernel 2.6.24.2-7.fc8 from updates-testing, I don't have DRI with my I945 chipset. Under kernel from stable branch everything is ok. The only message concerning DRI is "cannot access drm manager" which is found in Xorg.0.log. I've attached Xorg.0.log.
Created attachment 295624 [details] Xorg log with 2.6.24.2-7
Created attachment 295625 [details] LSPCI output
Created attachment 295626 [details] dmesg output
*** This bug has been marked as a duplicate of 433728 ***