With a Lucid Lynx 10.04 LTS, 2.6.32.15 from package (linux-source-2.6.32_2.6.32-24.43_all), there is no problem, no warnings at boot time.
With a Lucid Lynx 10.04 LTS, 2.6.36 from kernel.org, at boot time, kernel warns: "failed to get i915 symbols, graphics turbo disabled.". Compiz and system work correctly.
Laptop : Thinkpad T410, Intel core i5 520 M.
With a Lucid Lynx 10.04 LTS, 2.6.32.15 from package (linux- source- 2.6.32_ 2.6.32- 24.43_all) , there is no problem, no warnings at boot time.
With a Lucid Lynx 10.04 LTS, 2.6.36 from kernel.org, at boot time, kernel warns: "failed to get i915 symbols, graphics turbo disabled.". Compiz and system work correctly.