[Intel-gfx] openarena does not work on sandy bridge with 2.6.39-rc1

[Niccolò Belli]

Hi, I have a Core i5 2500K, I previously used 2.6.38.1 but I had
corruption in the desktop and kwin's 4.6 desktop effects didn't work, so
I upgraded to 2.6.39-rc1 hoping it will solve the problems. It didn't
solve anything and it broke openarena (I have to restart using magic
sysrq keys). With nexuiz instead I get a nice performance boost.
Are those known issues?
More info on my system here:
http://phoronix.com/forums/showthread.php?38217-Sandy-Bridge-Core-i5-2500K-Benchmarks

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