Sandy bridge is brand new - January. F14 was being locked down last Summer. Of course F14 doesn't support the new features of Sandy Bridge.
Yes Intel provided support for SB FOSS, but just recently, you need;
Linux 2.6.37, Mesa 7.10, and the xf86-video-intel 2.14 DDX
Maybe this is in Koji (the Fedora ferment). I dunno.
Good discussion of the issue.
http://www.phoronix.com/scan.php?pag...y_breaks&num=1
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Thanks for the SB halt/revision link. I hadn't heard that one.