Intelfb on ACER Extensa 5220

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Hello.

These are additional info to my problem with Intelfb on Acer Extensa 5220 with Intel 965GM/X3100 graphic card.

If I perfom a cold powerup with accel=1 than in dmesg I see this

intelfb: Changing video mode is not supported
Switched to NOHz mode on CPU #0
intelfb: ring buffer : space 65464 wanted 65472
intelfb: lockup - turning off hardware acceleration.

I think some magic in initialization is missing, because booting Ubuntu 8.0.4 Live gives me xorg with HW accelleration. And it works.
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