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List: freedesktop-xorg
Subject: Re: i965G: I've lost my acceleration and can't get up again
From: Bruce Perens <bruce () perens ! com>
Date: 2007-05-30 15:57:48
Message-ID: 465D9EFC.4090002 () perens ! com
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Bruce Perens wrote:
> Between two weeks ago and today, I seem to have lost my acceleration.
> Flightgear was running at 15 to 20 frames per second, now it's down to 2
> or 3
After thrashing around for days, I finally did a "write fail-safe
defaults" on my BIOS and the problem went away. It might be something to
do with MTRR use. This motherboard has a permanent AGP apeture (I guess
that's common to this intel graphics lineage) but some configurations
use up 3 MTRRs in BIOS and the bad configuration uses 7. It'll take me
a while to figure out what the problem was.
Thanks
Bruce
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