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Now, with Mesa and xserver upgraded I can share my experience with this on
DragonFly. There are two important bugs in the intel driver and AFAICS
upstream doesn't have any interest to fix these.
* XAA doesn't work at all. It crashes instantly on startup in somewhere at
i965_batch_flush_notify(). Upstream closed all XAA related bugs long
time ago and will not fix any of these probably.
* With EXA some apps (kdm from KDE3 most notably for me) crash somewhere
at i965_prepare_composite(). I filed a bugreport in the upstream
bugzilla - https://bugs.freedesktop.org/attachment.cgi?id=26034, but as
you can read from comment #3, I'm out of luck, seems ;(.
There is a workaround though - use 'Option "EXANoComposite" "true"' in
So, with following xorg.conf snippet it seems to be stable even with drm
(the lastest MesaLib is required!) and reasonably fast (as Intel hardware
Identifier "Generic Video Card"
Option "EXANoComposite" "true"
Note that this all about experience 965GM on DragonFly, so you mileage can
vary of course. I hope that it helps though.
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