Sheridan Hutchinson wrote:
> I was very surprised to see it come through last night with a slew of
> other updates in testing, so I quickly downloaded everything and began
> the task of configuring everything!  You're not wrong about the new
> driver on the i855, it sucks, I don't use language like that flippantly :)

Note that 2.1.0 has been released today with lots of fixes for old
chipsets. It will be in unstable tonight (as 2:2.1.0-1).

> Performance has dropped considerably to the extent that I can no
> longer use compiz and the whole thing feels really sluggish

About Compiz, you might want to try:
    Option "AccelMethod" "EXA"
in the Device section of your xorg.conf.

> and given that I'm using an X40 I'm getting hard lock-ups occasionally
> (although the BTS shows that is fixed in a later version).  Still, I'm
> hoping to weather this release out in the knowledge that things *will*
> improve in the future as this driver appears to be actively developed!
>
> I tried to set XvMCSurfaces in xorg.conf to "7", however in my
> Xorg.0.log I get:
> (WW) intel(0): Option "XvMCSurfaces" is not used

The manpage seems to say that it should work. But I don't have any
actual idea whether it is supposed to work today or not. At least
https://bugs.freedesktop.org/show_bug.cgi?id=5329 seems to say it worked
before.

I found the following old upstream bug about XvMC in the i810 driver:
    https://bugs.freedesktop.org/show_bug.cgi?id=6409
Feel free to add some comments there. I would be good to ping the
upstream developers anyway (you should post your xorg.conf and
Xorg.0.log too). Let me know if you need help.

Brice



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