Bug#453279: xserver-xorg-video-intel: severe performance penalty with newer intel driver

[Vincent Fourmond <fourmond@debian.org>]

  Hello,

Brice Goglin wrote:
>>   However, with version 2.2.0, this gets extremely slow. For *one*
>> change of desk, xorg can take up to 90% of the processor. This is
>> really annoying, as for instance when I switch to a desk containing a
>> firefox instance, it takes several seconds to get displayed
>> completely. It really was instantaneous with version 2.1.0.
>>   
> Adding
>    Option "AccelMethod" "XAA"
> to the Device section of xorg.conf should fix the problem.
> Driver 2.2 now uses EXA by default. It is better in most cases, but not
> in all cases yet unfortunately.

  Thanks, it works perfectly now. Any way we could get this documented
somewhere ? This is a non-trivial configuration change, after all.

  Cheers,

	Vincent

-- 
Vincent Fourmond, Debian Developer
http://vince-debian.blogspot.com/
-- pretty boring signature, isn't it ?