[xubuntu-users] Video weirdness with strange Xorg behavior

Andrew Kane googoleyes at gmail.com
Mon Oct 6 15:16:26 UTC 2008

Hi Eberhard,

   After a small amount of tweaking of this system I'm fairly happy
with the video performance. Unfortunately it's been so long that I no
longer remember what exactly I changed :(
   Anyway thanks for your advice vis-avis the GeForce. I'm sure you
are correct but as you say, since this machine is *primarily* for work
I'm not about to mess with it.
   Many thanks for your kind regards and advice.

On Mon, Oct 6, 2008 at 7:22 AM, Eberhard Roloff <tuxebi at gmx.de> wrote:
> Kelly Clowers wrote:

>> You are almost certainly using the r200 accelerated 3d drivers.
>> Open source r100, r200 and r300 (which actually includes r400,
>> up to the x1050 card) drivers all do 2d acceleration, and r100/r200
>> have good 3d. r300 has 3d, but it is supposedly not as good.
>> However, I use a Radeon 9550 (r350) and it works fine for Quake 3
>> http://dri.freedesktop.org/wiki/ATIRadeon#head-bb5de723d3bee252c77ae040087d8a4d85bcd22f
>> http://megahurts.dk/rune/r300_status.html (2006)
>> http://olivermcfadden.livejournal.com/18831.html

>> I don't know much about performance tweaking, or compiz-type stuff,
>> but try things like XAA vs EXA acceleration. I *think* some other odd
>> options have an effect, such as  XaaNoOffScreenPixMaps and
>> EnableTileFlipping. Google around, or ask your friendly neighborhood
>> X developer.
>> I don't know enough comparative graphics-card-ology to say,
>> but you could try your Radeon with ATI's binary drivers. They are
>> better behaved than they used to be. Also keep in mind that
>> Radeon drivers will be lots better soon - maybe in time for Ubuntu 9.04
> 9200 imho is NOT supported by ATI Binary drivers for about two years
> now, iirc,
> You will surely get more from a Geforce 2 MX 400. The question remains,
> if you need more with that CPU.
> I would go with what your ATI offers and simply work without any
> accelerated effects. After all, it is work this machine is for, I assume.
> Kind regards
> Eberhard
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