Xorg 7.0-rc1 and EXA (radeon 9200)

[Carsten Haitzler (The Rasterman)]

On Mon, 31 Oct 2005 08:33:55 +0100 Pierre Ossman <drzeus-list at drzeus.cx>
babbled:

> Carsten Haitzler (The Rasterman) wrote:
> > 
> > here's the rough way things pan out for my laptop system: 64mb video ram.
> > somehow to get xrender to work properly i have to also keep driand opengl
> > enabled. this eats up 32mb of video ram (half of whatever you have)
> > instantly as pre-allocated for dri clients. now since i run 1600x1200 at 32bpp
> > the framebuffer is just a bit under 8mb alone. 24mb spare video ram left
> > now. now given that i like a desktop wallpaper - this is another (just
> > under) 8mb of video ram for the wallpaper pixmap. we have now 16mb of video
> > ram left. that 16mb now has to be used to store pixmaps PER WINDOW
> > whichbasically has space for about 2 fullscreen windows wort of pixels - so
> > once you have opened 2 screenfulls of windows you have now run out of video
> > ram. remember xcomposite and pixmaps per windows is VIDEO RAM HUNGRY. it
> > will eat your vram for breakfast and ask about lunch before it's even done.
> > 
> 
> Thank you! Finally some information that got things running smoothly
> here. Turned off dri and now everything runs fine here. Even with all
> the eye candy that one can find.  ;)
> 
> It would seem that something leaks memory though. If I keep mapping and
> unmapping windows I gradually see the pixmap memory rising. When I hit
> the size of my graphics card (64 MB) things deteriorate very quickly.
> Who's the most likely culprit? X or xcompmgr? The latter seems more
> likely since the pixmaps are freed once I kill xcompmgr.

it could also just be vram fragmentation - but i woudl look at xcompmgr first.
but it could be xcomposite itself too. have u tried xrestop to see who is
allocating all the pixmaps? (or who xresources thinks they belong to) ?

-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    raster at rasterman.com
裸好多
Tokyo, Japan (東京 日本)