Mesa: texture_from_pixmap outputs white patch

[Michel Dänzer]

On Thu, 2008-07-24 at 13:05 -0700, Mohan Parthasarathy wrote:
> 

>         In the gdm log file,
>         
>         in RADEONProbeOutputModes
>         *********************************WARN_ONCE*********************************
>         File r300_mem.c function r300_mem_alloc line 225
>         Ran out of GART memory (for 1048576)!
>         Please consider adjusting GARTSize option.
>         ***************************************************************************
>         Error: Could not get dma buffer... exiting
>         
>         I guess this explains everything..
>         
> 
> I just want to clarify one thing. The test that i ran (runing
> texture_from_pixmap) might be a little
> artificial. But this bug happened at other normal times also. I am not
> an expert at this code. So,
> there may not be a simple fix as i think. Perhaps, somebody is already
> working with a fix for this.
> Let me know if we need to track this..

You need to increase the GART memory size using

	Option	"GARTSize" "16"

or "32" even. Yes, the default should probably be increased for >= R300,
patches welcome. :)


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer