Re: [Linux-fbdev-devel] Possible bug: nasty interaction between framebuffer and DRI/DRM

[Geert U. <ge...@li...>]

On Fri, 31 May 2002, Chris Howells wrote:
> I seem to have discovered a nasty interaction between framebuffer and DRI/DRM 
> in OpenGL applications. I can reproduce this problem in at least Return to 
> Castle Wolfenstein (version 1.1b) and Tux Racer.
> 
> I am using a 32 MB ATI Rage Pro 128 on Debian woody (XFree86 4.1). If I run 
> Tuxracer or RTCW, and wait for the game to load, everything is alright. 
> However if I switch to a spare virtual terminal, and switch back to X, the 
> fonts become illegible -- they just appear as coloured boxes with no 
> outlines, making things unplayable.
> 
> The problem does not occur when using software based OpenGL rendering which is 
> why I believe DRI/DRM is involved. This problem only occurs when framebuffer 
> is enabled in the kernel, if framebuffer is disabled the problem disappears, 
> so I believe framebuffer is also at fault.

Do you use `option UseFBDev' in your XF86Config?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds