2 Cards: How to use XFree86 on one & framebuffer on other

I have a machine with 2 graphics cards (SiS 630 & ATI
Radeon). I would like to run a regular XFree86 server
on one card, but use the framebuffer support on the
other card (I don't care which card I use for which).

I can use both cards under XFree86 using Xinerama. 

I've compiled a 2.6.7 kernel with framebuffer support
for both cards. The kernel automatically activates
framebuffer support for both.

But, when the SiS card is the card initialized by the
BIOS, the Radeon card registers as having 0k of
videoram (it has 32MB in reality). 

When I set the BIOS to init the radeon card, Linux
successfully activates framebuffering for both. I can
run a regular XFree86 server on the radeon card, and I
can startup an XDirectFB (X server using the DirectFB
framebuffer library) server on the SiS card.

However, when I do that, the XFree86 server disappears
and the XDirectFB server has a weird shadowing effect
on everything (I've tried changing fb modes using
fbset but it just makes the screen completely
unreadable).

I have run the XFree86 server and the XDirectFB server
separately on one card, without any problems. 




Is it possible to run a regular XFree86 server on one
card and a framebuffer app on another with both still
showing? If yes how? (I only need my keyboard/mouse to
work on one server)

Is is possible to run two separate framebuffer apps,
one on each card, and have both show up?
If yes, I could just run two XDirectFB servers
instead.

:)

PS: should I try using the (backstreet) ruby kernel
patch?



		
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