Error running a second X server via framebuffer. Please help!

[dave g. <giv...@ya...>]

I'm trying to run a second X server using the
framebuffer.

I applied the ruby-2.6 patch to vanilla kernel version
2.6.7. I recompiled XFree86 4.3.0 with the prefbusid
patch. 

I start up my 1st X server (on an ATI card, not using
framebuffer) without a problem. Then from an xterm on
that server, I try starting the 2nd framebuffer X
server on a SiS card, and get the error below. 

The 2nd server continues to run (though the screen it
is connected to is blank). When I ctrl+c it, the
screen my 1st server is on goes blank and is replaced
by a garbled image of what it used to look like (the
image doesn't change, maybe the 2nd X server accessed
the framebuffer on the 1st card).

I can still press CTRL+Alt+F1 and then CTRL+ALT+F7 to
get back to my 1st X server.

I am  using the "prefbusid" option in the config files
for both servers. I also activated the 'hackvideo'
extension. (I ran echo 1 > /proc/bus/pci/hackvideo ).

My System:
ATI Radeon 7000 (1st X server, no framebuffer)
SiS 630 (2nd X server, using framebuffer)
Redhat 9 (i686)
gcc 3.2.2
XFree86 4.3.0
kernel 2.6.7 + ruby & SiS & ATI framebuffer drivers



What can I do about this problem? 

The error message:

XFree86 Version 4.3.0
Release Date: 27 February 2003
X Protocol Version 11, Revision 0, Release 6.6
Build Operating System: Linux 2.6.7-ruby i686 [ELF]
Build Date: 20 August 2004
        Before reporting problems, check
http://www.XFree86.Org/
        to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==)
default setting,
         (++) from command line, (!!) notice, (II)
informational,
         (WW) warning, (EE) error, (NI) not
implemented, (??) unknown.
(==) Log file: "/var/log/XFree86.1.0.log", Time: Fri
Aug 20 23:01:06 2004
(++) Using config file: "/etc/X11/XF86Config.fb"
(EE) FBDEV(0): FBIOPAN_DISPLAY: Invalid argument



		
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