FWIW, the 4.1.0 Rendition XFree86 driver was crashing on me as well,
I had to downgrade the driver to 4.0.something version I was 
using before, i.e. I replaced /usr/X11R6/lib/modules/drivers/rendition_drv.o
with 4.0* version. Maybe something like that would help you as well
as interim "solution".

Jaromir

Curt Sampson wrote:
> On Tue, 21 Aug 2001, Kazuhiko Takai wrote:
> 
> > Thank you much for your quick reply. Attached are the xinit logs of 4.0.3 and 4.1.0.
> > I hope they would be of help.
> Well, it looks like it crashes when it enters the driver to make it
> actually bring up the screen. Unfortunately, I don't see any particular
> differences between the two in driver or configuration. Probably you'll
> have to run gdb on it, do a "bt" to get a stack backtrace, and look at
> the code to see what might be blowing up. And maybe submit a bug report
> to the XFree86 project.
> 
> cjs
> -- 
> Curt Sampson  <cjs@cynic.net>   +81 3 5778 0123   http://www.netbsd.org
>     Don't you know, in this new Dark Age, we're all light.  --XTC
> 


-- 
Jaromir Dolecek <jdolecek@NetBSD.org>      http://www.ics.muni.cz/~dolecek/
NetBSD - just plain best OS! -=*=- Got spare MCA cards or docs? Hand me them!