Hi, I'm hoping someone can help as I haven't got much hair left.

Background:

I've installed Slackware 13.37 on a spare PC (Celeron 2.8GHz, 1Gb RAM, ATI Rage 
128 video card) and everything went well after a moderately steep learning 
curve.  I could start kde and use it.  However, I'm running this system and 
another (Ubuntu LTS) through a KVM switch which adds a complication in that it 
does not appear to pass the monitor (Samsung 1100p) EDID data to the video card 
so most default installs have trouble getting resolutions higher than 800x600.

Under Ubuntu I found I could solve this quite easily by adding the following to 
my the monitor section in /etc/X11/xorg.conf:
Horizsync    30-96
Vertrefresh    50-160

Note that the monitor is actually capable of 1600x1200, but I use these 
parameters because it gives me a maximum resolution of the monitors ideal 
settings which is 1280x1024 at 85Hz and a new install therefore defaults to 
this.  In the past I've had absolutely NO luck with specifying modeset lines 
etc - they just seem to be ignored.


To attempt to get the higher resolution under Slackware I ran 'Xorg -configure' 
to generate the xorg.conf.new and moved it to /etc/X11/xorg.conf.  I then added 
the two lines above.  When I run startx, KDE starts up in high resolution mode 
(Yay!) and looks great, but before it's finished fully loading it crashes.  The 
following appears to be the section in the log where it all starts to go pear 
shaped:


[  5487.564] 18: /lib/libc.so.6 (__libc_start_main+0xe6) [0xb7384db6]
[  5487.564] 19: /usr/bin/X (0x8048000+0x1aaa1) [0x8062aa1]
[  5487.564] Segmentation fault at address (nil)
[  5487.564]
Fatal server error:
[  5487.564] Caught signal 11 (Segmentation fault). Server aborting
[  5487.564]
[  5487.564]

It then crashes out with many subsequent error messages, finally complaining 
that it can't find screen:0


I've tried the bare-bones xorg.conf that works with my Ubuntu systems 
(actually, tried that first) and I've tried using modeset instead of Horizsync 
and Vertrefresh despite the fact that it's never worked for me before and is 
much more complicated.

I find it interesting that it the correct resolution is identified (verified in 
the log) and actually starts up in the correct mode, but then crashes out.


I will post the full logs and xorg.conf if it's requested, but I didn't want to 
bombard the list on my first post - I think I got the essence of the problem 
however.

Regards,

Chris
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