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Re: Migrating XFree86 to Xorg



On Wed, Oct 04, 2006 at 20:48:00 -0700, dbarker@turing.cs.camosun.bc.ca wrote:
> I have a problem with my laptop, but it's not really laptop specific.
> 
> For two years I happily used it in class with an external projector.
> 
> This summer after a variety of upgrades (don't ask) I have problems.
> 
> I can currently say that debian testing/Xorg using an Xorg config
> found on the web specific for my klaptop (Averatec 3225) works
> perfectly *except* the projector says "no signal" as soon as X
> starts.
> 
> Knoppix 4.0 (Xfree86) works and so does the projector. Knoppix 5.0
> (Xorg) works, but not the projector.
> 
> Evidently there is something in the Xorg config which the projector
> can't handle.
> 
> I tried noting the horizontal and vertical sync values from the
> XFree86 config created by knopppix 4 and using those in the Xorg conf
> file. X starts fine, but the projector again refuses to
> cooperate. Obviuosly I'm missing something.
> 
> My question then: can somebody point me at a tool to migrate an
> XFree86 config to Xorg? I figure there must be one as I have
> successfully upgrade two other machines (both testing) from XFree to
> Xorg.

I have the impression that Xorg often overrides the LCD/CRT on/off keys
of laptops, while XFree86 was less "aggressive". You will have to adapt
to this beahvior. Some graphics cards have a simple command line tool to
switch the displays on and off, for others you have to change your
xorg.conf to a "cloning" configuration. We need to know what your
graphics hardware is in order to help your further. Please post the
output of

lspci | egrep -i 'vga|video'

and tell us if you start X from the command line or if you use [xkg]dm
for graphical log-in.

-- 
Regards,
          Florian



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