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Old 11-04-2010, 10:08 PM
Mick
 
Default Setting up two monitors

On Thursday 04 November 2010 21:36:46 Florian Philipp wrote:
> Am 04.11.2010 21:17, schrieb Mick:
> [...]
>
> > Then I ran xrandr again as Florian suggested and this is what it shows:
> >
> > $ xrandr --output DVI-0 --auto <--this gives 1920x1080
> > $ xrandr --output DVI-0 --right-of-VGA-0 --verbose
> > xrandr: screen cannot be larger than 1920x1920 (desired size 3200x1080)
> >
> > As a result it does not place the DVI on the right of the VGA driven
> > monitor. Can you please explain this error to me - why does it complain?
>
> Hmm, do you still have an xorg.conf file or changed settings in
> /etc/X11/xorg.conf.d? If you have, can you post it please?
>
> I think it is related to the
> 'SubSection "Device"
> Virtual xdim ydim'
> setting but I'm not sure. In any case, if I were you, I'd try running
> without any xorg.conf and see whether auto-configuration can handle it.
> Oh, and if you are still on x11-base/xorg-server-1.7.*, please try
> x11-base/xorg-server-1.8.2 with USE="udev -hal"

Thanks again Florian,

I do not have an xorg.conf. I am running x11-base/xorg-server-1.7.7-r1. I
have been waiting on 1.8.2 to go stable.

Googling around I suspect I know what the error is:

$ xrandr -q
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1920 x 1920

is telling me that my ATI X600 can only do a max of 1920 x 1920. Above that I
will need to set up a virtual screen (and it won't be able to do dri).

Without an xorg.conf file it is failing because it is not given a virtual
screen to expand its physical capability beyond 1920x1920. Any idea if I can
set up a virtual screen using the .fdi files?

Otherwise it is time for me to upgrade to 1.8.2 or perhaps 1.9.2?
--
Regards,
Mick
 
Old 11-05-2010, 10:11 AM
YoYo Siska
 
Default Setting up two monitors

On Thu, Nov 04, 2010 at 11:08:23PM +0000, Mick wrote:
> On Thursday 04 November 2010 21:36:46 Florian Philipp wrote:
> > Am 04.11.2010 21:17, schrieb Mick:
> > [...]
> >
> > > Then I ran xrandr again as Florian suggested and this is what it shows:
> > >
> > > $ xrandr --output DVI-0 --auto <--this gives 1920x1080
> > > $ xrandr --output DVI-0 --right-of-VGA-0 --verbose
> > > xrandr: screen cannot be larger than 1920x1920 (desired size 3200x1080)
> > >
> > > As a result it does not place the DVI on the right of the VGA driven
> > > monitor. Can you please explain this error to me - why does it complain?
> >
> > Hmm, do you still have an xorg.conf file or changed settings in
> > /etc/X11/xorg.conf.d? If you have, can you post it please?
> >
> > I think it is related to the
> > 'SubSection "Device"
> > Virtual xdim ydim'
> > setting but I'm not sure. In any case, if I were you, I'd try running
> > without any xorg.conf and see whether auto-configuration can handle it.
> > Oh, and if you are still on x11-base/xorg-server-1.7.*, please try
> > x11-base/xorg-server-1.8.2 with USE="udev -hal"
>
> Thanks again Florian,
>
> I do not have an xorg.conf. I am running x11-base/xorg-server-1.7.7-r1. I
> have been waiting on 1.8.2 to go stable.
>
> Googling around I suspect I know what the error is:
>
> $ xrandr -q
> Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1920 x 1920
>
> is telling me that my ATI X600 can only do a max of 1920 x 1920. Above that I
> will need to set up a virtual screen (and it won't be able to do dri).
>
> Without an xorg.conf file it is failing because it is not given a virtual
> screen to expand its physical capability beyond 1920x1920. Any idea if I can
> set up a virtual screen using the .fdi files?

Intel drivers (for my thinkpad notebook) had a similar problem. If you
didn't use an xorg.conf, they would set up the max screen size to the
maximum possible resolution on one of the monitors... I haven't found a
way to change that without an xorg.conf... (didn't have much motivation
as I just always used an xorg.conf, event with hal... and I'm on ~arch,
so its not much of an issue now...)

yoyo


PS right now, the current intel driver I have seems to have a hard maximum of
2048x2048 on my card, though I remember going above that in the
past... ;((

yoyo
 

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