xrandr supports different resolutions depending on when screen is plugged in

[Reto Bachmann-Gmür]

Thank you, it works nicely now!

Fabien Chaillou wrote:
> Hello,
>
> i would guess that this is caused by the size of the framebuffer
> allocated at X server startup to the maximum size of your screen.
> Right now it can't be resized on the fly so  you have to provide a
> virtual line in the display section of the server config file :
> something like Virtual 1920 1200
>
> Bye
> Fabien
>
>
> Reto Bachmann-Gmür a écrit :
>   
>> Hello
>>
>> I'm getting started with my Dell M1330 laptop with its Intel i810 card
>> with an external screen supporting a resolution of 1920x1200. My goal
>> is to be able to switch monitors without restarting X.
>>
>> The problem is that if the monitor is not plugged in when X is
>> started, "xrandr -q" indicates that the VGA monitor only supports
>> 1280x1024 and "xrandr --output VGA --auto" will set the screen to that
>> resolution. When the monitor is plugged in when X is started the
>> maximum resolution is correctly indicated as 1920x1200 and switching
>> from the built-in screen and resolution to the external one works
>> nicely (using "xrandr --output VGA --off" and "xrandr --output VGA
>> --auto"). Any solution/work-around other than "do not (re)start laptop
>> when the monitor isn't connected"?
>>
>> Versions I'm using:
>> - xorg-server 1.3.0.0-r5
>> - libXrandr 1.2.1
>> - xrandr 1.2.2
>>
>> Cheers,
>> reto
>>
>> ------------------------------------------------------------------------
>>
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>> xorg mailing list
>> xorg at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/xorg
>>     
>
>   


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