Bug#488277: I have exactly the same problem

[Eric Valette <Eric.Valette@Free.fr>]

Alex Deucher wrote:
> On Sat, Jun 28, 2008 at 8:36 AM, Eric Valette <eric.valette@free.fr> wrote:
>   
>> After updating to the new xserver on my nc6000 HP LAPTOP, the screen
>> connected on the docking station that can only do 1280x1024 is forced at
>> the flat panel resolution that is actually 1400x1050 meaning I see only
>> part of the screen on my external LCD monitor. If I force to change the
>> resolution to 1280x1024 using xrandr, it just kill the external display.
>>  Restoring the initial 1400x1050 does not restore the video on the
>> external dipslay. To restore it I have to call xrandr --auto and then Im
>> back to 1400x1050.
>>     
>
> Make sure you use the xrandr 1.2 interface, using the old xrandr 1.0
> interface (xrandr -s) will not work correctly as it has no concept of
> multiple heads.
> xrandr --output VGA-0 --mode 1280x1024
> or
> xrandr --output LVDS --mode 1280x1024
>   

If you look at my post you will see that i4m using the new one
>   
>> Of course, I did not change my xorg.conf at the beginning. Googling a
>> little bit I have added the new Randr 1.2 option to attach a specific
>> monitor to a specific video output (external LCD->VGA-0, Flat Panel to
>> LDVS). They are correctly associated now, but it did not change the
>> behavior.
>>     
>
> The modes line from your config is part of the problem, the modes in
> that line will get added as preferred modes to every output in the new
> xserver.  Try removing the 1400x1050 mode from the modes lines in the
> screens section of your config.
>   
I have associated the screen and the output. So why is it added to every
output then?

Thanks for your support anyway!

--eric