Bad screen size using external monitor

Bug #153936 reported by Javier Ruiz
2
Affects Status Importance Assigned to Milestone
xserver-xorg-video-intel (Ubuntu)
New
Undecided
Unassigned

Bug Description

Binary package hint: xserver-xorg-video-intel

Hi,

I've got a wrong screen size when attaching an external LG monitor (not resolution which matches the monitor) . Here you can see the effect http://gps-tsc.upc.es/imatge/_Jrh/intel_problems/distortion.JPG

When I use the new xrand1.2 to switch between the LG panel and the internal laptop screen it detects the proper 1440x900 resolution and 'xrandr --outoput VGA --auto" switches to 1440x900 but it looks distorted and the screen only fills half of the LG panel (as the photo above).

This might be related to bug number #135557 but I don't see any problem with my fonts, only the screen size but fell free to merge it if you think it is the same.

lspci reports my card as "Intel Corporation Mobile 945GM/GMS/940GML Express Integrated Graphics Controller (rev 03)". Here is the output of 'xrandr --verbose' with the panel conected and my xorg.conf and log

http://gps-tsc.upc.es/imatge/_Jrh/intel_problems/xrand1.2_out
http://gps-tsc.upc.es/imatge/_Jrh/intel_problems/xorg.conf
http://gps-tsc.upc.es/imatge/_Jrh/intel_problems/Xorg.0.log

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