Side note about wrong monitor size [was Re: New monitor, pink vertical line ...]

[Dave Witbrodt]

> 5) xdpyinfo reports this (notice particularly the size in millimeters):
> 
> screen #0:
>   dimensions:    1920x1200 pixels (508x317 millimeters)
>   resolution:    96x96 dots per inch
> 
> while Xorg.0.log includes this:
[...]
> (II) RADEON(0): clock: 154.0 MHz   Image Size:  593 x 371 mm
[...]
> 
> This is what I have in xorg.conf for the monitor:
> 
> Section  "Monitor"
>         Identifier      "HH281HPB"
>         VendorName      "Hanns.G"
>         ModelName       "HH281HPB"
>         HorizSync       24-80
>         VertRefresh     56-75
>         DisplaySize     593     371
>         Option          "DPMS"
> EndSection
> 
> Apparently 'xdpyinfo' has a mind of its own!  ;)

Culprit is something in 'radeon':

# grep 'Image Size:' /var/log/Xorg.0.log | uniq
(II) RADEON(0): clock: 154.0 MHz   Image Size:  593 x 371 mm

# grep 'screen physical' /var/log/Xorg.0.log
(II) RADEON(0): Setting screen physical size to 508 x 317