[Intel-gfx] xdpyinfo gives wrong physical screen size

Julien Cristau jcristau at debian.org
Mon Jan 18 13:46:37 CET 2010

On Mon, Jan 18, 2010 at 06:24:03 -0500, dolphinling wrote:

> xdpyinfo is giving the wrong physical screen size on my computer.
> The computer is an 845G running kernel, libdrm 2.4.17, xorg-server 
> 1.7.4, and xf86-video-intel from git.
> The monitor is an NEC MultiSync FE791SB (crt).
> The actual physical size (of the image, not sure about the glass) is 320x240 
> millimeters. The reported size is 423x318 millimeters. Since it is running at 
> 1600x1200 px, the actual resolution is 127 dpi, but the reported resolution is 
> 96 dpi.
> I'm sure there's more information I need to give for this to be solved, so just 
> tell me what it is and how to get it.

See http://bugs.freedesktop.org/show_bug.cgi?id=23705


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