Bug#182191: marked as done (Xserver always sets screens to 100dpi, ignores DisplaySize)
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Date: Mon, 24 Feb 2003 13:46:18 +1100
From: Russell Shaw <rjshaw@iprimus.com.au>
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Subject: Xserver always sets screens to 100dpi, ignores DisplaySize
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Hi,
I found that DisplaySize in the monitor section of
/etc/X11/XF86Config-4 is always being ignored. This
can be seen with "xdpyinfo" and /var/log/XFree86.0.log
to be 100dpi.
Section "Monitor"
Identifier "Philips"
VendorName "Philips"
ModelName "C20 (CM0500)"
HorizSync 31.5,35.2,37.8,48,56,64
DisplaySize 312 234
VertRefresh 50-90
Option "DPMS"
Gamma 2.4 2.5 2.6
EndSection
I found it's an xbase-clients installation bug. It makes the windows,
fonts, and icons in X the wrong size.
If you look in /var/log/XFree86.0.log or xdpyinfo, you'll find
that DisplaySize is ignored and you get a physical screen size different
to your real screen. It gets set to 100dpi when mine should be around 80dpi.
It means that any assumptions about font and window sizes by
X apps is all wrong. Instead of 1pt being 1/72", it's more like 1/60",
so all the fonts end up bigger than they should. It also means that
changing the resolution from 800x600 to 1024x768 changes the *physical*
screen size, making all the fonts and everything else change size when
they should be constant.
/etc/X11/xinit/xserverrc contains:
#!/bin/sh
exec /usr/bin/X11/X -dpi 100 -nolisten tcp
So i changed it to:
#!/bin/sh
exec /usr/bin/X11/X -nolisten tcp
which fixes the problem.
---------------------------------------
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>From branden@deadbeast.net Sat Sep 06 03:23:47 2003
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Date: Sat, 6 Sep 2003 03:23:46 -0500
From: Branden Robinson <branden@debian.org>
To: 182191-done@bugs.debian.org
Subject: Re: Bug#182191: Xserver always sets screens to 100dpi, ignores DisplaySize
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On Mon, Feb 24, 2003 at 01:46:18PM +1100, Russell Shaw wrote:
> I found that DisplaySize in the monitor section of
> /etc/X11/XF86Config-4 is always being ignored. This
> can be seen with "xdpyinfo" and /var/log/XFree86.0.log
> to be 100dpi.
>=20
> Section "Monitor"
> Identifier "Philips"
> VendorName "Philips"
> ModelName "C20 (CM0500)"
> HorizSync 31.5,35.2,37.8,48,56,64
> DisplaySize 312 234
> VertRefresh 50-90
> Option "DPMS"
> Gamma 2.4 2.5 2.6
> EndSection
>=20
> I found it's an xbase-clients installation bug. It makes the windows,
> fonts, and icons in X the wrong size.
>=20
> If you look in /var/log/XFree86.0.log or xdpyinfo, you'll find
> that DisplaySize is ignored and you get a physical screen size different
> to your real screen. It gets set to 100dpi when mine should be around 80d=
pi.
>=20
> It means that any assumptions about font and window sizes by
> X apps is all wrong. Instead of 1pt being 1/72", it's more like 1/60",
> so all the fonts end up bigger than they should. It also means that
> changing the resolution from 800x600 to 1024x768 changes the *physical*
> screen size, making all the fonts and everything else change size when
> they should be constant.
>=20
> /etc/X11/xinit/xserverrc contains:
>=20
> #!/bin/sh
> exec /usr/bin/X11/X -dpi 100 -nolisten tcp
>=20
> So i changed it to:
>=20
> #!/bin/sh
> exec /usr/bin/X11/X -nolisten tcp
>=20
> which fixes the problem.
I hate to say it, but this is a feature, not a bug.
Command-line arguments *should* override configuration file settings.
Debian sets the dpi to 100 because some X server video drivers calculate
bogus dpi settings when left to their own devices (see, for example:
<http://bugs.debian.org/180428>).
/etc/X11/xinit/xserverrc, /etc/X11/xdm/Xservers, and the configuration
files for other display managers can be edited by the local
administrator to change this, of course.
Thanks for using the Debian system!
Closing this bug.
--=20
G. Branden Robinson |
Debian GNU/Linux | De minimis non curat lex.
branden@debian.org |
http://people.debian.org/~branden/ |
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