[Trac-bugs] Comment on #250: user set screen resolution in X not used

Ian Robinson fitchkendall at gmail.com
Mon Feb 15 12:58:20 PST 2010

  2. Re: [PC-BSD Trac] #250: user set screen resolution in X  not used

> Date: Mon, 15 Feb 2010 14:27:51 -0000
> From: "PC-BSD" <trac at pcbsd.org>
> Subject: Re: [Trac-bugs] [PC-BSD Trac] #250: user set screen resolution in
> X not used
> #250: user set screen resolution in X not used
> -------------------------------+--------------------------------------------
>  Reporter:  bkn                |       Owner:
>     Type:  defect             |      Status:  new
>  Priority:  minor              |   Milestone:
> Component:  XOrg Configurator  |     Version:  8.0-RC
>  Keywords:                     |
> -------------------------------+--------------------------------------------
> Changes (by bkn):
>  * priority:  major => minor
> Comment:
>  To be fair, i just installed ubuntu 9.10 in vmware and the same behavior
>  exists (not only in KDE but gnome). This bug is not specific to PC-BSD.
> --
> Ticket URL: <http://trac.pcbsd.org/ticket/250#comment:1>
> PC-BSD <http://trac.pcbsd.org>
> PC-BSD Project Management
> ------------------------------
My comment is that the screen resolution set in X must be a resolution that
is supported by the display.

I experienced that problem in the past trying to make a portable with a max
resolution of 1024x768 do something greater.  Thus X will not do something
beyond the screen limits.

In another experience, I used both Display Setup Wizard and manual
configuration of /etc/X11/xorg.conf to set a display resolution that was
below the maximum resolution that the monitor was capable of doing, but was
not a supported resolution.  I could not figure out why X reverting the
display to 1024x768 even though the settings I had typed were below the
maximum and were still listed in xorg.conf.  However, after checking the
specs for my monitor on the manufacturer's web site, I found that I had set
a resolution that was not equal to but somewhere between the monitor's
supported resolution sets.  Once I set a supported resolution in xorg.conf,
it always produced a reliable result.

In conclusion, you should set resolutions that are supported by the display.

Ian Robinson
Salem, Ohio
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