[Bug 29950] Unwanted options in System>>Preferences>>Screen Resolution

Alan Barnard alanbarnard at blueyonder.co.uk
Sat Jan 28 22:00:17 UTC 2006


Public bug reported:
https://launchpad.net/malone/bugs/29950

Affects: gnome-desktop (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

Description:
I have two computers: Silverbox, with an Nvidia GeForce4 graphics card
and Nvidia drivers, dual boot, WinXP and Ubuntu 5.10 with k7 kernel and
quite a few additions and modifications including a hand-edited
/etc/X11/xorg.conf; also, Blackbox with an old Number 9 Imagine T2R
card, k6 processor, running a fresh install of Ubuntu 5.10 without
updates.

They share a 19inch CTX CRT monitor and a KVM switch - the monitor never
gets identified, thus the need to edit xorg.conf..

Both exhibit the same problem: the list of resolution options contains
unwanted entries, some of which do not even work correctly.

Looking now at Blackbox. I have looked in /var/log/Xorg.0.log as well as
/etc/X11/xorg.conf and cannot find any meaningful relationship between
their resolution entries, nor can I find any meaningful relationship
between either of them and the drop-down preferences list. The top entry
on the list is 1600x1200 which is used for the log-on screen (actually
it barely works), this appears in xorg.conf but does not appear as a
usable entry in Xorg.0.log - editing it out of xorg.conf makes it go
away. 720x400 appears in xorg.conf but not on the drop-down list. But
the drop-down list includes all sorts of extra resolutions such as
928x696 which is not found in xorg.conf  but is found in Xorg.0.log as a
usable resolution.

Silverbox and Blackbox are very different machines and the corresponding
xorg.conf and Xorg.0.log file are very different. The problem, however,
exists on both.

I would like to get rid of this feature because it is not only confusing
to users but it gives them the opportunity to make their system
unusable.




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