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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NV84] using DVI to VGA adapter for CRT and specifying supported "PreferredMode" >EDID preferred mode, screen output is compressed into small fraction of top scan lines"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69083#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NV84] using DVI to VGA adapter for CRT and specifying supported "PreferredMode" >EDID preferred mode, screen output is compressed into small fraction of top scan lines"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69083">bug 69083</a>
from <span class="vcard"><a class="email" href="mailto:mrmazda@earthlink.net" title="Felix Miata <mrmazda@earthlink.net>"> <span class="fn">Felix Miata</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=85420" name="attach_85420" title="verbose xrandr output per comment infra">attachment 85420</a> <a href="attachment.cgi?id=85420&action=edit" title="verbose xrandr output per comment infra">[details]</a></span>
verbose xrandr output per comment infra
(In reply to <a href="show_bug.cgi?id=69083#c1">comment #1</a>)
<span class="quote">> Are you sure that the display is actually compressed into the top few
> scanlines? e.g. do you see the mouse cursor in there when you move it
> around?</span >
I started working out this problem 3 months ago. I spent mucho hours trying to
separate it from other bugs at the time. It took me more than two days. A small
sample of the 93 saved logs from that time:
<a href="http://fm.no-ip.com/Tmp/Linux/Xorg/PrefMode/">http://fm.no-ip.com/Tmp/Linux/Xorg/PrefMode/</a>
As the session begins to open I see the wallpaper colors, which later change as
Konsole and the panel should be painted. But, I can see the tip of the mouse
pointer in it at times.
<span class="quote">> Does it show your normal background?</span >
Can't really tell. My *normal* background is usually hidden under a pile of
windows.
<span class="quote">> Or is it just garbage that
> happens to not have 0's for the top few scanlines' worth of data?</span >
It's clearly a color pattern based upon the wallpaper and the panel and
Konsole.
<span class="quote">> I've never used PreferredMode before. If you remove it, I assume everything
> works fine?</span >
Yup. Without it happily uses the EDID preference instead of mine.
<span class="quote">> What happens if you run something like</span >
<span class="quote">> xrandr --output DVI-I-1 --mode 1920x1440</span >
<span class="quote">> does that fix things for you? Can you supply the output of</span >
<span class="quote">> xrandr --verbose</span >
<span class="quote">> after X has started? (You can e.g. ssh in and run DISPLAY=:0 xrandr
> --verbose)</span >
Instead of trying to figure out ssh, I made this script:
xrandr --verbose > xrandrout.txt
echo mark >> xrandrout.txt
xrandr --output DVI-I-1 --mode 1920x1440
echo mark >> xrandrout.txt
xrandr --verbose >> xrandrout.txt
I closed a working prior session with Konsole open, added back to configfile
the non-working PreferredMode, started new session, and after a short wait for
Konsole to get open I ran the script.
It changed nothing WRT to the bug, display still mostly just black. Good thing
Ctrl-Alt-BS works.</pre>
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