'Re: dual-DPU XRandR almost working, DVI-0 stays blank (was: "Screen 1'

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List: freedesktop-xorg
Subject: Re: dual-DPU XRandR almost working, DVI-0 stays blank (was: "Screen 1
From: Corbin Simpson <mostawesomedude () gmail ! com>
Date: 2010-02-22 22:54:31
Message-ID: e7bd23c31002221454y2f83a354vbd800ab4f748bb52 () mail ! gmail ! com
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You'll have to Zaphod the head. Good luck. :3

Posting from a mobile, pardon my terseness. ~ C.

On Feb 22, 2010 11:37 AM, "martin f krafft" <madduck@madduck.net> wrote:

also sprach martin f krafft <madduck@madduck.net> [2010.02.22.1317 +0100]:

> Based on the auto-configuration idea, I found that XRandR wants me
> to have just two Device secti...
A reboot of the machine fixed that.

Now it seems like the only remaining problem now is that Screen 1,
which is the Radeon 9200 card, provides a display spanning both
monitors, but it appears to my window manager (awesome) as a single
head.

xorg.conf and log attached.

xrandr again shows everything as I'd expect it, but something is
preventing X from creating two heads for the screen:

 % xrandr -display :0.1 -q                                   #1,10022

Screen 1: minimum 320 x 200, current 2560 x 1024, maximum 4096 x 4096
DVI-1 connected 1280x1024+...
How can I split the screen into two heads? Note that I do not want
to return to pure-Zaphod and duplicating Device/Screen sections for
each of the two ports of the Radeon 9200 (using Screen 0/1 lines),
because I'd just run into the problem described here again:
 http://lists.freedesktop.org/archives/xorg/2010-February/049355.html

Thanks,

-- 
martin | http://madduck.net/ | http://two.sentenc.es/
the early bird may get the worm,
but the second mouse gets the cheese in the trap.

spamtraps: madduck.bogus@madduck.net

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<p>You&#39;ll have to Zaphod the head. Good luck. :3</p>
<p>Posting from a mobile, pardon my terseness. ~ C.</p>
<p><blockquote type="cite">On Feb 22, 2010 11:37 AM, &quot;martin f krafft&quot; \
&lt;<a href="mailto:madduck@madduck.net">madduck@madduck.net</a>&gt; \
wrote:<br><br>also sprach martin f krafft &lt;<a \
href="mailto:madduck@madduck.net">madduck@madduck.net</a>&gt; [2010.02.22.1317 \
+0100]:<br>

&gt; Based on the auto-configuration idea, I found that \
XRandR wants me &gt; to have just two Device secti...A reboot of the \
machine fixed that. 
Now it seems like the only remaining problem now is that Screen 1, 
which is the Radeon 9200 card, provides a display spanning both 
monitors, but it appears to my window manager (awesome) as a single 
head. 
 
xorg.conf and log attached. 
 
xrandr again shows everything as I&#39;d expect it, but something is 
preventing X from creating two heads for the screen: 
 
 % xrandr -display :0.1 -q #1,10022 
 Screen 1: minimum 320 x 200, current 2560 x 1024, maximum \
4096 x 4096 DVI-1 connected 1280x1024+...How can I split the screen \
into two heads? Note that I do not want to return to pure-Zaphod and duplicating \
Device/Screen sections for each of the two ports of the Radeon 9200 (using Screen \
0/1 lines), because I&#39;d just run into the problem described here again: 
 <a href="http://lists.freedesktop.org/archives/xorg/2010-February/049355.html" \
target="_blank">http://lists.freedesktop.org/archives/xorg/2010-February/049355.html</a> 
 Thanks, -- martin | <a \
href="http://madduck.net/">http://madduck.net/</a> | <a \
href="http://two.sentenc.es/">http://two.sentenc.es/</a> the early \
bird may get the worm,

but the second mouse gets the cheese in the trap.<br>
<p><font color="#500050"> <br>spamtraps: <a \
href="mailto:madduck.bogus@madduck.net">madduck.bogus@madduck.net</a></font></p><br>-----BEGIN \
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JhsAoOLpQuqYX7OhammBica84Imr+9jo<br>
=DpvV<br>
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<br></blockquote></p>

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