Hello all,
Prequel: I have a Latitude D620 laptop. With Ubuntu.
I have successfully used an extended desktop with different screens ( a
HDMI Dell 19" at office via docking, and a VGA 17" (noname) at home)
I had an issue not related to this with the graphics, for which I don't
expect any feedback from this group, it is just to illustrate the
circumstances:
When I clicked with the right mouse button on a node in XCDP
(http://www.ecmwf.int/products/data/software/sms.html) The GUI session
hanged, untill I went to console (CTRL+ALT+F1) and terminated XCDP or
its parent shell.
This problem appeared to be generel for Ubuntu 10.04 local installs...
Yes curiously enough, this was not an issue for remote X-sessions.
A colleague installed ubuntu 10.10 and told me the issue with XCDP was
resolved after this upgrade.
So I performed the upgrade on my laptop and found also that the problem
with XCDP was resolved.
Alas I am no longer able to use extended desktop, "mirrored screens"
setup does work however.
I was looking in the Ubuntu forums for help and left a message there a
couple days ago, no answer yet.
Maybe any of you can help.
A clean solution would be nice but any help to get me more insight on
why this happens or were to go with troubleshooting is welcome.
I first tried with the "Monitors" configuration tool of ubuntu, but this
just fails without any error output.
I then tried arandr, this fails with this output:
XRandR failed:
XRandR returned error code 1: X Error of failed request: BadMatch
(invalid parameter attributes)
Major opcode of failed request: 150 (RANDR)
Minor opcode of failed request: 7 (RRSetScreenSize)
Serial number of failed request: 32
Current serial number in output stream: 33
On the website http://intellinuxgraphics.org I found some more info and
tried the following without much success.
r...@legolas:~# uname -a
Linux legolas 2.6.35-22-generic #33-Ubuntu SMP Sun Sep 19 20:34:50 UTC
2010 i686 GNU/Linux
r...@legolas:~# lshw | grep -i graphic
product: Mobile 945GM/GMS, 943/940GML Express Integrated
Graphics Controller
product: Mobile 945GM/GMS/GME, 943/940GML Express
Integrated Graphics Controller
r...@legolas:~# xrandr -q
Screen 0: minimum 320 x 200, current 1440 x 900, maximum 4096 x 4096
VGA1 connected 1440x900+0+0 (normal left inverted right x axis y axis)
408mm x 255mm
1440x900 59.9 + 75.0*
1280x1024 75.0 60.0
1280x800 59.8
1152x864 75.0
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 72.8 75.0 66.7 60.0
720x400 70.1
LVDS1 connected 1440x900+0+0 (normal left inverted right x axis y axis)
303mm x 190mm
1440x900 60.0*+ 59.9
1360x768 59.8 60.0
1152x864 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
DVI1 disconnected (normal left inverted right x axis y axis)
TV1 disconnected (normal left inverted right x axis y axis)
r...@legolas:~# xrandr --output VGA1 --left-of LVDS1
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 150 (RANDR)
Minor opcode of failed request: 7 (RRSetScreenSize)
Serial number of failed request: 32
Current serial number in output stream: 33
r...@legolas:~#
Thanks,
Joost Ringoot
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