[Libdlo] 3rd screen with displaylink and nvidia driver on ubuntu 10.10

[Jason Reusch]

I have also struggled to get a 3rd display working with an nvidia card on Ubuntu 10.10.  A working recipe would be much appreciated!

Ahoy,
Jason


----- Original Message -----
| I tried to configure a third screen connected with a displaylink
| (Konig
| USB VGA) on an ubuntu 10.10 Maverick Meerkat
| First I installed nvidia proprietary driver
| Next I followed these instructions
| http://ubuntuforums.org/showthread.php?p=9358565 to install
| displaylink
| driver libdlo (except for the update of the kernel cause I've already
| a
| newer one)
| Next when I reboot I have the prompt connexion on the screen connected
| with displaylink and an extended desktop on my 3 screens \o/
| BUT when I log in gdm crash immediatly!
| 
| I found this line in /var/log/syslog
| 
| Dec 2 12:40:47 bigmaze NetworkManager[1121]: <error>
| [1291290047.969035] [nm-manager.c:1317] user_proxy_init(): could not
| init user settings proxy: (3) Could not get owner of name
| 'org.freedesktop.NetworkManagerUserSettings': no such name
| 
| and googling say I have to disable Xinerama but is not enable in my
| /etc/x11/xorg.conf as you can see
| 
| # nvidia-settings: X configuration file generated by nvidia-settings
| # nvidia-settings: version 260.19.06 (buildd at palmer) Mon Oct 4
| 16:01:38 UTC 2010
| 
| Section "ServerLayout"
| Identifier "Layout0"
| Screen 0 "DisplayLinkScreen" 0 0
| Screen 1 "Screen0" RightOf "DisplayLinkScreen"
| Option "Xinerama" "0"
| EndSection
| 
| Section "Files"
| ModulePath "/usr/local/lib/xorg/modules/drivers"
| ModulePath "/usr/lib/xorg/modules"
| ModulePath "/usr/lib/xorg/modules/drivers"
| ModulePath "/usr/local/lib"
| EndSection
| 
| Section "Monitor"
| # HorizSync source: edid, VertRefresh source: edid
| Identifier "Monitor0"
| VendorName "Unknown"
| ModelName "Hitachi/HINT X220W D-sub"
| HorizSync 31.0 - 83.0
| VertRefresh 56.0 - 76.0
| Option "DPMS"
| EndSection
| 
| Section "Device"
| Identifier "Device0"
| Driver "nvidia"
| VendorName "NVIDIA Corporation"
| BoardName "GeForce 9500 GT"
| EndSection
| 
| Section "Screen"
| Identifier "Screen0"
| Device "Device0"
| Monitor "Monitor0"
| DefaultDepth 24
| Option "TwinView" "1"
| Option "TwinViewXineramaInfoOrder" "CRT-0"
| Option "metamodes" "CRT-0: nvidia-auto-select +0+0, CRT-1:
| nvidia-auto-select +1680+0"
| SubSection "Display"
| Depth 24
| EndSubSection
| EndSection
| 
| ##################################################{DisplayLink
| Section "Monitor"
| Identifier "DisplayLinkMonitor"
| EndSection
| Section "Device"
| Identifier "DisplayLinkDevice"
| Driver "displaylink"
| Option "fbdev" "/dev/fb0"
| EndSection
| Section "Screen"
| Identifier "DisplayLinkScreen"
| Device "DisplayLinkDevice"
| Monitor "DisplayLinkMonitor"
| SubSection "Display"
| Depth 16
| Modes "1024x768" "800x600" "640x480"
| EndSubSection
| EndSection
| ##################################################{
| 
| I suspected a conflict between nvidia and displaylink driver cause
| using default or nv driver is not crashing gdm (but I have not
| extended
| desktop with it).
| So I tried to install latest version of the nvidia driver from here
| http://www.nvidia.com/object/unix.html
| 
| but gdm is still crashing a few seconds after I log in :'(
| 
| Any suggestion?
| 
| regards
| 
| 
| Vincent
| 
| 
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