[Libdlo] Can't startup displaylink device correctly under ubuntu 9.10

[Kal McFate]

If you are using KMS (kernel mode setting) with the new kernels it must be
disabled for the display link devices to work. As it removes all video
functionality to the kernel out of the xf86 drivers. This is usually done by
passing 'nomodeset' to the kernel at boot.

On Wed, Nov 11, 2009 at 3:50 AM, responder.member <
responder.member at gmail.com> wrote:

>  hi all,
>
> I was tried to use my device link device under the latest ubuntu 9.10 (64
> bit) on my laptop (Acer 4736G with NVIDIA G105M) with no luck.
>
> My "Buffalo GX-DVI/U2" can be detceted correctly when I plugged it into the
> system.
> The screen will become green as mentioned by Bernie.
>
> Then I followed the instruction of
> http://mulchman.org/blog/?p=21
> &
> http://libdlo.freedesktop.org/wiki/Ubuntu9.04
>
> The xf86-video-displaylink can be compiled correctly.
> However, I found the following errors on Xorg.0.log
> =====
> (II) LoadModule: "displaylink"
> (II) Loading /usr/local/lib/xorg/modules/drivers//displaylink_drv.so
> (II) Module displaylink: vendor="X.Org Foundation"
>         compiled for 1.6.4, module version = 0.0.1
>         ABI class: X.Org Video Driver, version 5.0
> (II) DL: driver for : displaylink
> (WW) Falling back to old probe method for displaylink
> =====
>
> The following is my  xorg.conf. (w/ or w/o Xinerama didn't help.)
> =====
> Section "Screen"
>         Identifier      "Default Screen"
>         DefaultDepth    24
> EndSection
>
> Section "Module"
>         Load    "glx"
> EndSection
>
> Section "Device"
>         Identifier      "Default Device"
>         Driver  "nvidia"
>         Option  "NoLogo"        "True"
> EndSection
>
> #################################################
>
> Section "ServerLayout"
>         Identifier      "Server Layout"
>         Screen  0       "DisplayLinkScreen" 0 0
>         Screen  1       "DisplayLinkScreen" LeftOf "Default Screen"
>         Option "Xinerama" "on"
> EndSection
>
> #################################################
>
> Section "Files"
>         ModulePath      "/usr/lib/xorg/modules"
>         ModulePath      "/usr/local/lib/xorg/modules"
> EndSection
>
> ############### DisplayLink Stuff
> ###############
>
>
> Section "Device"
>         Identifier      "DisplayLinkDevice"
>         driver          "displaylink"
>         Option  "fbdev" "/dev/fb0"
> EndSection
>
> Section "Monitor"
>         Identifier      "DisplayLinkMonitor"
> EndSection
>
> Section "Screen"
>         Identifier      "DisplayLinkScreen"
>         Device          "DisplayLinkDevice"
>         Monitor         "DisplayLinkMonitor"
>         SubSection "Display"
>                 Depth   24
>                 Modes   "1400x1050"
>         EndSubSection
> EndSection
> ======
>
>
> I also tried to mark the NVIDIA's section and let DisplayLink be the
> default ouput.
> The X can show without the login screen.  : (
> I must miss something but just can't find where.
>
> Please kinldy show me some hints about it.
>
> Thanks in advance.
>
> _______________________________________________
> Libdlo mailing list
> Libdlo at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/libdlo
>
>


-- 
Kal McFate | Systems Engineer | The Rackspace Cloud | 210-415-1546
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