On Tuesday 09 September 2008 07:24:38 am Steven J Newbury wrote:

>
> I the biggest thing needed currently from an Xorg perspective, with
> respect to multiseat, would be the ability to have a HAL policy tie
> specific devices to specific displays - unless I'm missing something?

Multiseat is available, at least in beta.

http://wiki.c3sl.ufpr.br/multiseat/index.php/Main_Page

I've been running multiseat based on nvidia binary drivers for quite a while.  
It's an unsupported configuration but it works quite well. I'll try to get 
some time and document what I've done.

It's not hard.  I do some udev magic to ID the keyboard and then it's a piece 
of cake.

Section "ServerLayout"
    Identifier     "Noriko"
    Screen      0  "Noriko" 0 0
    InputDevice    "MouseNoriko" "CorePointer"
    InputDevice    "KeyboardNoriko" "CoreKeyboard"
    Option         "SingleCard" "yes"
    Option   "AIGLX"   "true"
    Option "AutoAddDevices" "no"
Option         "xinerama" "false"
EndSection

Section "InputDevice"
    Identifier     "KeyboardNoriko"
    Driver         "evdev"
    Option         "device" "/dev/input/by-user/KeyboardNoriko"
    Option         "CoreKeyboard"
EndSection

Section "InputDevice"
    Identifier     "MouseNoriko"
    Driver         "mouse"
    Option         "Protocol" "auto"
 
Option         "Device" 
"/dev/input/by-path/pci-0000:00:02.1-usb-0:4.1:1.0-mouse"
    Option         "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
    Identifier     "Noriko"
    VendorName     "VSC"
    ModelName      "E40-3"
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Noriko"
    Driver         "nvidia"
    VendorName     "nVidia Corporation"
    BoardName      "Quadra"
    Option         "ProbeAllGpus" "false"
    Option         "Noint10" "true"
    Option         "Twinview" "false"
    Option         "MultiGPU" "off"
    Option         "SLI" "off"
    Option         "NvAGP" "3"
    BusID          "PCI:6:0:0"
EndSection


This should get you started.

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