Multihead/ Multiseat Setup Problem

22 Jun 2012

      Ich habe da noch ein Problem:
Für die Kinder von Bekannten würde ich gern einen Rechner mit einem 
Mutliseat-Setup versehen, damit die sich nicht mehr beide streiten 
müssen. Da ich noch eine Tastatur und Maus, sowie einen Monitor da habe, 
der sonst weg fliegt wäre so ein Multiseat-Setup nat. ideal.
Hier die Config:
PC mit einer GraKa Nvidia GeForce 8400 GS AGP mit 1x DVI 1x VGA 1x SVHS/ 
TV-out
OS: openSUSE 12.1 (x86_64)
Kernel: 3.4.2-2-desktop
NVidia-Treiber: 295.53

Ich habe als erstes mit "nvidia-settings" eine Dualmonitor- xorg.conf 
und zwei X-screens erzeugt. Also kein TwinView! Die beiden X-Screens 
haben auch funktioniert.
Nachdem also beide X-Screens da waren, habe ich die xorg.conf nach 
folgenden Anleitungen angepasst:
http://forums.opensuse.org/english/get-technical-help-here/hardware/463718-o...
https://wiki.archlinux.org/index.php/Xorg_multiseat
Hier meine xorg.conf:
-------------------------------------------------------------------------------------------------------------

Section "ServerFlags"
     Option "AllowMouseOpenFail" "on"
     Option "AutoAddDevices" "off"
     Option "ZapWarning" "on"
     Option "Xinerama" "0"
EndSection

Section "ServerLayout"
     Identifier     "seat0"
     Screen         "Screen0" 0 0
     InputDevice    "keyboard0" "CoreKeyboard"
     InputDevice    "mouse0" "CorePointer"
     Option         "Xinerama" "0"
EndSection

Section "ServerLayout"
     Identifier     "seat1"
     Screen         "Screen1" 0 0
     InputDevice    "keyboard1" "CoreKeyboard"
     InputDevice    "mouse1" "CorePointer"
     Option         "Xinerama" "0"
EndSection

Section "Files"
EndSection

Section "InputDevice"
     Identifier     "mouse0"
     Driver         "mouse"
     Option         "Protocol" "auto"
     Option         "Device" "/dev/input/mouse0"
     Option         "Emulate3Buttons" "no"
     Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
     Identifier     "mouse1"
     Driver         "mouse"
     Option         "Protocol" "auto"
     Option         "Device" "/dev/input/mouse1"
     Option         "Emulate3Buttons" "no"
     Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
         Identifier      "keyboard0"
     Driver        "evdev"
         Option        "Protocol"    "Standard"
     Option        "XkbLayout"    "de"
     Option        "XkbRules"    "xfree86"
     Option          "Device" "/dev/input/by-id/usb-04f3_0103-event-kbd"
EndSection

Section "InputDevice"
         Identifier      "keyboard1"
     Driver        "evdev"
         Option        "Protocol"    "Standard"
     Option        "XkbLayout"    "de"
     Option        "XkbRules"    "xfree86"
         Option          "Device" "/dev/input/by-id/usb-046a_0011-event-kbd"
EndSection

Section "Monitor"
     Identifier     "Monitor0"
     VendorName     "Unknown"
     ModelName      "IBM"
     HorizSync       31.5 - 93.8
     VertRefresh     56.0 - 120.0
     Option         "DPMS"
EndSection

Section "Monitor"
     Identifier     "Monitor1"
     VendorName     "Unknown"
     ModelName      "Medion MD1772xe"
     HorizSync       30.0 - 70.0
     VertRefresh     50.0 - 120.0
     Option         "DPMS"
EndSection

Section "Device"
     Identifier     "Device0"
     Driver         "nvidia"
     VendorName     "NVIDIA Corporation"
     BoardName      "GeForce 8400 GS"
     BusID          "PCI:1:0:0"
     Screen          0
     Option       "Enable" "true"
EndSection

Section "Device"
     Identifier     "Device1"
     Driver         "nvidia"
     VendorName     "NVIDIA Corporation"
     BoardName      "GeForce 8400 GS"
     BusID          "PCI:1:0:0"
     Screen          1
     Option        "Enable" "true"
EndSection

Section "Screen"
     Identifier     "Screen0"
     Device         "Device0"
     Monitor        "Monitor0"
     DefaultDepth    24
     Option         "TwinView" "0"
     Option         "TwinViewXineramaInfoOrder" "CRT-0"
     Option         "metamodes" "CRT-0: 1280x1024_85 +0+0"
     SubSection     "Display"
         Depth       24
     EndSubSection
EndSection

Section "Screen"
     Identifier     "Screen1"
     Device         "Device1"
     Monitor        "Monitor1"
     DefaultDepth    24
     Option         "TwinView" "0"
     Option         "TwinViewXineramaInfoOrder" "CRT-1"
     Option         "metamodes" "CRT-1: 1024x768 +0+0"
     SubSection     "Display"
         Depth       24
     EndSubSection
EndSection
-------------------------------------------------------------------------------------------------------------

Nun wird der Screen0 erfolgreich geladen und in KDE eingeloggt. Nur der 
zweite X-Screen (Screen1) geht nicht (Auszug):
----------------------------- /var/log/Xorg.1.log 
-------------------------------------------------------
[    26.272] (II) Loading /usr/lib64/xorg/modules/libfb.so
[    26.273] (EE) Screen 0 deleted because of no matching config section.
[    26.273] (II) UnloadModule: "nvidia"
[    26.273] (II) Unloading nvidia
[    26.273] (II) UnloadModule: "wfb"
[    26.273] (II) Unloading wfb
[    26.273] (II) UnloadModule: "fb"
[    26.273] (II) Unloading fb
[    26.273] (EE) Device(s) detected, but none match those in the config 
file.
[    26.273]
Fatal server error:
[    26.273] no screens found
----------------------------- /var/log/Xorg.1.log 
-------------------------------------------------------

Warum bricht das ab? Was mache ich falsch?

-- 
Mit freundlichen Grüßen

Sebastian Reinhardt

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