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Old 06-27-10, 02:19 AM   #1
rasperin
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Join Date: Jun 2010
Posts: 3
Default TwinView Kubuntu 10.4

So after an entire two days trying to get this to work on my laptop LCD it appears I cannot get this to run on both my laptop LCD and my External LCD (HDMI Connected)

Note, I can run one or the other but not both. I am trying to set this up on a Sony Vaio VPCF127FX, Kubuntu 10.4, Nvidia 330M, Drivers 195.36.24. Attached is my xorg document.

Code:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder58)  Thu Apr 22 20:35:23 PDT 2010

#Doesn't work

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    Screen         "Screen1" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Acer"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "HDMI"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    Option         "ConnectedMonitor" "DFP,DFP"
    Option         "TwinView" "True"
    Option         "TwinViewOrientation" "RightOf"
    Option         "UseEdidFreqs" "True"
    Option	   "MetaModes"	"1920x1080"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "UseDisplayDevice" "DFP"
    Option         "ConnectedMonitor" "DFP-0"
    Option         "CustomEDID" "DFP-0:/etc/X11/MS_0025.bin"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Device0"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "UseDisplayDevice" "DFP"
    Option         "ConnectedMonitor" "DFP-1"
    Option         "CustomEDID" "DFP-1:/etc/X11/acer.bin"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection
Please help
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Old 06-28-10, 09:12 AM   #2
AaronP
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Posts: 2,487
Default Re: TwinView Kubuntu 10.4

The ConnectedMonitor and CustomEDID options apply to an entire GPU, so specifying different values for the different screens on a single GPU can lead to unexpected and confusing results. To make sure things work the way you want, you should probably specify the same things for both screens:

Code:
Option    "ConnectedMonitor" "DFP-0, DFP-1"
Option    "CustomEDID" "DFP-0: /etc/X11/MS_0025.bin; DFP-1: DFP-1:/etc/X11/acer.bin"
Also, UseDisplayDevice "DFP" doesn't make a whole lot of sense when both of your connected displays are DFPs. You should specify either DFP-0 or DFP-1 (or just remove the UseDisplayDevice option entirely).
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Old 06-28-10, 09:15 AM   #3
AaronP
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Default Re: TwinView Kubuntu 10.4

Oh and by the way, since the title of your post is "TwinView Kubuntu 10.4", I should point out that what you've configured is called "separate X screens", and is *not* TwinView. If you want TwinView, get rid of Screen1 and just set
Code:
Option    "TwinView"
on Screen0.
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Old 06-28-10, 03:33 PM   #4
rasperin
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Posts: 3
Default Re: TwinView Kubuntu 10.4

Quote:
Originally Posted by AaronP View Post
The ConnectedMonitor and CustomEDID options apply to an entire GPU, so specifying different values for the different screens on a single GPU can lead to unexpected and confusing results. To make sure things work the way you want, you should probably specify the same things for both screens:

Code:
Option    "ConnectedMonitor" "DFP-0, DFP-1"
Option    "CustomEDID" "DFP-0: /etc/X11/MS_0025.bin; DFP-1: DFP-1:/etc/X11/acer.bin"
Also, UseDisplayDevice "DFP" doesn't make a whole lot of sense when both of your connected displays are DFPs. You should specify either DFP-0 or DFP-1 (or just remove the UseDisplayDevice option entirely).
The thing is, for kubuntu to work on my laptop LCD, I had to define a custom EDID for that screen (a known bug with ubuntu and nvidia's 195 drivers I guess). I'm going to try the double custom EDID when I get home tonight.

I would also like to mention that nvidia-settings doesn't detect the external monitor UNLESS I disable the laptop LCD in the xorg.conf. Then it detects it as DFP-1.
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Old 06-28-10, 10:34 PM   #5
rasperin
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Posts: 3
Default Re: TwinView Kubuntu 10.4

I thought I'd mention that I love you! That worked, now any hints on how to get my alps touchpad working or EVGA's UV+ 19 external USB (Display Link) Display adapter to work?
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