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Old 03-07-07, 11:11 AM   #1
lokida
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Join Date: Feb 2007
Posts: 3
Default nvidia-settings & xorg.conf and multi screens

Hi,

I have a computer with a quadro FX 3400 with two dvi output. I have 2 monitors with full hd resolution 1920x1080. My problem is that I have configured my xorg.conf to use the two monitors as a big desktop but it is not ok.

The first monitor is ok (1920x1080) but the second is not well recognized.
When I use nvidia-settings there is the first monitor that is at 1920x1080 but the sekond is at 640x480 and is not activate.

Moreover, for the first monitor there is a lot of resolution whereas I have only defined one resolution (1920x1080).

If someone can explain me why I have such a result with nvidia-settings and how can I resolve this problem and really use my xorg.conf ?

Thank you !

My xorg.conf:

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder26) Fri Dec 15 10:40:27 PST 2006

# Xorg configuration created by system-config-display


Section "ServerLayout"
Identifier "HD"
Screen 0 "ScreenHD_0" 0 0
Screen 1 "ScreenHD_1" RightOf "ScreenHD_0"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection


Section "Files"
RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "unix/:7100"
EndSection

Section "Module"
Load "dbe"
Load "extmod"
Load "fbdevhw"
Load "glx"
Load "record"
Load "freetype"
Load "type1"
EndSection

Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "fr"
EndSection

Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "yes"
EndSection


Section "Monitor"
Identifier "HD_monitor"
VendorName "Projection Design"
ModelName "Action! Model three 1080"
HorizSync 15.0 - 150.0
VertRefresh 48.0 - 190.0
ModeLine "1920x1080i" 82.620 1920 2089 2153 2448 1080 1100 1105 1125 +Hsync +Vsync interlace
EndSection

Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "Videocard vendor"
BoardName "NVIDIA Quadro FX 3400"
Screen 0
EndSection

Section "Device"
Identifier "Videocard1"
Driver "nvidia"
VendorName "Videocard vendor"
BoardName "NVIDIA Quadro FX 3400"
Screen 1
EndSection


Section "Screen"
Identifier "ScreenHD_0"
Device "Videocard0"
Monitor "HD_monitor"
DefaultDepth 24

SubSection "Display"
Viewport 0 0
Depth 24
Modes "1920x1080i"
EndSubSection
EndSection

Section "Screen"
Identifier "ScreenHD_1"
Device "Videocard1"
Monitor "HD_monitor"
DefaultDepth 24

SubSection "Display"
Viewport 0 0
Depth 24
Modes "1920x1080i"
EndSubSection
EndSection
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Old 03-07-07, 01:40 PM   #2
netllama
NVIDIA Corporation
 
Join Date: Dec 2004
Posts: 8,763
Default Re: nvidia-settings & xorg.conf and multi screens

Please start X with the following command:
startx -- -logverbose 6

and then generate and attach an nvidia-bug-report.log while the problem is present.

Thanks,
Lonni
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Old 03-08-07, 04:57 AM   #3
lokida
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Join Date: Feb 2007
Posts: 3
Default Re: nvidia-settings & xorg.conf and multi screens

Here 's the nvidia-bug-report.log : nvidia-bug-report.log.zip
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Old 03-08-07, 12:42 PM   #4
netllama
NVIDIA Corporation
 
Join Date: Dec 2004
Posts: 8,763
Default Re: nvidia-settings & xorg.conf and multi screens

I see a number of problems in your bug report.

First, the EDID for both CRTs is not getting detected:
(WW) NVIDIA(GPU-0): Unable to read EDID for display device CRT-0
(WW) NVIDIA(GPU-0): Unable to read EDID for display device CRT-1
While you don't neccesarily need the EDID for a CRT, it seems very strange that neither has one. How are you connecting the CRTs to the graphics card?

Second, if you're using multiple Device sections in xorg.conf, you need to specify the BusID in them, or the X server has no way of knowing which physical device you're referencing. This is likely the biggest problem.

Thanks,
Lonni
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Old 03-09-07, 04:11 AM   #5
lokida
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Join Date: Feb 2007
Posts: 3
Default Re: nvidia-settings & xorg.conf and multi screens

I can't use EDID because I use a matrix switcher (I have severals monitors). that's why edid can't be used.

For the Bus id it is true, I don't use it. I will correct it.
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