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Old 01-12-09, 10:45 AM   #1
poort
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Join Date: Dec 2007
Posts: 5
Default debian nvidia multiple screens

I have a debian with multiple screens and latest nvidia-driver 180(but happens also with earlier drivers)and sometimes nvidia and/or xorg does not detect 1 or 2 screens.
One off the two reboots it's ok.It's mostley screen 10 that is not detected.
Here is my xorg.conf
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
Screen 1 "Screen1" RightOf "Screen0"
Screen 2 "Screen2" RightOf "Screen1"
Screen 3 "Screen3" RightOf "Screen2"
Screen 4 "Screen4" RightOf "Screen3"
Screen 5 "Screen5" RightOf "Screen4"
Screen 6 "Screen6" RightOf "Screen5"
Screen 7 "Screen7" RightOf "Screen6"
Screen 8 "Screen8" RightOf "Screen7"
Screen 9 "Screen9" RightOf "Screen8"
Screen 10 "Screen10" RightOf "Screen9"
Screen 11 "Screen11" RightOf "Screen10"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

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

Section "ServerFlags"
Option "AllowMouseOpenFail" "yes"
# Option "Xinerama" "0"
Option "blank time" "0"
Option "standby time" "0"
Option "suspend time" "0"
Option "off time" "0"
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 "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
Option "DPMS"
EndSection

Section "Monitor"
Identifier "Monitor1"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor2"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor3"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor4"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor5"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor6"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor7"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor8"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor9"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor10"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor11"
VendorName "Unknown"
ModelName "HSD Hanns.G HW173"
HorizSync 24.0 - 71.0
VertRefresh 55.0 - 75.0
EndSection

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:6:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:6:0:0"
Screen 1
EndSection

Section "Device"
Identifier "Device2"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:13:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device3"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:13:0:0"
Screen 1
EndSection

Section "Device"
Identifier "Device4"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:12:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device5"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:12:0:0"
Screen 1
EndSection

Section "Device"
Identifier "Device6"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:11:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device7"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:11:0:0"
Screen 1
EndSection

Section "Device"
Identifier "Device8"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:10:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device9"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:10:0:0"
Screen 1
EndSection

Section "Device"
Identifier "Device10"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:7:0:0"
Screen 0
EndSection

Section "Device"
Identifier "Device11"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 7300 SE/7200 GS"
BusID "PCI:7:0:0"
Screen 1
EndSection

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

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

Section "Screen"
Identifier "Screen2"
Device "Device2"
Monitor "Monitor2"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-0: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen3"
Device "Device3"
Monitor "Monitor3"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen4"
Device "Device4"
Monitor "Monitor4"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-0: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen5"
Device "Device5"
Monitor "Monitor5"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen6"
Device "Device6"
Monitor "Monitor6"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-0: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen7"
Device "Device7"
Monitor "Monitor7"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen8"
Device "Device8"
Monitor "Monitor8"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-0: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen9"
Device "Device9"
Monitor "Monitor9"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen10"
Device "Device10"
Monitor "Monitor10"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-0: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen11"
Device "Device11"
Monitor "Monitor11"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-1: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
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Old 01-12-09, 11:13 AM   #2
AaronP
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Join Date: Mar 2005
Posts: 2,487
Default Re: debian nvidia multiple screens

Holy cow, 12 screens?? That's awesome!

Please try to get bug report logs in the good and bad cases so we can compare them.
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Old 01-12-09, 12:53 PM   #3
poort
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Join Date: Dec 2007
Posts: 5
Default Re: debian nvidia multiple screens

Quote:
Originally Posted by AaronP View Post
Holy cow, 12 screens?? That's awesome!

Please try to get bug report logs in the good and bad cases so we can compare them.
i design multiseatcomputers.This one is for 12 users using 6 nvidia dual head cards:
http://94.75.213.142/twaalf/
that's a good xorg.log:
http://94.75.213.142/twaalf/good.htm
and this is the bad one:
http://94.75.213.142/twaalf/bad.htm
I think this is the error in bad.htm:
WW) NVIDIA(GPU-1): Unable to read EDID for display device CRT-1
I used to have the same error in other 8 screen or six screen configurations but I was able to resolve it by using an old nvidia driver.
But on debian lenny i am unable to install an older driver anymore.
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Old 01-12-09, 07:13 PM   #4
JaXXoN
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Join Date: Jul 2005
Location: Munich
Posts: 910
Default Re: debian nvidia multiple screens

Quote:
Originally Posted by poort View Post
WW) NVIDIA(GPU-1): Unable to read EDID for display device CRT-1
You may try the following procedure:

1. Connect one of the displays to a PC with nvidia-card were it works.
2. Run nvidia-settings, goto the "DFP-0 - (displayname)" and click "Acquire EDID".
3. Save the EDID file and copy it to i.e. /etc/X11/edid.bin
4. Add the following line to each screen section:

Code:
Option "CustomEDID" "DFP-0:/etc/X11/edid.bin;DFP-1:/etc/X11/edid.bin"
(Assuming all display are the same ones)

However, the problem is that when you change any of the displays to
a different model, then you may need to fiddle around with different
EDID files.

But maybe you can at least isolate the problem this way.

regards

Bernhard
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Old 01-13-09, 11:45 AM   #5
poort
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Join Date: Dec 2007
Posts: 5
Default Re: debian nvidia multiple screens

Quote:
Originally Posted by JaXXoN View Post
You may try the following procedure:

1. Connect one of the displays to a PC with nvidia-card were it works.
2. Run nvidia-settings, goto the "DFP-0 - (displayname)" and click "Acquire EDID".
3. Save the EDID file and copy it to i.e. /etc/X11/edid.bin
4. Add the following line to each screen section:

Code:
Option "CustomEDID" "DFP-0:/etc/X11/edid.bin;DFP-1:/etc/X11/edid.bin"
(Assuming all display are the same ones)

However, the problem is that when you change any of the displays to
a different model, then you may need to fiddle around with different
EDID files.

But maybe you can at least isolate the problem this way.

regards

Bernhard
Try all that but no solution.It's a very rare error, i do not know if it is nvidia related:
If the computer is off and I start it, one or two screens do not work or wake up.But after that if I reboot(reboot button on pc) the screens working all well.If I reboot again,the screens all work.It's only when I boot the pc when the computer is off, one or two screens do not work.Is it debian lenny, or the bios?
I used to solve this problem with this driver:
Linux x64 (AMD64/EM64T) Display Driver
Version: 100.14.19
But now i am unable to install it in debian lenny
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Old 01-14-09, 11:08 AM   #6
poort
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Join Date: Dec 2007
Posts: 5
Default Re: debian nvidia multiple screens

Quote:
Originally Posted by poort View Post
Try all that but no solution.It's a very rare error, i do not know if it is nvidia related:
If the computer is off and I start it, one or two screens do not work or wake up.But after that if I reboot(reboot button on pc) the screens working all well.If I reboot again,the screens all work.It's only when I boot the pc when the computer is off, one or two screens do not work.Is it debian lenny, or the bios?
I used to solve this problem with this driver:
Linux x64 (AMD64/EM64T) Display Driver
Version: 100.14.19
But now i am unable to install it in debian lenny
I can confirm that all is working perfect with debian etch +NVIDIA-Linux-x86-100.14.19-pkg1.run

Can I install this driver in lenny?
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Old 01-16-09, 02:54 PM   #7
poort
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Join Date: Dec 2007
Posts: 5
Default Re: debian nvidia multiple screens

Quote:
Originally Posted by poort View Post
I can confirm that all is working perfect with debian etch +NVIDIA-Linux-x86-100.14.19-pkg1.run

Can I install this driver in lenny?
Did find the problem:nvidia and/or xorg is asking too much info from the monitors, so if the cable has some extensions,the signal is not so good anymore,so the screen does not start.No problems however on dvi to vga cable.
So the older drivers of nvidia were not so exact in getting info from the screens,but the screens worked well.How to solve this?How can I prevent that nvidia and xorg need too much and exact info from the screens? I want it just like the old days where one has to setup the screen manualy in the xorg.conf.
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Old 01-21-09, 12:09 AM   #8
thriftee
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Default Re: debian nvidia multiple screens

I couldn't get any of the 3 lenny versions i burned to boot at all. I did get my dual 9500 gt's running 4 screens on etch today, though.

Now I need to figure out how to drag windows to the other screens... Any Ideas?
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