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Old 03-09-05, 11:39 AM   #1
the_isz
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Location: Germany
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Default black screen: problem with frequencies?

Hi @all,

I just switched from ati to nVidia and seem to have some problems configuring the xorg file.

The problem is the following:

The nvidia kernel module compiled fine and loads without errors (except for the warning about the kernel tainting, of course). But when I start the x-server, my screen turns black with a "no signal" message.

My Xorg.log file doesn't show any errors, but looking at the nvidia-bug-report, it seems the frequencies I took directly out my monitor manual are ignored by the x-server.

Maybe someone can tell me what I have done wrong. I'll attach the nvidia-bug-report file.

Some info on my system:

Distro: Gentoo (stage 2)
Kernel: 2.6.10
nVidia driver version: 6629-r1

Graphics Card: GeForce 6800 Gt
Mainboard: ASUS A7N8X Deluxe (rev 2.0)

Thanks in advance,

timo
Attached Files
File Type: txt nvidia-bug-report.txt (68.5 KB, 147 views)
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Old 03-09-05, 07:49 PM   #2
daz_man2803
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Default Re: black screen: problem with frequencies?

having the same problem under Mepis. I can get the nvidia drivers installed but when i boot i just get a black screen just before the log on screen.

Distro: Mepis
Kernel: 2.6.10
Nvidia Driver: 6629
Graphic Card: GeForce 6800 GT
Mainboard: ASUS K8V-X
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Old 03-09-05, 08:57 PM   #3
the_isz
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Default Re: black screen: problem with frequencies?

I think I got my system running now.

What I think had happened was that in my xorg.conf file I set the appropriate frequencies and options for my monitor and tv but the x-server messed up these two. It tried to address my tv as my monitor and shut down my monitor.

In the first place, the solution was to seperately address each device by its name in each config option. Thus, the x-server was able to start and the screens went on.

This is the device section I had before:

Code:
Section "Device"
    Identifier                          "nVidia Graphics Adapter"
    Driver                              "nvidia"
    BusID "PCI:3:0:0"
    Option "NvAGP" "3"
    Option "RenderAccel" "yes"
    Option "HWCursor" "yes"
    Option "ConnectedMonitor" "DFP"
    Option "IgnoreDisplayDevices" "CRT,TV"
    Option "TwinView" "no"
    Option "TVOutFormat" "SVIDEO"
    Option "TVStandard" "PAL-B"
    Option "TwinViewOrientation" "clone"
    Option "SecondMonitorHorizSync" "31.5-48.4"
    Option "SecondMonitorVertRefresh" "60-75"
    Option "MetaModes" "1280x1024,1024x768;1024x768,1024x768"
    Screen 0
EndSection
now I use the following:

Code:
Section "Device"
    Identifier                          "nVidia Graphics Adapter"
    Driver                              "nvidia"
    BusID "PCI:3:0:0"
    Option "NvAGP" "3"
    Option "RenderAccel" "yes"
    Option "HWCursor" "yes"
    Option "TwinView" "yes"
    Option "ConnectedMonitor" "DFP-0,TV-0"
    Option "IgnoreDisplayDevices" "CRT"
    Option "TVOutFormat" "SVIDEO"
    Option "TVStandard" "PAL-B"
    Option "TwinViewOrientation" "clone"
    Option "HorizSync" "DFP-0: 30-83; TV-0: 31.5-48.4"
    Option "VertRefresh" "DFP-0: 55-75; TV-0: 60-75"
    Option "MetaModes" "DFP-0: 1280x1024, TV-0: 1024x768; DFP-0: 1024x768, TV-0: 1024x768"
    Screen 0
EndSection
Yet, I got some bad news...

As long as I used this new config, my favourite desktop environment - xfce4 - refused to start. So I disabled TwinView and it worked... even though some settings seem to have changed.
Perhaps the x-server treats my monitor as the secondary device and that leads to the problems. But I don't know how to change that at the moment except by switching off TwinView.

So I think there's some space left for enhancements to this solution. But at least I can work under linux again

I'll tell you if I find out more. 'Til then:

Good n8,

Timo
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Old 03-10-05, 03:40 PM   #4
nxtour
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Posts: 2
Default Re: black screen: problem with frequencies?

Quote:
Originally Posted by the_isz
Hi @all,

I just switched from ati to nVidia and seem to have some problems configuring the xorg file.

The problem is the following:

The nvidia kernel module compiled fine and loads without errors (except for the warning about the kernel tainting, of course). But when I start the x-server, my screen turns black with a "no signal" message.

My Xorg.log file doesn't show any errors, but looking at the nvidia-bug-report, it seems the frequencies I took directly out my monitor manual are ignored by the x-server.

Maybe someone can tell me what I have done wrong. I'll attach the nvidia-bug-report file.

Some info on my system:

Distro: Gentoo (stage 2)
Kernel: 2.6.10
nVidia driver version: 6629-r1

Graphics Card: GeForce 6800 Gt
Mainboard: ASUS A7N8X Deluxe (rev 2.0)

Thanks in advance,

timo
In your Xorg.log:

(II) LoadModule: "dri"
(II) Loading /usr/lib/modules/extensions/libdri.a
(II) Module dri: vendor="X.Org Foundation"
compiled for 6.8.0, module version = 1.0.0
ABI class: X.Org Server Extension, version 0.2

You should comment out "Load "dri" line in your xorg.conf
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