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#1 2016-03-22 08:05:29

maajk
Member
From: Sweden
Registered: 2016-01-16
Posts: 4

[SOLVED] No Signal. Nvidia and EDID problems

Hello

I've recently installed a nvidia GTX 580 in my arch computer. It works fine with the open source drivers but I ran into som issues trying to get it to work with the nvidia drivers. When i run startx my monitor goes dark and displays a no-signal message. It's a benq monitor connected with DVI.

After doing som internet searching i found this forum thread:

https://bbs.archlinux.org/viewtopic.php?id=101547

Reading it I came to the conclusion that EDID was most likely the problem. So following that and this linked guide:

http://www.cyberwizzard.nl//blog-linux- … tions.html

I created some xorg config files and enabled debugging so I could see what modes my monitor supported in the log file. I then disabled EDID and wrote my own ModeLine based on that and forced xorg to use it. This did not work however and after a lot of fiddling I am stuck and don't know what to do. These are the config files I have used:

/etc/X11/xorg.conf.d/10-monitor.conf

Section "Monitor"
	Identifier	"Monitor0"
	Option		"UseEdid" "False"
	HorizSync	30.0 - 83.0
	VertRefresh	50.0 - 76.0
	ModeLine 	"1920x1080" 148.50 1920 2008 2052 2200 1080 1084 1089 1125 +HSync +Vsync

	Option		"ExactModeTimingsDVI" "True"
	Option		"NoDFPNativeResolutionCheck"
	#Option		"DPI" "19x23" 
	Option		"DPMS"
EndSection


Section "Screen"
	Identifier	"Screen0"
	Device		"Nvidia Card"
	Monitor		"Monitor0"
	DefaultDepth	16	
	SubSection	"Display"
		Depth	32	
		Modes	"1920x1080"
	EndSubSection
	Option		"ModeDebug" "True"
EndSection

and /etc/X11/xorg.conf.d/20-nvidia.conf

Section "Device"
	Identifier "Nvidia Card"
	Driver "nvidia"
	VendorName "NVIDIA Corporation"
	Option "UseEDID" "False"
EndSection

Also, when reading the Xorg.0.log file i find this:

[   508.485] (II) NVIDIA(GPU-0): --- Modes in ModePool for CRT-0 ---
[   508.485] (II) NVIDIA(GPU-0): "nvidia-auto-select" : 1024 x  768 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1920x1080"          : 1920 x 1080 @  60.0 Hz  (from: X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "1920x1080_60"       : 1920 x 1080 @  60.0 Hz  (from: X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "1792x1344"          : 1792 x 1344 @  60.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1792x1344_60"       : 1792 x 1344 @  60.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1600x1200"          : 1600 x 1200 @  65.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1600x1200_65"       : 1600 x 1200 @  65.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1600x1200_60"       : 1600 x 1200 @  60.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1400x1050"          : 1400 x 1050 @  74.8 Hz  (from: X Server, X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "1400x1050_75"       : 1400 x 1050 @  74.8 Hz  (from: X Server, X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "1400x1050_60"       : 1400 x 1050 @  60.0 Hz  (from: X Server, X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "1280x1024"          : 1280 x 1024 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1280x1024_75"       : 1280 x 1024 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1280x1024_60"       : 1280 x 1024 @  60.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1280x960"           : 1280 x  960 @  60.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1280x960_60"        : 1280 x  960 @  60.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1152x864"           : 1152 x  864 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1152x864_75"        : 1152 x  864 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1024x768"           : 1024 x  768 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1024x768_75"        : 1024 x  768 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1024x768_70"        : 1024 x  768 @  70.1 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "1024x768_60"        : 1024 x  768 @  60.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "832x624"            :  832 x  624 @  74.6 Hz  (from: X Server, X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "832x624_75"         :  832 x  624 @  74.6 Hz  (from: X Server, X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "800x600"            :  800 x  600 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "800x600_75"         :  800 x  600 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "800x600_72"         :  800 x  600 @  72.2 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "800x600_60"         :  800 x  600 @  60.3 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "800x600_56"         :  800 x  600 @  56.2 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "700x525"            :  700 x  525 @  74.8 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "700x525d75"         :  700 x  525 @  74.8 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "700x525d60"         :  700 x  525 @  60.0 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.485] (II) NVIDIA(GPU-0): "640x480"            :  640 x  480 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "640x480_75"         :  640 x  480 @  75.0 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.485] (II) NVIDIA(GPU-0): "640x480_73"         :  640 x  480 @  72.8 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.486] (II) NVIDIA(GPU-0): "640x480_60"         :  640 x  480 @  59.9 Hz  (from: X Server, X Configuration file ModeLine, VESA)
[   508.486] (II) NVIDIA(GPU-0): "512x384"            :  512 x  384 @  70.1 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.486] (II) NVIDIA(GPU-0): "512x384d70"         :  512 x  384 @  70.1 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.486] (II) NVIDIA(GPU-0): "512x384d60"         :  512 x  384 @  60.0 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.486] (II) NVIDIA(GPU-0): "400x300"            :  400 x  300 @  72.2 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.486] (II) NVIDIA(GPU-0): "400x300d72"         :  400 x  300 @  72.2 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.486] (II) NVIDIA(GPU-0): "320x240"            :  320 x  240 @  72.8 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.486] (II) NVIDIA(GPU-0): "320x240d73"         :  320 x  240 @  72.8 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.486] (II) NVIDIA(GPU-0): "320x240d60"         :  320 x  240 @  60.1 Hz DoubleScan  (from: X Server, X Configuration file ModeLine)
[   508.486] (II) NVIDIA(GPU-0): --- End of ModePool for CRT-0: ---
[   508.486] (II) NVIDIA(GPU-0): 
[   508.486] (==) NVIDIA(0): 
[   508.486] (==) NVIDIA(0): No modes were requested; the default mode "nvidia-auto-select"
[   508.486] (==) NVIDIA(0):     will be used as the requested mode.
[   508.486] (==) NVIDIA(0):

The "No modes were requested" part makes me think that I did something wrong. I specified that I wanted to use the 1920x1080 mode but xorg seems to ignore it and go for "nvidia-auto-select". Now I can't figure out what to do so I am asking for your help.

Here is the full Xorg.0.log file:

http://pastebin.com/FZK8uCxv

I am very grateful for any help an I apologize if this has been a noob question.

Last edited by maajk (2016-03-23 13:48:24)

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#2 2016-03-22 15:02:01

clfarron4
Member
From: London, UK
Registered: 2013-06-28
Posts: 2,163
Website

Re: [SOLVED] No Signal. Nvidia and EDID problems

Did you remove the nouveau xorg.conf (or made it a backup file and remove the original)?

How exactly did you create the nvidia xorg settings? Did you try nvidia-xconfig?

Claire is fine.
Problems? I have dysgraphia, so clear and concise please.
My public GPG key for package signing
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#3 2016-03-22 15:33:06

maajk
Member
From: Sweden
Registered: 2016-01-16
Posts: 4

Re: [SOLVED] No Signal. Nvidia and EDID problems

I do not believe I had a nouveau xorg.conf file. Or if i had, It is now deleted. The arch wiki page about the nvidia driver does not recommend the nvidia-xconfig tool. But I have tried it and it didn't work, so I deleted that config. The current nvidia xorg config I made myself by looking at the wiki page and forum posts.

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#4 2016-03-23 13:13:38

maajk
Member
From: Sweden
Registered: 2016-01-16
Posts: 4

Re: [SOLVED] No Signal. Nvidia and EDID problems

Update:

I managed to get x.org to use my 1920x1080 modeline by not specifying Depth in the Display subsection. Like this:

SubSection	"Display"	
		Modes	"1920x1080"
EndSubSection

However, my screen is still saying there is no signal.

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#5 2016-03-23 13:48:01

maajk
Member
From: Sweden
Registered: 2016-01-16
Posts: 4

Re: [SOLVED] No Signal. Nvidia and EDID problems

SOLVED

Solution:

adding the line; 

Option "ConnectedMonitor" "DFP"

to the Device section seems to have solved the problem. Like this:

Section "Device"
	Identifier "Nvidia Card"
	Driver "nvidia"
	VendorName "NVIDIA Corporation"
	Option "UseEDID" "False"
        Option "ConnectedMonitor" "DFP"
EndSection

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