Question

9

X server doesn't work on Ubuntu 14.04. What may be happening?

rated 0 times [ 9] [ 0] / answers: 1 / hits: 24613 / 2 Years ago, fri, april 8, 2022, 3:36:59

This how I used to setup my X Server on Ubuntu 13.

apt-get update

apt-get upgrade



# nvidia

apt-get -y install nvidia-current

apt-get -y install nvidia-current-updates



# x server

apt-get -y install xserver-xorg

apt-get -y install x11-xserver-utils



export DISPLAY=localhost:0.0



X :0 &

xhost +

On Ubuntu 14, I am getting the following error when I do X :0:

[  3491.124] (II) Module wfb: vendor="X.Org Foundation"

[  3491.124]    compiled for 1.15.1, module version = 1.0.0

[  3491.124]    ABI class: X.Org ANSI C Emulation, version 0.4

[  3491.124] (II) Loading sub module "ramdac"

[  3491.124] (II) LoadModule: "ramdac"

[  3491.124] (II) Module "ramdac" already built-in

[  3491.125] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32

[  3491.125] (==) NVIDIA(0): RGB weight 888

[  3491.125] (==) NVIDIA(0): Default visual is TrueColor

[  3491.125] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)

[  3491.125] (**) NVIDIA(0): Enabling 2D acceleration

[  3491.569] (II) NVIDIA(0): NVIDIA GPU GeForce GTX 650 Ti (GK106) at PCI:1:0:0 (GPU-0)

[  3491.569] (--) NVIDIA(0): Memory: 2097152 kBytes

[  3491.569] (--) NVIDIA(0): VideoBIOS: 80.06.3c.00.11

[  3491.569] (II) NVIDIA(0): Detected PCI Express Link width: 16X

[  3491.569] (--) NVIDIA(0): Interlaced video modes are supported on this GPU

[  3491.572] (--) NVIDIA(0): Valid display device(s) on GeForce GTX 650 Ti at PCI:1:0:0

[  3491.572] (--) NVIDIA(0):     CRT-0

[  3491.572] (--) NVIDIA(0):     DFP-0

[  3491.572] (--) NVIDIA(0):     DFP-1

[  3491.572] (--) NVIDIA(0): CRT-0: 480.0 MHz maximum pixel clock

[  3491.572] (--) NVIDIA(0): DFP-0: 165.0 MHz maximum pixel clock

[  3491.573] (--) NVIDIA(0): DFP-0: Internal Single Link TMDS

[  3491.573] (--) NVIDIA(0): DFP-1: 330.0 MHz maximum pixel clock

[  3491.573] (--) NVIDIA(0): DFP-1: Internal Single Link TMDS

[  3491.573] (EE) NVIDIA(0): Failed to assign any connected display devices to X screen 0

[  3491.598] (EE) NVIDIA(0): Failing initialization of X screen 0

[  3491.782] (II) UnloadModule: "nvidia"

[  3491.782] (II) UnloadSubModule: "wfb"

[  3491.782] (II) UnloadSubModule: "fb"

[  3491.782] (EE) Screen(s) found, but none have a usable configuration.

[  3491.782] (EE) 

Fatal server error:

[  3491.782] (EE) no screens found(EE)

What else can be done?

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tiowift

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3 Years ago

answered 2 Years ago clegian · Accepted Answer

I found the final solution here:
http://www.nvidia.com.br/download/driverResults.aspx/69539

There's an item it says:

Add a new option, AllowEmptyInitialConfiguration, which allows the X server to start even if no connected display devices are detected at startup. This option can be enabled by running "sudo nvidia-xconfig --allow-empty-initial-configuration"

So I did:

sudo nvidia-xconfig --allow-empty-initial-configuration

And it worked.

It happened because this is a server and in fact it doesn't have any display device connected.

Also, before it I followed the advice of bodhi.zazen. I blocked the nouveau drivers [and other stuff I think]

I added to /etc/modprobe.d/blacklist.conf

blacklist vga16fb

blacklist nouveau

blacklist rivafb

blacklist nvidiafb

blacklist rivatv

Then I rebooted, reinstalled the NVDIA drivers... and rebooted again!