Questions tagged [xorg]

Questions about X.Org Server (commonly known as Xorg Server, XServer or Xorg), the software that runs the X window system used by most desktop window managers (GNOME, KDE, etc)

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Configure Xorg to work from integrated GPU

I am using Ubuntu 14.04LTS, with an Intel CPU + integrated graphics, with a GTX650 GPU. I asked this question on SO but they said it was offtopic. I want to use my GPU for debugging CUDA code and for ...
Mewa's user avatar
  • 281
14 votes
1 answer
20k views

video-dummy - The Fake display with/without monitor connected at the same time

I have installed the xserver-xorg-video-dummy-hwe-18.04 to let I use the VNC without needs to connect HDMI cable to my ubuntu machine. I followed the Topic here, and successfully able to use VNC ...
scalopus's user avatar
  • 323
11 votes
1 answer
1k views

Rotate External Display with NVIDIA drivers

I am running Ubuntu 16.04 64-bit and have an NVIDIA GeForce 940M graphics card (proprietary NVIDIA drivers are installed for this). I have an external monitor that I want to rotate Counter-Clockwise (...
dakatk's user avatar
  • 163
9 votes
1 answer
1k views

Input delay when using two keyboards under Ubuntu 18.04 (Xorg)

Ubuntu 18.04. Due to the ergonomics benefit, I use two bluetooth keyboards at the same time for the same local machine. Under Ubuntu Wayland environment, typing works perfectly. Key strokes appear at ...
Đan Điền Ngọc Huỳnh's user avatar
9 votes
1 answer
4k views

Ubuntu 16.04 -- NVIDIA X Server Display Configuration ( No Scanout)

I am currently using Ubuntu 16.04. My laptop's GPU: NVIDIA NVS 5200 m (and the Intel one).I installed NVIDIA Driver version: 340.96 through sudo ubuntu-drivers devices | grep recommended (the same ...
Carls's user avatar
  • 91
8 votes
1 answer
4k views

Ubuntu 20.04 system freezes [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A

My Ubuntu 20.04 system has been affected by occasional freezes (~ each 1-2 days) which completely blocks any interaction (not even REISUB works) and requires pressing on the power button to restart ...
David S.'s user avatar
8 votes
1 answer
13k views

sudo xrandr --addmode LVDS1 1976x1080_60.00 X Error of failed request: BadMatch (invalid parameter attributes)

When I try to change resolution this comes: $ sudo xrandr --addmode LVDS1 1976x1080_60.00 X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of failed request: 140 (...
Ayush Garg's user avatar
8 votes
0 answers
2k views

xorg high CPU usage (Ubuntu16.04 LTS)

I am experiencing high CPU usage (around 20% using the top command) in idle when moving the cursor or when something changes on the screen (e.g. window is maximized, minimized, etc.). Additionally, ...
littleblacksheep93's user avatar
8 votes
1 answer
3k views

The system freezes a lot and dmesg gives an error in Nvidia drivers

I faced constant system freezing in Ubuntu under both Unity and Gnome shell. So I came to Arch. In Arch also I'm facing the same issue. I tried many things in these forums but nothing helped. Please ...
THpubs's user avatar
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8 votes
1 answer
1k views

Black screen on boot when any NVIDIA drivers installed

I have a machine with Ubuntu GNOME 15.10 and an NVIDIA GTX 970 graphics card. For the last few months it was working fine with NVIDIA driver 352.63 and CUDA 6.5 installed, however I recently tried ...
mxbi's user avatar
  • 220
7 votes
0 answers
1k views

X server on Kubuntu 18.04 crashes if NIS/NFS user is logged in

I updated a machine to Kubuntu 18.04 by a complete reinstall. We still have user management using NFS/NIS. Packages are installed, users can log in. I have one local user dhlocal (userid: 1000) with ...
Dirk Hillbrecht's user avatar
7 votes
2 answers
2k views

HDMI to VGA converter connection errors

I'm getting a weird error when connecting my VGA monitor via an Aukey HDMI to VGA adapter to my laptop's HDMI port: Whether a connection can be established or not (i.e. on startup, when opening ...
Felix Edelmann's user avatar
7 votes
0 answers
2k views

Key grabbing under wayland (shortcuts won't work in virt-manager)

I use virt-manager on Ubuntu 17.10.1 (both host and guest). Key grabbing won't work. That is, I can't do control tab inside the guest machine for example. I discovered that it has to do with Wayland: ...
Guerlando OCs's user avatar
7 votes
0 answers
804 views

Cannot Get Xdmx to work with two Ubuntu Computers (xinit error)

I have two computers running Ubuntu 16.04 with Unity, and I'd really like to use the distributed multihead (Xdmx) software in order to use one of the computers as a second monitor, instead of just ...
Carter's user avatar
  • 171
7 votes
0 answers
2k views

Ubuntu 16.04 ~/.xsessionrc run twice on startup

i'm quite new to Ubuntu/Linux and i'm trying to start a desktop application at launch with a script located in ~/.xsessionrc. The script works but for some reason ~/.xsessionrc runs twice on startup ...
Jacob McElroy's user avatar
7 votes
0 answers
771 views

Xorg repeatedly tried to add built-in webcam as keyboard

First time poster here. I'm having a problem with xorg and my laptop Dell Inspiron 15 7537 running Ubuntu 15.10. I'm not configuring the nvidia GT750M in my system so no nvidia stuff at all in my ...
Alexander96's user avatar
7 votes
0 answers
763 views

How to get native resolution of a monitor?

My Ubuntu installation seems to have magically guessed my monitor's native resolution (it's the mode it's set to on startup). Unlike most, my monitor's native resolution is NOT its highest resolution,...
NmdMystery's user avatar
7 votes
0 answers
5k views

XFCE Display Setup

I have recently installed Ubuntu 12.10 on another PC, and decided to install XFCE (by installing xubuntu-desktop) Everything works great, except XFCE refuses to store my screen resolution and setup. ...
user137832's user avatar
6 votes
0 answers
2k views

GDM3 not starting, where are the log files?

I am trying to build my custom distro based on impish x86_64 using debootstrap. I am not using any display drivers, only the generic ones included in linux-image-generic. I use systemd-boot as a ...
lorinet3's user avatar
  • 171
6 votes
0 answers
2k views

Xorg using all my memory RAM?

I am having some memory problems that I don't know how to explain, and I don't have the knowledge to investigate it properly. Hope someone can guide me through it. Since yesterday my notebook (Ubuntu ...
Paulo Cesar's user avatar
6 votes
0 answers
1k views

Xorg high GPU memory usage - Ubuntu 20.04

Gnome Shell + Xorg take up to ~ 1.5GB of my GPU Memory. Is this normal? Is there an easy way to reduce it? +-----------------------------------------------------------------------------+ | NVIDIA-SMI ...
Rene Zurbruegg's user avatar
6 votes
0 answers
2k views

Ubuntu 20.04 LTS Laptop internal keyboard and touchpad no longer work

A few weeks ago, I updated 18.04 through 19.04 to 20.04 on my Acer laptop. Everything was fine. A few weeks later, without having done any major update or operation I can remember, I booted up to find ...
jdjakub's user avatar
  • 61
6 votes
0 answers
3k views

Ubuntu 20.04 does not login with Xorg

The login on my Ubuntu 20.04 suddenly stopped working. After entering the password, it get stuck at a purple screen with the mouse pointer. This is not a fresh install and it was working ok until past ...
exepe's user avatar
  • 71
6 votes
0 answers
487 views

Multimonitor display settings reset after one display is turned off

Setup: I have two monitors connected to my GPU, one using DisplayPort, and one using a HDMI to DVI cable. The DisplayPort one is my main monitor. I am using Ubuntu 19.04 with Nvidia driver 418 on a ...
Olaf's user avatar
  • 161
6 votes
1 answer
1k views

How can I include the mouse pointer using a command-line screenshot utility?

I'd like to do this without giving feedback to the user as well, because a program I'm making will use it many times. What didn't work: scrot (No mouse pointer) import -window root (No mouse pointer)...
Nonny Moose's user avatar
  • 2,255
6 votes
1 answer
1k views

Duplicate screen on Nvidia not working

I have an issue with multi-screen on my new computer with Ubuntu 16.04. My new computer is a Dell Inspiron 15 7000 Gaming. http://www.dell.com/fr/p/inspiron-15-7567-laptop/pd?oc=cn56705&model_id=...
Adrien M's user avatar
6 votes
0 answers
11k views

Error: cannot open display firefox in linux

When I run firefox in bash, I am facing this : Error: cannot open display or Error: GDK_BACKEND does not match available displays I installed xauth , xorg etc. But did not resolve my problem. I try ...
Enes I.'s user avatar
  • 61
5 votes
3 answers
14k views

How to configure TightVNC server to get full Gnome desktop?

I am running tightvnc on Ubuntu 22.04.2 LTS (GNU/Linux 5.15.0-1031-aws x86_64): $ vncserver :0 -geometry 1980x1080 New 'X' desktop is ip-172-31-14-62:0 Starting applications specified in /home/hc/....
HCSF's user avatar
  • 151
5 votes
0 answers
719 views

Ubuntu crash when screen sharing

I have a problem with my laptop on which I run Ubuntu. Anytime I try to share a screen, either a window or the entire screen the os crashes after a while. It started on Ubuntu 22.04 and now I upgraded ...
Calin's user avatar
  • 51
5 votes
1 answer
2k views

Screen tearing on XPS13 9310, Ubuntu 20.04, Intel TigerLake-LP GT2 [Iris Xe]

I know there are many questions regarding this problem, but no solution I have found so far seems to help me with this issue. This is a brand new Dell XPS 9310 with Intel graphics and Ubuntu 20.04. I ...
Bach's user avatar
  • 751
5 votes
1 answer
18k views

How do I configure xorg.conf for two X screens on one Nvidia card?

Aims Goal of this post: Figure out what xorg.conf configurations are necessary to use each of my dual monitors as a separate X screen. Intermediate goal for this post: Figure out why I cannot start X ...
Stonecraft's user avatar
5 votes
0 answers
8k views

Why does Settings | About say "Mesa Intel" instead of "Nvidia" when using Wayland?

The Graphics section of the Settings | About page under Wayland in Ubuntu 20.04 is confusing me. It claims that I am using Intel graphics, while all other system information indicates that I am using ...
Enterprise's user avatar
  • 12.3k
5 votes
0 answers
1k views

What is the difference between "NVIDIA driver metapackage" and "NVIDIA binary Xorg driver"?

I am running Gnome Desktop 3.36.3 on X11 11 (X.org version 1.20.8) on Ubuntu 20.04 LTS on a ThinkPadP72 with an NVIDIA Quadro P4200. I notice in Software & Updates > Additional Drivers that I ...
Lexible's user avatar
  • 1,355
5 votes
1 answer
7k views

How to set up dual display with dual graphics card on Ubuntu 20.04?

I'm setting up PC with a pair of GeForce GTX 1070 (Both ASUS TURBO 1070) cards and a Philips 246E FHD monitors connected to each via DP(GPU-0) and HDMI(GPU-1). PC config: DELL WorkStation Precision ...
Yoshio Nishimitsu's user avatar
5 votes
0 answers
2k views

NVIDIA settings do not persist

I have just moved to Ubuntu 18.04 from 16.04 and am having problems with my NVIDIA settings. They do not persist if I restart the desktop or reboot the pc. I've tried sudo nvidia-xconfig Which ...
david sinfield's user avatar
5 votes
0 answers
826 views

Default xsession for new users

How do I change the default xsession for new users which will be added to the system in the future? I know I can change the last/default session for an existing user by editing the setting XSession= ...
Pogoattack's user avatar
5 votes
2 answers
525 views

Is it possible to have two monitors with different scales?

I have currently two monitors : Screen 0: minimum 8 x 8, current 6400 x 2160, maximum 32767 x 32767 DP-2 connected primary 3840x2160+2560+0 (normal left inverted right x axis y axis) 600mm x 340mm ...
Dimitri Danilov's user avatar
5 votes
0 answers
596 views

Can't login to Ubuntu 18.04 desktop (only wayland)

I have an XPS 9560 with Ubuntu 18.04.03 Today I had a small problem with undocking from my desktop screen so I tried to restart gnome (Alt+F2 r) and that seemed to take some time so I hard-shutdown ...
Amit Shani's user avatar
5 votes
1 answer
2k views

Configure scrolling using Logitech Trackball on VMWare

Background A Windows 10 host is running VMWare Workstation Pro 15.1.0. The guest OS is running X11. The pointer hardware is a Logitech Marble Mouse having configuration information on the Ubuntu ...
Dave Jarvis's user avatar
5 votes
2 answers
779 views

NVIDIA: GPU exception occured durint X server init

My GPU is the GTX870M. I did a fresh install of Ubuntu 18.04. All I did was: sudo apt-get update sudo apt-get upgrade sudo ubuntu-drivers autoinstall nvidia-xconfig reboot It installed the nvidia-...
MyUsername112358's user avatar
5 votes
0 answers
3k views

How to use pyshical display when it connected instead of dummy display driver on Ubuntu 18.04

I have Intel NUC with Ubuntu 18.04 which operates as server the most time. Sometimes SSH is not enough and I need to control it using Team Viewer. This is why I installed and set up xserver-xorg-video-...
dmitry1100's user avatar
5 votes
0 answers
842 views

Periodically this is printed to syslog - Printing DDC gathered Modelines:

This is Ubuntu 18.04.1LTS installed last Thurs 16 Aug apt-cache policy gdm3 gdm3: Installed: 3.28.2-0ubuntu1.4 Candidate: 3.28.2-0ubuntu1.4 The output that started the same time as I did my ...
Chris Pollock's user avatar
5 votes
0 answers
1k views

How to get a complete list of grabbed keys on Ubuntu 18.04?

Context Modern desktop environment include features to adjust sound volume, interact with media players, and so on. Here is an incomplete list: XF86AudioLowerVolume XF86AudioRaiseVolume XF86Battery ...
Stéphane Gourichon's user avatar
5 votes
0 answers
7k views

Xserver error: no screens found(EE)

I'm a newb to all of this and have no idea how to fix this problem. I'm trying to use Xorg on ubuntu 16.04 on my AWS server by running these commands. sudo apt-get update sudo apt-get install -y ...
Jun's user avatar
  • 51
5 votes
0 answers
2k views

How to get virtual output with intel + modesetting?

I am using an Intel embedded graphics with modesetting (e.g. xserver xorg intel driver not loaded). All is working great with internal panel on laptop, and with external displays on displayport, on ...
Don Bowman's user avatar
5 votes
1 answer
2k views

Random clicking and draging and ghost touching is happening on my Acer Spin 5

I purchased the Acer Spin 5 laptop yesterday and put Ubuntu 16.04 on it. I am hitting a very annoying bug which causes apparently random clicks and dragging. I believe the problem is with the ...
Aras's user avatar
  • 819
5 votes
0 answers
4k views

Easy way to switch between Nouveau and Nvidia proprietary driver

I have a laptop with an NVidia GPU, installed along the default Intel Graphics card. Wishing to get the best performance for gaming, I switched to the proprietary NVidia drivers. However, having to ...
Noob Doob's user avatar
  • 437
5 votes
0 answers
4k views

Fresh Ubuntu 16.04 install with Nvidia GTX 1070 is crashing

I am one of the lucky people who received a MSI GTX 1070 Gaming X already, and so I decided to upgrade from 14.04 to 16.04 via a fresh install. The installation completed without any problems, and ...
Pit's user avatar
  • 73
5 votes
0 answers
2k views

XRandr GUI that supports Transform?

I'm trying to correct for keystone distortion using a small Ubuntu/Debian box and a projector. The intended effect is for the desktop to be distorted in a fashion similar to this: This can be ...
Taconut's user avatar
  • 151
5 votes
0 answers
4k views

Ubuntu CPU load

I'm new to Linux world and I have a problem with my fresh installation of Ubuntu 14.10 64-bit. My processor is Intel® Pentium(R) D CPU 2.80GHz × 2 with 4 GB of ram and GeForce 8600 GT/PCIe/SSE2. When ...
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