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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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Vertical lines and mirror copies on external display

I am using a 2018 XPS 15 with an 8th gen Intel CPU and an Intel iGPU (no Nvidia). This is Ubuntu 18.04 with updated software. Whenever I plug in this external monitor, I get what you see below. I ...
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18.04: Xorg monitor identification from xrandr

My DVI splitter isn't passing EDID information correctly, so it looks like I'm going to have to write xorg.conf.d files to correctly specify my modeline. What is this, 1995? Anyhow, I've attempted ...
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Text not refreshing/updating / text corruption in xterm/terminal and emacs and mutt

In terminal windows, in Emacs, and in mutt when text is updated (so usually at the bottom of a terminal window, but anywhere in mutt or emacs depending on what is changing), often (repeatably in ...
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Cant boot linux mint gui from terminal startx goes to black screen with working mouse xlog error [on hold]

xinit-> X.Org X Server 1.19.6 Release Date:2017-12-20 X Protocol Version 11, Revision 0 Build OS: Linux 4.4.0-119-generic x86_64 Ubuntu Current OS: Linux laptop 4.15.0-20-generic #21-Ubuntu SMP Tue ...
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Ubuntu 18.04 Display Driver Lots of Locked Files

My system has been frequently locking up since upgrading to 17.10 and it appears to be that xorg it taking the processor to 100%. I purged the NVidia drivers but can’t reinstall as countless files and ...
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1answer
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Ubuntu 18.04 + Cuda 390 does NOT detect second monitor on displayport

My machine has NVIDIA Quadro K2200 graphic card with GPU. I installed Ubuntu 18.04 and nvidia-390.48 as well as CUDA 9.0 (I use Cuda 9.0 because higher versions are not working with keras and tensor-...
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nvidia-xrun problem

The command I tried to run: nvidia-xrun kwin nvidia-xrun startkde both commands give the same result. X starts, but KDE or KWin doesn't work. the screen freezes and nothing happens until ...
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Strange behaviour of the Ctrl keys under X on Ubuntu 18.04 Dell XPS 15 9560

After trying to fix the trackpad sensitivity under Wayland, and not being able to make use of the nvidia card under Wayland I decided to switch to X, but I have a strange issue with the control keys ...
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How to fix xserver-xorg-core2:1.18.4-Oubuntu0.8 Crash with SIGABRT in OsAbort() on amd64?

How do I fix, "Ubuntu 16.04 has experienced an internal error" I tried "restarting the computer" as advised, where "ExecutablePath: /usr/lib/xorg/Xorg", and "Package: xserver-xorg-core2:1.18.4-...
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Black screen xorg high cpu usage on wake (Ubuntu 18.04.1)

I've installed Ubuntu 18.04.1 (kernel 4.15.0-34-generic) alongside Windows 10 (dual boot) on my laptop (Asus X555UB, i5 6200u, Nvidia 940m), I'm using Nvidia's proprietary driver version 390.48. ...
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X11 forwarding $DISPLAY Error: Can't open display: (14.04)

I'm trying to ssh into a department server from my laptop with X11 forwarding. I'm using Ubuntu 14.04. I consistently get this error: X11 connection rejected because of wrong authentication. Error: ...
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How do I integrate xpra with my system without losing performance?

At my office, I have two computers - my personal laptop I bring from home (running Ubuntu 18.04, with an onboard NVIDIA card - not Optimus, thankfully), and a company-issued machine. Often times, I ...
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System frozen and lightdm does not restart

I'm running Ubuntu 16.04.5 LTS on an Intel Core i7-3770. After running a test program I wrote myself, that was allocating all the memory, just to see how long it would take it to run out of memory, ...
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How do I Permanently Disable one of two Trackpad Drivers that run simultaneously

A link to this Dell article describes issues with Ubuntu Bionic Beaver and certain Dell Precision / XPS trackpads. I have a Dell Inspiron that is experiencing the same issue. The issue is that Ubuntu ...
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Xwrapper.config ignored on 18.04

Installed ubuntu, using network install, xorg and openbox. /etc/X11/Xwrapper.config: allowed_users=anybody /etc/systemd/system/kiosk.service [Unit] Description=Kiosk Launcher # After=systemd-...
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18.04 — Configure X to be started by non root user

I am trying to setup ubuntu 18.04 LTS as a kiosk system, so I have installed xorg, openbox and chromium. If I start the machine log in as a non root user and run startx, X starts a blank openbox ...
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xrandr --gamma values set are not reported back accurately by xrandr

When setting the gamma values using xrandr the monitor repaints appropriately. When retrieving the gamma values xrandr is not reporting them correctly: $ xrandr --output DP-1-1 --gamma 1.2:.9:.7 --...
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How to get Cideko air keyboard working in Ubuntu 18.04

I have a Cideko air keyboard, which I got working in a previous ubuntu version by adding the following lines to /usr/share/X11/xorg.conf.d/10-evdev.conf Section "InputClass" Identifier "evdev ...
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1answer
15 views

How to use the display (e.g. a browser) when sudo-ed into root or another user

When I sudo (or gksu) into root or another user (as I sometimes do with sudo -i) I cannot use the display. I know the risks as root, and this is usually when I want to do something as another user ...
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lubuntu 18.04 on my laptop : enable numlock on for both logon screen and at lightdm session opening

I saw related posts concerning these 2 configurations. But didn't see For information I couldn't get rid of using numlockx tool. For logon screen I needed to add line: greeter-setup-script=/usr/...
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running unity3d game on linux minimal

Problem: I created a unity game to work as an infotainment system for a car. Since the "game" will display on the dashboard of a car I want it to boot as fast as possible, with no greeter or reference ...
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nvidia-modeset error

I enabled kernel mode setting with nvidia-drm.modeset=1 and now getting this error frequently: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device VGA-0 File reports that monitor ...
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(ZaphodHeads) X11 display does not work from the beginning

this is a follow-up to my Question (X11: How to disable the combined display desktop, so screens can be adressed with DISPLAY=:0.x) I got all three displays to work, meaning that: - Display :0.0 ...
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Installing X11 on Ubuntu 18.04 [closed]

sudo apt-get install x11 Reading package lists ... Done Dependency tree is being created Read status information ... Done E: x11 package not found
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1answer
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Nvidia drivers not functioning on kernel 4.15.0-33-generic

After updating my system and rebooting, I tried to launch NVIDIA X Server Settings to see if my driver had updated properly. It did not show any Nvidia driver installed, and sudo lshw -c display ...
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Window decorations missing on X11 forwarding

I'm connecting to my NVIDIA TX2 device running Ubuntu 16.04 LTS with ssh -X user@my.device. This works fine and I can open for example gedit. Now the problem is that window decorations are missing so ...
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Resolution higher than my monitor's maximum resolution? [on hold]

Okay, I think some may instantly duplicate my question because other questions similar to mine. But yeah this is the first time I 'm seeing this. The problem is, my monitor box shows 1366x768 is the ...
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All Monitors of the second GPU are disconnected. Ubuntu 18.04 - Nvidia 396.54

I'm setting up a workstation with 2 GPU (Nvidia GTX1050 Ti) and 6 displays (samsung md230x6). It's all working fine except that the desktop shows only on the displays of the first GPU; the other ...
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Nvidia Issue on 18.04

I cannot get my nvidia driver card work. I solved the problem with resolution (that I had for a while on Xorg session) but I cannot use it. Now I am on 396 driver version, but if I try to open nvidia-...
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Multi touch scroll not working in Ubuntu 18.04 LTS

I am running an Ubuntu 18.04 in an hp laptop. Pointer used to freeze / behave badly at times. after reading a lot on internet i edited grub config file to add psmouse.proto=bare and cmdline arg . ...
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Ctrl-Alt-Fx doesn't work: Getty / VT vs X session bug (18.04)

I've run into problems with virtual terminals. I boot up, log in via VT, startx. Next, I'm going to another VT (e.g. ctrl+alt+f2), login there too, and exit that vt (tty2). What happens next is ...
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Ubuntu 18.04 Nvidia Graphics Xinerama causing black screens

My computer is running a Nvidia GT740 graphics card that is connected to three 22” LG monitors that all fire up and work great individually. However for gaming, I like to use them as one giant screen,...
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18.04 Gnome-Wayland Screensaver ignores configuration?

I have setup the screensaver for normal X11-Gnome to never lock the screen, log me out, dim, etc. This is my HTPC. I am trying to experiment with Wayland, but no matter how hard I try I am logged ...
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X11: How to disable the combined display desktop, so screens can be adressed with DISPLAY=:0.x

I have an ubuntu 18.04 Desktop Edition installed, to control a setup with three displays. For this special project, it would be easier to adress the displays one by one, e.g. DISPLAY=:0.1 :0.2 and so ...
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Xubuntu startx problems

after having a wonderful time with Xubuntu for about a year, it is now unable to start after some minor updates yesterday. Today it started once, then just failing. It boots to the login screen, but ...
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Error displays on system start up - Server is already active for display 0

I honestly have no idea why, but when i upgraded mint from version 16 to 17 some moons ago I got the following error: Fatal server error: Server is already active for display 0 If this ...
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Kubuntu 18.04 shows no more taskbar

After upgrading from Kubuntu 17.10 to 18.04, I had some issues with the NVidia drivers, which I resolved (by adding xrandr options: Kubuntu 18.04 no more GUI after upgrade from 17.10). Everything ...
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Ubuntu 18.04 can't start nvidia-settings

After upgrading from 16.04 to 18.04 I can't find a way to use the nvidia-settings either via command line or GUI. When I run sudo nvidia-settings I got the following message : No protocol specified ...
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NVIDIA driver seems to have disabled Xorg completely, only Wayland works

I've just installed the proprietary driver for an NVIDIA GeForce GTX 1070 Ti on Ubuntu 18.04. Having done that, Xorg isn't shown as an option on the login screen. In fact, there's no option at all, ...
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Ubuntu 18.04 VNC/Vino stops refreshing when turning display off

After upgrading from 16.04 to 18.04 I'm having trouble with VNC/Vino. I can connect via VNC (by enabling the built-in 'Screen Sharing' option), but as soon as I turn of the local display (server is ...
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Desktop session crashes when resuming from standby

I'm having this issue since Ubuntu 17.10, now I'm using 18.04. When I suspend my laptop and leave it sleeping for a few hours, then when I try to resume it the desktop session crashes and the X ...
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1answer
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Xorg: High CPU Usage (94%) on Moving Mouse (Ubuntu 18.04)

whenever I move my mouse enough it causes high cpu usage. Screenshot provided is on a fresh X session. Xorg Taking up a lot of CPU This also causes some frequent freeze ups if I'm running some other ...
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How do I remove or reset all xrdp settings for user

I am running xrdp on my Ubuntu 18.04 computer. I got 3 users. Two is working well. They can connect from Windows 10 rdp without any problem. But the last one does fail with a "Connection problem, ...
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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 ...
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1answer
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Window focus gets “stuck” - cannot click outside of window

I'm going to preface this by saying that I've seen many, many bug reports and threads with very similar issues, but no useful fixes. Using Ubuntu 18.04 and Xorg. For some applications, clicking ...
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Is it possible to use Cygwin/X as a remote desktop?

By following the guide from here, I can achieve these: Use my local Windows machine as the X11 server. Run a program, the xterm, on the remote Ubuntu 18.04 computer. And the remote Linux program will ...
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Apply Display Config to all users

I had some trouble with the monitor setup and after some trial and error I could fix it by changing the refresh rate within settings > devices > displays. That works for the user that is logged ...
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Ubuntu 18.04 stuck in login loop with missing .Xauthority file

My computer running Ubuntu 18.04 is stuck in a login loop. I am using lightdm as my display manager, but trying to switch to gdm3 didn't fix the problem (I was still stuck in a login loop). I have ...
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How can I configure Ubuntu to offer X logins on more than one virtual terminal after booting?

I have long wanted to do this and been stumped as to how. I found a tantalising hint here: https://www.maketecheasier.com/run-multiple-x-sessions-without-virtualization/ This is someone wanting to ...
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Why do I get a X-Server crash on every login on a 16.04 that should be kind of stable after so many years?

Xubuntu 16.04 still crashes on every login with an XServer error on an optimus laptop with, I installed newest NVIDIA drivers from grphics ppa, but it still crashes. It seems to be this error on ...