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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5
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0answers
348 views

Ubuntu 16.04 blank screen after boot, AMD APU

For the past couple of Ubuntu releases the live CD has always worked fine, however after installation I would always get a blank screen on startup. I could reboot the system by blindly CTRL + ALT + F1 ...
4
votes
0answers
280 views

how to track a crash when changing from X :1 to X :0?

I need to track on 14.04 a crash that often happens here: I open a new X at :1 (that sometimes goes to ctrl+alt+f8 others to f9). But when I try to go back to X :0 with ctrl+alt+f7, it crashes ...
4
votes
0answers
3k 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 ...
4
votes
0answers
612 views

Displaylink udl in xubuntu 13.10

I'm using Xubuntu Saucy Salamander (13.10). I'm trying to connect DisplayLink wireless monitor with my Linux machine. My configuration is Nvidia GT310M Intel HD Graphics for 1st gen i5 processors [...
3
votes
0answers
69 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 ...
3
votes
0answers
61 views

Html canvas and X Window Id

I am creating html5 application, and running it using ubuntu-html5-app-container. The page contains a canvas element. Is there any possibility to get X window id for the canvas element? As the one ...
3
votes
0answers
31 views

How to run a program in its own, temporary, xdisplay (runx)?

For background I like to play some older games that really run better in super low resolutions and having the whole desktop switch to 320 x 400 is really not that great. I've gotten around this by ...
3
votes
0answers
71 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 ...
3
votes
0answers
29 views

Remap power button on mouse (using X)

There is a button on my mouse which hibernates my system and I want to map it to do nothing. This button was originally mapped to do something else in Windows using the Windows software that came with ...
3
votes
0answers
52 views

How Can I Change X's TTY

How can I change X's tty from Ctrl-Alt-F7 to another F Key? I have only 4 ttys so I want X on the fifth.
3
votes
0answers
132 views

Making custom synaptics touchpad config persistent not working

I'm struggling to make my custom touchpad persistent. I very well know the config I want. Here's the command, using synclient: synclient RightButtonAreaLeft=0 RightButtonAreaTop=0 ClickTime=20 ...
3
votes
0answers
116 views

Multiseat on one video card

I'm trying to set up a multiseat configuration on a single video card (Nvidia GTX 680) under Kubuntu 14.04. I can run two x-screens for one user, what nvidia-settings natively supports. So I think ...
3
votes
0answers
495 views

Bumblebee fail safe x after reboot [GTX 755M][Ubuntu 15.10]

When I installed bumblebee and the nvidia-340 drivers Ubuntu booted into a normal session. On the next reboot, after running glmark2 with optirun in the previous session, the normal x session would ...
3
votes
0answers
90 views

X over SSH causes Xorg crash

'ello. So, I've a rather interesting issue. This is more of an OpenSSH issue, or so I'm led to believe. Both of these systems are running Ubuntu (one has libraries present but no Xorg instance, the ...
3
votes
0answers
998 views

What does “!!! Unknown header type 7f” error means?

I bought a new laptop, and I can't enable discrete graphic card. The output of lspci -k | grep -EA2 'VGA|Display' terminal command: 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [...
3
votes
0answers
490 views

Ubuntu 15.04 - Dual monitor problems

I installed Ubuntu 15.04 and I have problem with my 2 monitors. I was googling so long time and didn't find any working solution for this. 1) I need to set my left monitor primary before login screen,...
3
votes
0answers
123 views

Using two keyboards in KDE with a dedicated layout each (typically azerty / bépo)

I need to be able to use two keyboards (one standard AZERTY on my laptop) and a TypeMatrix 2030 USB (BÉPO layout). This I configured fine in xorg.conf by putting the following code in xorg.conf (which ...
3
votes
0answers
346 views

Nvidia driver not loading properly for Geforce GTX 570hd

I'm having a problem with using the nvidia driver for my Geforce GTX 570. I've tried re-installing the drivers, installing using the .sh file from nvidia's website, and using every driver available ...
3
votes
0answers
624 views

Frequent Xorg crashes with Radeon R9 280X

My system has been running fine with the abovementioned card on Ubuntu 14.04 and 14.10 for about 2 months. After performing a full reinstall of Ubuntu (to 14.04 again), I have been encountering X.org ...
3
votes
0answers
2k views

/etc/X11/Xsession & LightDM

I'm running Lubuntu 14.10. It seems that LighDM invokes /etc/X11/Xsession only if directed to so by the user. In fact there is no shadow of it in lightdm-session wrapper. startx command line (...
3
votes
0answers
2k views

Synaptics driver does not load in ubuntu 14.04

I have encountered a strange problem after upgrading my kernel in ubuntu 14.04, mainly the touchpad scrolling stopped working. After spending some time on debuging I came to a conclusion that ...
3
votes
0answers
98 views

When I turn my monitor on after it has been off, it does not display anything

I am running Xubuntu 14.10 on a desktop and use LightDM. As I said in the title after I turn off my monitor (with the computer already on) and then turn it back on again there is no input from my ...
3
votes
0answers
848 views

Configure Xorg to work from integrated

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 ...
3
votes
0answers
2k views

Configuration for three display setup with two Nvidia cards?

I have two video adapters: NVIDIA GeForce GTX 570 and a three LCD displays connected to them. Here's the topology illustrated graphically: [ GTX 570 ] === HDMI ===> Philips 273ELH #0 (CENTER/...
3
votes
0answers
588 views

Does 14.04 use xorg.conf or ~/.config/monitors.xml?

If I have both files /etc/X11/xorg.conf and ~/.config/monitors.xml, which one will take precedence??
3
votes
0answers
2k views

Nvidia after upgrade 12.04 to 14.04

I have some weird behaviour from nvidia drivers so far. My systemparts that are involved: nvidia GTX 560 Two Screens Ubuntu 14.04, fresh update from 12.04, When I execute sudo nvidia-settings and ...
3
votes
0answers
418 views

Edit color profile (.icc) to change gamma

As a lot of other users here on Ask Ubuntu, I need to use xrandr to correct the gamma settings on one of my external monitors. Settings applied this way aren't permanent and they can reset basically ...
3
votes
0answers
770 views

Trouble with `nvidia-prime` on ASUS N550JV

I have recently upgraded my ASUS N550JV notebook from raring to saucy and in the beginning, simply installing nvidia-319 together with nvidia-prime worked fanstastically (as described here). Shortly ...
3
votes
0answers
56 views

How do I stop application switcher button from rotating screen?

I have the Logitech Wave wireless keyboard, and whenever I accidentally press the "application switcher" button it rotates the screen by 90 degrees. This would only be moderately annoying if it didn't ...
3
votes
0answers
977 views

Android Tablet as second display

I have faced with issue. My use-case: I have - PC with ubuntu and android tablet, I need - The android tablet as second monitor, but connected by wi-fi. I was trying to do next: sudo apt-get ...
3
votes
0answers
613 views

How to Configure Clickpad?

I am running xubuntu 13.10 on a Lenovo ThinkPad X1 Carbon. It works very well, except the behaviour of my clickpad (touchpad where the buttons are built into the surface) makes it essentially unusable....
3
votes
0answers
276 views

menue bar and launcher

I recently installed Xorg 1.11 and fglrx 12.6 on my machine and after restarting system that worked as well . that was good also at the game time . the unity menuebar/launcher and panel left after i ...
3
votes
0answers
3k views

System won't boot when xorg.conf exists

Problem: I need to create a /etc/X11/xorg.conf file to get my graphics to work correctly, yet whenever I create one using Xorg -configure and place xorg.conf.new there, X won't start after a reboot. ...
3
votes
0answers
589 views

Xorg can't find screens

I recently installed Ubuntu 12.10 on my laptop. It installed successfully, but whenever I boot into it, after the GRUB screen I get a text TTY. I can log in with that and enter command-line commands. ...
3
votes
0answers
344 views

How do I get the VT running X in my LXC container to my host?

I'm trying to run Lubuntu within an LXC container on my host already using a GUI. Is it possible to redirect the X output from the container to say; VT9 rather than VT7? If so where is the VT7 ...
3
votes
0answers
520 views

USB2VGA device not listed as output device

When I type xrandr the usb2vga device "Magic Control Technology Corp. (USB2VGA dongle)" does not show up. A reboot with the device plugged in doesn't change it. The kernel.log shows that it has been ...
3
votes
0answers
2k views

Trying to use 3 monitors with Intel integrated Graphics and Separate video Card

I am currently running Ubuntu 12.04 LTS on a desktop that has a Intel i7 2600k with integrated Intel HD 3000 graphics and a GeForce GT430 1GB video card. I have 2 monitors (in a vertical orientation) ...
2
votes
0answers
18 views

Cannot set lowest color depths

Want to change color depth to something like 1 or 4. With xorg.conf DefaultDepth it won't load anything other than blinking cursor if is set under 8. startx -- -depth works with 16+ bit. Xorg -depth ...
2
votes
0answers
14 views

login error in Ubuntu 16.04 with X authority problem

I've Installed Android Studio and wpscan metasploit and LAMP Stack server on my system. The next day when I've tried to login to my system I got that black loop page and backed to my login page. I'...
2
votes
0answers
15 views

Change screen to black and white for accessibility reasons

I need help changing my screen to black and white, but in a specific way. On GIMP, you can desaturate the colours based on Lightness (2) and Luminosity (3). I need my entire screen to be converted to ...
2
votes
0answers
198 views

How to disable monitor auto configuration?

Im running Ubuntu 16.04 (dev branch), XFCE as desktop environment. My computer is connected to two monitors. One via regular VGA cable and the other is connected to a HDMI Switcher. That setup works ...
2
votes
0answers
76 views

xrandr scale with vsync

I currently am using xrandr's --scale option to scale applications correctly on my hidpi monitor where the 2x scaling option provided by gnome shell is too large. I currently use these commands to ...
2
votes
0answers
138 views

startx not working

I am attempting to install Ubuntu on an ASUS T100. However, when I boot it manually from GRUB, it crashes into an intramfs shell. I am able to mount the filesystem from the intramfs ASH shell and ...
2
votes
0answers
92 views

X.Org does not work with a lowlatency kernel

I am using Ubuntu 14.04 with the 3.13.0-74-generic linux kernel, but I would like to use a lowlatency kernel. I have installed it using: sudo apt-get install linux-image-lowlatency And I have tried ...
2
votes
0answers
691 views

Couldn't open module fglrx

I was using fglrx driver long ago, but I switched to open-source driver. In the Xorg.0.log I'm getting following warnings. [ 35.380] (II) LoadModule: "glx" [ 35.416] (II) Loading /usr/lib/xorg/...
2
votes
0answers
140 views

3 monitors not working after kubuntu 14.04 packages upgrade

I use Dell lattitude E5540 with 2 attached monitors (hdmi and DVI), and after upgrading packages in last few days, and reboot, X won't start unless I detach the DVI monitor. So, hdmi and laptop ...
2
votes
0answers
80 views

Cannot login after routine software update 14.04

I did some (i thought routine) updates. Now I cannot login from the GUI, also the resolution of the login screen is messed up (I have a new NVIDIA card). I searched and tried the options. Changed ...
2
votes
0answers
52 views

Udev rules for USB mounting and Low Graphics Mode error

I have a file containing the content bellow KERNEL!="sd[a-z][0-9]", GOTO="media_by_label_auto_mount_end" # Import FS infos IMPORT{program}="/sbin/blkid -o udev -p %N" # Get a label if present, ...
2
votes
0answers
74 views

How to prevent pausing unactive user session?

For a while now when I switch between two user sessions the inactive one in some cases will stop executing GUI processes. This way I'm forced waiting for another session to load and can't do something ...
2
votes
0answers
272 views

X Screen on two graphic cards and three monitors

I have a desktop with an Intel HD (1x DVI out) and a GeForce GTX 560 TI (2x DVI out) and three monitors. And I would like to use the third monitor with the Intel HD. Xinerama is not what I want. I ...