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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2
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1answer
15 views

Switching to another TTY after running startx and returning breaks Xorg

I've always been curious about an idiosyncrasy of Xorg that seems to happen on every machine I've tried it on; whenever I start a new X instance on a TTY using startx manually (that is, without the ...
1
vote
0answers
10 views

Add virtual X11 screen to use via VNC

I'm trying to add a second screen to my ubuntu 14.04 gnome setup, via a VNC client. To be clear: I don't want to connect to a different session, but the same. However, I want to see a different ...
0
votes
0answers
9 views

Screen flickering during boot

Everytime I boot a purple screen appears followed by heavy white flickering for 1 sec, then the screen goes black till the login screen comes up. The ubuntu logo with dots never show up. Once booted ...
1
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0answers
8 views

(X)Ubuntu 14.04 LTS completely freezes on my Alienware 14

I installed Ubuntu 14.04 LTS (and Xubuntu 14.04 LTS afterward) on my Alienware 14 (specs below) in dual boot with Windows 8.1 x64. I'm experiencing random and sporadic freezes (the mouse is not ...
0
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1answer
17 views

unable to access to lightdm after messing with fglrx drivers and screwing up Xorg

I recently removed the fglrx driver from my ubuntu 14.04.2 laptop computer after noticing that it's not really good for the battery life. But after restarting I ended up with this screen (after the ...
0
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0answers
13 views

My gnome session crashes - how to find out why and solve the problem?

Hello my xorg services in the last months at least crashed 3 times. Once I saw an error message of the httpd service on the shell. My questions are: 1.) How can we find out more about the reason for ...
0
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1answer
18 views

lightdm restarts in cycle when using /etc/X11/xorg.conf

I have a monitor Acer H233H and want to set resolution of 1920x1080. I googled it and found that it's necessary to use /etc/X11/xorg.conf. I created this file using sudo Xorg -configure, copied it to ...
1
vote
0answers
27 views

Xorg.conf is not changing the Display orientation

I am currently using Ubuntu 15.04 with a GTX 570 on 346.46. I have a 2560x1440 display with a 1080x1920 (portrait) display to the right. I am using i3 as a window manager. The displays seem to be set ...
0
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0answers
59 views

Black screen on wake since 15.04 upgrade (ATI)

Similar to this post Black screen on upgrading to 15.04 but since the hardware and conditions are different (Heathrow XT Radeon HD 7870M), I'll start another thread. If I use the fglrx driver, the ...
0
votes
1answer
25 views

Upgrade from 14.04 to 14.04.2 broke nvida/x … howto fix that?

I followed the answer from here, using sudo apt-get install --install-recommends linux-generic-lts-utopic xserver-xorg-lts-utopic libgl1-mesa-glx-lts-utopic libegl1-mesa-drivers-lts-utopic early on ...
0
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0answers
13 views

Ubuntu MATE brightness keys not working on MacBookPro7,1 with NVIDIA driver, even after fix

I tried the fix detailed in the first answer for this question: Brightness not working after installing NVIDIA driver The second answer caused a failed boot and I had to fix it via Recovery. The ...
0
votes
1answer
21 views

Ubuntu gets stuck at boot screen (freeze, not black) after attempting brightness fix for NVIDIA card

I tried editing /etc/X11/xorg.conf as detailed here: Brightness not working after installing NVIDIA driver My Ubuntu MATE installation on my MacBook Pro Mid-2010 13" now gets stuck at the ...
0
votes
2answers
167 views

Ubuntu 15.04 with kubuntu freeze on login screen

I have update to ubuntu 15.04 with kubuntu. But It freeze on login screen.I can not do anything even ctrl+alt+f2. Some time I can login using recovery mode but some time that also fails.It also ...
0
votes
2answers
28 views

3840x2160@60hz recognized during install, but not after install complete on 14.04.2

I have a GTX670 graphics card and a Philips BDM4065UC monitor which is configured for displayport 1.2. When I run Ubuntu 14.04.2 (amd64) from a USB boot mode using the tryme mode, my screen comes up ...
0
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0answers
26 views

HDMI Monitor Detected but no output

I am unable to get dual display working with Ubuntu 14.04 on Dell XPS 8700 with Nvidia GeForce GT 635. I have two monitors (40" TVs actually) connected via DVI-HDMI and HDMI-HDMI cables. The DVI-HDMI ...
0
votes
0answers
32 views

Ubuntu 14.04 in VirtualBox, can't install virtualbox-guest-x11

I installed virtualbox-guest-dkms and virtualbox-guest-utils OK.I then tried to install virtualbox-guest-x11, & got a message that the package could not be installed due to unmet dependencies, ...
0
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0answers
9 views

Nvidia drivers causing overcurrent on USB ports

I have Asus laptop with (unfortunately) Optimus technology for graphics. Overcurrent information on my two USB ports is displayed every time on boot when using any nvidia driver(331.113 and ...
1
vote
1answer
26 views

How to make X.org listen tcp port to remote connections? [duplicate]

Ubuntu 15.04 64-bit desktop. After install system X server run with -nolisten tcp option: 922 tty7 Ssl+ 0:05 \_ /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp ...
0
votes
1answer
71 views

Upgrade 14.04 to 15.04 xorg blank screen [on hold]

How to debug x server, or reinstall it from scratch? I used ubuntu-gnome.
1
vote
0answers
20 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 ...
0
votes
0answers
10 views

Clip behavior - disappearing content when copying text

Very often when I want to simple move a block of text, it disappears from the clip content. I mark a block of text, click ctrl+x and then when I move to the target area with my cursor, I click ctrl+v ...
0
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0answers
10 views

How to trace down a global hotkey definition?

There are more than one place where global key bindings can be made: Like in desktop environments, special key mapping utilities, popup desktop utilities like clipboard managers, input support, and ...
1
vote
0answers
8 views

Cannot set up dual monitor on TweinView model

I want to connect an external monitor to my laptop via HDMI, external and built-in monitor are both 1920x1080. However, if I chose to expand screen, the total resolution will be 1920x1080 instead of ...
1
vote
1answer
53 views

gksu: Gtk-WARNING **: cannot open display: :0

All of the sudden gksu stopped working for me: ~$ gksu gparted (gpartedbin:24252): Gtk-WARNING **: cannot open display: :0 The same happens with gparted-pkexec: ~$ gparted-pkexec No protocol ...
0
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0answers
32 views

bumblebee multi monitoring setup

I'm trying to create a multi-monitoring setup with bumblebee at Ubuntu 15.04. config: VGA+HDMI at intel HD2000 and DVI at nvidia geforce 210 I'm using the proprietary nvidia 340 driver. I think ...
1
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0answers
46 views

Xorg is using 100% CPU with 15.04

Since I upgraded to 15.04 everything is horribly slow, with Xorg using 100% CPU. Can't find any reason in any log file. I have lspci 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th ...
1
vote
1answer
243 views

How to stop X server in Kubuntu 15.04?

In Kubuntu 14.04 and 14.10 I stop the X server with sudo /etc/init.d/lightdm stop but it don't works anymore. How to stop it, to install a graphic driver ?
0
votes
1answer
301 views

Nvidia Geoforce 8600M on Ubuntu 15.04 won't start (MacBookPro 4,1)

My MacbookPro 4,1 with Nvidia Geoforce 8600M worked find under Ubuntu 14.10. I did the upgrade to 15.04 and couldn't get a desktop. I got the popup about couldn't configure. I saw a posting ...
0
votes
1answer
4 views

gridengine-qmon package missing context help

I upgraded to Precise and installed gridengine. The qmon GUI administrative tool still has the ancient X11 style interface from Sun Grid Engine, but when I click a Help button the "Context Help" popup ...
0
votes
1answer
11 views

Enabling 3d acceleration in OS AMD/ATI driver

Need help from the community enabling 3D acceleration on an AMD/ATI HD6450 graphics card driven by the Open Source Radeon driver. It may help to know that this card replaced an 275GTX NVidia, ...
1
vote
1answer
15 views

How can i install xfonts-… packages?

I need to install xfonts-100dpi xfonts-75dpi xfonts-scalable xfonts-cyrillic packages. But I get an error, that they are not exists. Using Ubuntu 14.10 Need them for xvfb
0
votes
0answers
21 views

Different mouse speed per screen possible?

I am using Ubuntu 15.04 and have 3 screens setup, 1x4K screen and 2x1080p screens. However due to the larger resolution on the 4K screen, the mouse feels really slow and I would like to speed it up ...
2
votes
3answers
759 views

Nvidia: Xorg crashes on 15.04: “drmSetMaster failed: Invalid argument”

Nvidia: Xorg crashes on 15.04: "drmSetMaster failed: Invalid argument" On a clean install of Ubuntu GNOME 15.04, I get the following screen after installing the Nvidia proprietary driver: starting ...
1
vote
1answer
29 views

Desktop never loads when using I Nvidia drivers

I upgraded to 14.04 on a Macbook Pro 5,5 and now none of the Nvidia drivers work. If I install nvidia-current, that installs the 304 driver, which appears to actually be the oldest. With that, I ...
0
votes
1answer
31 views

ubuntu 14.04 only boots in recovery mode

I have the same problem in my Ubuntu desktop, then if I change the X.Org X server-Nouveau driver for the NVIDIA one, the display crashes next reboot (even in recovery mode) so only reinstall option ...
1
vote
1answer
81 views

How to install Nvidia driver?

First of all after installation of Ubuntu 14.04 I was having problem - system freezes after few minutes of work. I installed nvidia-current driver, it helped. I decided to install something more ...
2
votes
2answers
80 views

Ubuntu 14.04 with unrecognized monitor (or without monitor) - boot problem

I've Ubuntu 14.04 installed on my computer. I need to start it even if not any monitor is plugged. Basically I need to do that because at the startup my monitor isn't recognized but plugged in. ...
2
votes
1answer
59 views

How to debug xrandr not setting up the desired resolution?

I need some help in figuring out why does xrandr failes to set the desired resolution. I have a dual monitor setup: 13" laptop preferring 2560x1440 resolution 24" monitor preferring 1920x1200 ...
0
votes
0answers
18 views

How can I start a simple X with just firefox? [duplicate]

I'm trying to start a simple X server with just one app open, which is Firefox. Basically, I want to power on my Ubuntu server and show Firefox, nothing else. Is there a way to make this possible? ...
2
votes
1answer
80 views

Desktop freezes regularly. Ctrl+Alt+F keys doesn't work

I've been running 14.04 on my work computer (Dell Latitude E6440) since last May with no issues. 4 or 5 weeks ago I upgraded to the 3.16 kernel and the newer X.org via the LTS Enablement Stack. ...
0
votes
0answers
37 views

The X-server is not running

I have a blackscreen. System: Ubuntu 14.04 Card: Radeon HD 5670 I used open-source drivers: OpenGL version string: 3.0 Mesa 10.6.0-devel (git-c015008 2015-04-20 trusty-oibaf-ppa) OpenGL ...
0
votes
1answer
59 views

Trusty: Flickering problem with xorg opensource driver on ATI RV710 [Mobility Radeon HD 4330/4350/4550]

Last week I reinstalled Ubuntu 14.04 on my laptop and since then I'm experiencing strange short horizontal flicker. It's hard to describe so here is a video of it and this is my current setup: lspci ...
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votes
0answers
20 views

NVidia Screen Freezed

I'm hoping this message will solve new Linux and Ubuntu users some hair-pulling. I recently acquired a Compaq Presario tower with a Nvidia Geforce graphics card. After installing the latest 32-bit ...
0
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1answer
37 views

How to make multiple monitors work just like in Windows?

I've tried various DEs (Xfce, MATE, GNOME...), but I couldn't set up my screens properly in any of those. Here's the setup I'm looking for: 2 screens with different resolutions (LVDS on the left - ...
2
votes
0answers
58 views

Low graphics mode error on open-source driver

I recently did an update from Software manager, which I was holding back for a month (~250MB), it prompted me for a reboot after all the updates were installed. I rebooted into an error of Low ...
2
votes
1answer
62 views

broken packages error while trying to install xserver-xorg-input-mtrack

I'm new to Linux and I'm a mac user. I'm now having a problem when i try to install "mtrack" to "fix" my macbook pro 8,1 trackpad. My ubuntu is on version 14.04 currently and i got this error message ...
3
votes
1answer
59 views

How to stop particular instance of X server?

I know this sounds ridiculous at first glance, but I started X session from root with # X :1 vt08 & So I guess sudo stop lightdm would be overkill. How can I stop that instance of X server ...
0
votes
0answers
11 views

display goes black when inverted

When I invert my display (xrandr -o inverted), the display goes black. This is in contrast to orienting the display to left (xrandr -o left), to right (xrandr -o right) or to normal (xrandr -o ...
0
votes
0answers
11 views

Looks like my window manager is not starting after upgrade [duplicate]

I upgraded to 14.10 just the other day, and the upgrade appeared to work fine. I get the login screen just fine, but when I log in, all I get is the wallpaper and the "Ubuntu 14.10" in the lower left ...
0
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0answers
9 views

nvidia x server loses display configurations after playing a game or waking up from screensaver

After playing a game or waking from screensaver the nvidia display configuration resets itself. Mainly what is being reset is the ViewPortIn setting. I have been searching for the past few days and ...