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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47 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 ...
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0answers
61 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 ...
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1answer
175 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 ...
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0answers
110 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 ...
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1answer
62 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 ...
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0answers
159 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 ...
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0answers
278 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 ...
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1answer
75 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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1answer
175 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 ...
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1answer
186 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 ...
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2answers
2k 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 ...
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2answers
144 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 ...
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0answers
209 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 ...
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0answers
176 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, ...
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0answers
37 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 ...
2
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1answer
456 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 ...
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1answer
207 views

Upgrade 14.04 to 15.04 xorg blank screen [closed]

How to debug x server, or reinstall it from scratch? I used ubuntu-gnome.
3
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0answers
242 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 ...
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0answers
15 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 ...
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0answers
31 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 ...
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0answers
13 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
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1answer
4k 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 ...
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0answers
50 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 ...
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2answers
354 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 ...
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2answers
3k 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 ?
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1answer
663 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 ...
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1answer
8 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
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1answer
130 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
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1answer
131 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
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0answers
38 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 ...
4
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3answers
3k 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
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1answer
69 views

Mouse pointer jittering

I have Acer Aspire E11 (E3-112-C97Q) netbook with Ubuntu 14.04 LTS on it. Sometimes the mouse pointer starts to "jitter" and jump here and there, which makes the system completely unusable. I believe ...
1
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1answer
49 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
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1answer
241 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
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1answer
173 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
323 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
366 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 ...
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0answers
19 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
152 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. ...
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0answers
131 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
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1answer
341 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 ...
0
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1answer
68 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
139 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
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1answer
566 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
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1answer
192 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
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1answer
34 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 ...
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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
19 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 ...
0
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0answers
95 views

X server can't start since 14.04.2 LTS update

I have an AsusZenbook Prime UX31A and I've been happily running Ubuntu on it since I bought it two or three years ago. Being a linux user since 10yr+, I know my way around the system, but here I have ...
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0answers
23 views

CPU problem open PDF

I've a Lenovo X1 Carbon and I've big problem opening PDF. Doing top command I get 100% cpu on xorg task. Any help?