Xorg is a full featured X server that was originally designed for UNIX and UNIX-like operating systems running on Intel x86 hardware. It now runs on a wider range of hardware and OS platforms.

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xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted)

I get this error in Xorg.0.log xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted) Googling quickly reveals that this error is caused by starting Xorg as non root user. ...
6
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75 views

Why kernel modesetting, instead of privilege separation?

Kernel modesetting was kind of painful to get on Linux at first, but now it's pretty awesome to have. I mean, X not need to run as root? High-res hardware accelerated consoles? Cool stuff. Problem is,...
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26 views

How can I get both custom compose sequences and Unicode character entry?

Entering raw Unicode characters by first hitting Ctrl+Shift+u and then entering the hex value of a code point to get that character (e.g. 262D for ☭) is quite useful, esp. when you're testing ...
5
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552 views

OEL6 Slow boot && Millions of socket files in /tmp/orbit-gdm

Background on question Lately I've been having some trouble with slow booting on the servers, sometimes over 2 hours to boot stuck on "Enabling Local Filesystem Quotas:" After searching I managed to ...
5
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467 views

Scrolling with a WACOM tablet pen

I've got a wacom pen with a button. How can I trigger scrolling when moving the pen with the button pressed? According to xev, below, the triggering events are MotionNotify with state 0x200. If this ...
5
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112 views

X Windows Terminates when I type {+<ENTER>

In particular when I type the following keyboard combo: <hold shift> [ <release shift> <enter> I get dumped out of KDE and see a flash of some console output but I can't find it in ...
4
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108 views

How to make startx open new X Session in tty7 on Raspberry Pi?

Before, when I launched x from the tty1 console, it would start the x session in tty7, allowing me to terminate it easily from tty1. Now (I do not know what changed it), startx from tty1 will open X ...
4
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324 views

Why does desktop locking stop working after some time?

xautolock is clearly running: $ ps wafux | grep [x]autolock user 21410 0.0 0.0 20124 2628 ? S Nov05 0:04 xautolock -time 10 -notify 30 -notifier notify-send --urgency low --expire-...
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95 views

X11 sessions: when a session starts and ends, does `gdm` run a session?

I'm quite confused with X11 sessions. Namely, I don't understand, when an X session starts: I want to programmatically start an X session with my own bob-session program, analogous to gnome-session. ...
4
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443 views

EDID Invalid on USB DisplayLink Device

I have a Sabrent USB to HDMI adapter which is a DisplayLink device. It's recognized by udl as being a DisplayLink device, yet seems to be rejected/disabled due to having an invalid EDID: [32780....
4
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249 views

xinitrc: starting xterm with tmux causes all windows to share same geometry

I have xterm with tmux open upon startup of X11 with the following line in my xinitrc file: xterm -e tmux & However the -e tmux causes all windows to assume the geometry of the first -geometry ...
4
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421 views

xmodmap for key combination - how to toggle the Fn behavior?

With Logitech K290 keyboard via USB, F. keys are not accessible by default, and I need to press Fn before using them, which is not really usable. The Fn key alone does not fire any event in xev. ...
4
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151 views

xrandr detects amplifier as monitor

To help with setting up multi-monitor X I'm using a simple script to get screen resolution information using xrandr. This was working fine until I tried attaching an amplifier to attempt to use HDMI ...
4
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358 views

Screen flickers in Fedora 17

Screen flickers every 10 seconds. (I timed with a stopwatch, screen flickers every 10 seconds, 6 times a minute exactly.) I've used Windows and I'm trying to use Linux. I don't know much about Linux. ...
4
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357 views

How do I set up dual quadro cards in RHEL 5.5

have a RHEL 5 workstation with 2 nvidia Quadro FX4500 cards, with one display attached to each card. After doing a clean install of RHEL 5.5, the second display doesnt work (it worked ok in RHEL 5.2). ...
3
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21 views

How do I cut internet but connect X server for systemd-nspawned program

I'm setting my Archlinux to run programs on Ubuntu Natty via systemd-nspawn. Currently I start the session with --setenv=DISPLAY=:0 --bind=/dev -a su -l (user) -c xfce4-panel. I'm trying to disable ...
3
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38 views

Ignoring first click event on dpms or screen wakeup

I'm trying to make a screensaver feature (or screen blanking) from user request that allows the screen to go blank and wakeup via user touch input. The problem I'm having is trying to handle the first ...
3
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93 views

How should I configure my multi-monitor setup on MATE?

I'm running the MATE desktop environment on two monitors on Debian using the NVidia proprietary driver. I'm facing a problem where after logging in, panel widgets like the clock or the Workspace ...
3
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858 views

Xorg on skylake graphics hangs

I've bought msi gs40 that has intel i7 6700HQ which means integrated graphics hd 530. After a day of struggling I was able to start xorg with HD530. For this I addes i915 to initramfs and i915....
3
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42 views

How to obtain mouse events from the kernel when X is active?

When switching to a virtual terminal on my system, The kernel successfully delivers mouse events to a generic input event interface -/dev/input/event6 in my case- as well as legacy interfaces mouse1 ...
3
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213 views

EDID - help to detect proper DPI and refresh rate values

I just tried to extract EDID file data with read-edid util; The thing is the output shows : $sudo get-edid | decode-edid ... Manufacturer: AUO Model 20ec Serial Number 0 Made week 0 of 2013 EDID ...
3
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185 views

Cannot get back signal after reboot using VGA-to-HDMI adapter

I recently bought an VGA to HDMI adapter for a HTPC (has a DisplayPort jack instead of HDMI, which got disabled when I put the TV Tuner in - long story - but VGA jack is still functional). I got it ...
3
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69 views

Xorg configuration hook for unblank screen

Is is possible to execute a command automatically when X comes out of a power saving screen blank? I.e., something that would be triggered when I hit a key/move the mouse to power up the display ...
3
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82 views

Automatically restarting process in the X server

I would like to know how to have a process that starts with the X server and automatically restarts when it stops running. I am running Ubuntu 14.04 with a KDE 4.13.3 desktop. I am running the ...
3
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1k views

Desktop suddenly becomes unresponsive to mouse (moving/focusing/clicking UI elements)

I have an annoying problem where my desktop suddenly becomes unresponsive to my mouse. This always happens randomly, at random times. Sometimes I can work for hours with no problems, sometimes this ...
3
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174 views

Separate monitors with separate keyboard and mouse input?

So I was wondering if it would be possible using Xfce and without virtual machines to essentially make one computer act as two by having two monitors with different workspaces and separate keyboard ...
3
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35 views

How to set VertRefresh without restarting X?

Suppose a second monitor is attached to a running system, and the video driver has some trouble getting this monitor's EDID to get its limits of operation. The monitor has a native resolution of ...
3
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341 views

Xorg: set provider source output in xorg.conf

I've configured quad screen with xrandr commands: xrandr --setprovideroutputsource 1 0 xrandr --output DVI-0 --auto --right-of DVI-1 xrandr --output DVI-1-2 --auto --left-of DVI-1 xrandr --output ...
3
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380 views

Mesa works, but unable to start Xserver and GUI with nvidia driver and nvidia-xconfig generated configuration file

I'm using Manjaro OS based on Arch Linux. So I can switch between gfx drivers using sudo mhwd-gpu --setgl [mesa/nvidia] command. But I'm unable to tap my gfx card, because of of wrong Xorg ...
3
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163 views

Ignore brief mouse click/releases

The switch contacts in my mouse are going, and rather than open it up yet again and clean them or try to hunt down a replacement switch (or buy a new mouse) I would like to solve this problem via ...
3
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51 views

How Does X build its modelist?

I have an embedded board running Linux 3.0.35 and X.Org 1.14.4. I'm modifying an existing framebuffer driver to support a new connector type. I'm reading the EDID, creating a new modelist using the ...
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462 views

Is there any way to resize scale application GUI window?

Is there any way to run an application scaling its GUI window? (Well, I'm using MATE but hope for universal solution). For example, up scale small window of an old game running under wine on high-...
3
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589 views

Using nvidia-settings over ssh

Now the new nvidia-driver has implemented CoolBits for the newer graphics cards I'm attempting to control fan/clock speed over ssh. When attempting to run anything with nvidia-settings via ssh I get ...
3
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0answers
633 views

XRandR crops displayed area on certain multi-monitor configurations

I have total of four monitors. One (1680x1050) is connected to integrated Intel display adapter, and three (1440x900 and two 1920x1080) are connected to dedicated ATI display adapter. With certain ...
3
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284 views

Lost control of the windows sent to monitor on HDMI, which xrandr doesn’t detect

I have set two monitors—one is a usual monitor, and the second one is an HDMI TV. The configuration is done in a single xorg.conf file. The problem is that the second display seem to be working, i.e. ...
3
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0answers
1k views

X11 module ABI version does not match server's version

When using startx on my 32 bit linux system running debian Jessie, I get the following error: (EE) module ABI major version (12) doesn't match server's version (15) (EE) no screens found tail /var/...
3
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466 views

Xorg Setting checking from Command Line

How do I determined, whether Xorg is using Xinerama, DDC and Reduced Blanking ?? Just adding few options in Xorg.conf is sufficient ? If I have to check from command-line, then how can I check ...
3
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214 views

How to get the mouse pointer where the input caret is?

I am running an Arch Linux system with i3 window manager. Let's say I am typing on a GUI editor and I want to insert text with the middle click button of the mouse exactly where I am typing. The ...
3
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96 views

Window content freezes

I recently started using Kanotix, a Debian based distro that loads itself into RAM on boot, and i'm loving it. But this is the second time I have this problem, and I was wondering what caused it and ...
3
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348 views

Used xrandr to rotate monitor but cannot reverse it after deleting script

I following a guide to have my tablet (Samsung ativ 700t running ubuntu 12.10 Gnome3) invert the screen 180 on login I place a script file in /etc/X11/Session.d/45custom-script. Contents of file: (...
3
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239 views

What steps are involved in porting an Xorg OpenGL app to DirectFB?

I'm looking for a birds-eye view on porting a small app1 that uses some OpenGL functions from it's home on Xorg to run in a more stand-alone fashion using DirectFB. I am unfamiliar with both C and ...
3
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0answers
1k views

Using gdm to manage xdmcp authentication over VNC

I've followed a few guides in order to enable XDMCP over VNC, however the end result is an ugly, if functional, default X login screen. It is not utilizing gdm for the authentication process, and I ...
3
votes
0answers
1k views

Keyboard repeat without pressing a key

Occasionally a key repeats although I do not press the key. I would like to prevent this phenomenon. The phenomenon happens when I am pressing Ctrl+w again and again. After several times of Ctrl+w, w ...
3
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0answers
474 views

How to map a complex multi-key combination into a shortcut to execute a process, in X (across WMs etc)?

I am wondering how can I make a complex multi-key combination like say, Ctrl+Alt+T into a shortcut to execute me a process,xterm for instance? The important caveat is that I want it wired into either ...
3
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1k views

Security of xhost (local) and sudo xauthority forwarding

Context: launch a GUI application as a linux service. I considered making a headless daemon with a GUI front-end but there is too much code involved to do it now. This service must start on user login,...
2
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0answers
14 views

How can I clone a specific work space to other outputs?

I am using i3-wm with Archlinux, and I nowadays are wandering that: is it possible to clone a specific work space to another output(monitor)? It is different from --same-as as well as --left-of --...
2
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0answers
45 views

How can I get my Optimus-addled NVIDIA card to offer output via xrandr?

I have a laptop that is crippled with NVIDIA Optimus. I'm not greatly interested in saving power so I'd be willing to turn on the NVIDIA chip permanently, but my BIOS does not offer that option. ...
2
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0answers
102 views

xinput shows two trackpoints instead of one

I have been using a script to configure trackpoint for ages. It worked on my current Lenovo x230 laptop with Gentoo but stopped working probably due to some software update. #!/bin/bash trackpoint="...
2
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0answers
36 views

Can I configure a touchpad to act as modifier keys in some circumstances?

I have Debian and use Emacs a lot. I have an idea which could help me in using modifier keys. Currently I just switch the touchpad off when using Emacs, with this command: synclient TouchpadOff=1 ...
2
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0answers
207 views

Debuggging `Maximum number of clients reached … unable to open display “:0”'

I am running an openSUSE Tumbleweed installation with KDE Plasma 5.4.3 . I tend to use a fair number of programs ( Eclipse, Firefox, Slack, Evolution, Konsole, various java applications ) and after ...