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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13
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261 views

Hiding the mouse cursor dynamically when using the touchscreen

I have a touchscreen laptop and I want to hide the pointer whenever I touch the screen. I am aware of solutions like unclutter and startx -nocursor but I want the pointer to hide/show dynamically, ...
7
votes
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740 views

Monitor connected via displayport to DVI adapter won't sleep properly

I have a monitor connected to my machine that displays odd behavior when entering power saving sleep mode. When entering sleep, the monitor will alternate between blanking and displaying a default ...
6
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47 views

How do I activate Xorg record module on Raspian?

I'm trying to automate some tests on my RaspberryPi and I'm using python's pymouse to perform some emulated clicks. On my Debian it works fine, but when it comes to Raspian it keeps failing with this ...
6
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0answers
1k views

Mouse scroll wheel speed far too sensitive

In my crunchbang installation with X11, openbox, my wireless usb mouse is listed at both /dev/psaux and /dev/input/mouse0. It's working fine apart from the scroll wheel, which although active, is far ...
4
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1k views

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. ...
4
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0answers
329 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: ...
4
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0answers
477 views

What is the xcalib -screen number for the HDMI monitor?

I must use a VGA-to-DVI cable and a HDMI cable to run two monitors. I'm trying to invert the colors on both monitors but I can only invert one of them: $ xcalib -invert -alter -s 0 #works $ xcalib ...
4
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314 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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338 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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0answers
108 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 ...
3
votes
0answers
16 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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0answers
90 views

xrandr: where does VIRTUAL1 output come from?

Executing xrandr shows me the outputs my graphics card has, but also a VIRTUAL1 one: $ xrandr Screen 0: minimum 8 x 8, current 4160 x 1024, maximum 32767 x 32767 eDP1 connected 1600x900+0+0 (normal ...
3
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0answers
56 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. ...
3
votes
0answers
37 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
votes
0answers
53 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
votes
0answers
489 views

How to setup x11 touchscreen in linux desktop?

I am using opensuse desktop with two screens, top and bottom. Only the bottom screen is touchscreen, which is USB touchscreen. Both monitors are used as a single screen. I tried to configure the touch ...
3
votes
0answers
286 views

HiDPI scaling for non-aware applications

Current situation I have a 15" 3200x1800 screen, which is referred to as Retina or HiDPI. Using Linux Mint Cinnamon, I already have a desktop that scales nicely - but that's pretty much it. Besides ...
3
votes
0answers
120 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
votes
0answers
46 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 ...
3
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0answers
815 views

xorg memory leak

I've read this question but it doesn't seem to be the same issue, as the memory leak there is an order of magnitude smaller than mine and seems to be caused by Nvidia drivers.. Here's my top output at ...
3
votes
0answers
449 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
votes
0answers
182 views

Due to a broken monitor, I need to setup only the right half of my screen

The left side of my full hd monitor is broken, in order to use only the good part the resolution needs to be 1274x1080, aligned to the right. A simple xrandr -s 1274x1080 will get the right ...
3
votes
0answers
202 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
113 views

Disabling an Xorg server's extension at runtime (for new clients)?

I have an old Xorg server whose "Render" extension seems to be buggy (if enabled, most of the fonts are invisible, unless hovering over them -- after upgrading the packages with X clients and ...
3
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0answers
93 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 ...
3
votes
0answers
285 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
votes
0answers
176 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
votes
0answers
349 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 ...
3
votes
0answers
86 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
votes
0answers
292 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
votes
0answers
209 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
votes
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
834 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
votes
0answers
421 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
votes
0answers
987 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 ...
3
votes
0answers
322 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). ...
2
votes
0answers
39 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 ...
2
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0answers
62 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 ...
2
votes
0answers
102 views

How do I tell systemd-logind that the session is not idle, without using a desktop environment or session manager?

I want to use logind for power management. After 30 minutes of inactivity, I would like the computer to suspend. Problem is, right now, it suspends after 30 minutes, even when I am active with mouse ...
2
votes
0answers
99 views

HDMI on Nouveau driver is glitchy

I am trying to use HDMI with a nVidia GT525M card with the Nouveau driver. Distro is Ubuntu 15.04 and the monitor works perfectly with the VGA output (by a Mini DisplayPort to VGA adapter) - then I ...
2
votes
0answers
23 views

Run script after changes in X server geometry

Is there an option to run a given script after the X server geometry is changed (or every invokation of xrandr)?
2
votes
0answers
106 views

Using xrandr when starting new xserver

I'm trying to set the resolution and refresh rate of a screen when i launch an application on a new xserver. The xrandr commands i usually use to get this screen to work are: xrandr --newmode ...
2
votes
0answers
52 views

General way of debugging vmware mouse issues in X11

I run a virtual vmware archlinux installation, and constantly have problems with mouse grab/ungrab. At some point it was fixed by commenting out pointer lines in 10-evdev config, but on every update ...
2
votes
0answers
58 views

Remapping Num Lock key to function as Caps Lock

As a followup to this question, my Caps Lock key is now mapped to Compose instead. However, it turns out that my 14 month old toddler still manages to turn on Caps Lock from time to time with his ...
2
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0answers
48 views

How to attach keyboard and mouse to another screen?

By default, the X server would attach keyboard and mouse to display 0:0, but how to change it to another screen such as 0:20?
2
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0answers
269 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 ...
2
votes
0answers
89 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 ...
2
votes
0answers
19 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 ...
2
votes
0answers
73 views

Making a touchpad without buttons like a normal touchpad with buttons

Assume a synaptics compatible mousepad that has no physical buttons, but where the whole surface is physically clickable (not a tap, but physically clickable). A particular touchpad with these ...
2
votes
0answers
146 views

X server periodically restarting for no reason

The following is for an Debian 7.x (wheezy) amd64 machine - my personal workstation. X has been periodically restarting for no reason. It has been happening once a week or a bit less frequently. ...