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Questions tagged [xorg]

For questions pertaining to running, configuring, installing or troubleshooting the Xorg Server on the Raspberry Pi.

2
votes
1answer
22 views

3.5" TFT Calibration Problem

I am struggling to understand what is going on with my (knock-off) Waveshare 3.5" TFT calibration. For my application, I need to have the display and the touch screen rotated 180 degrees. Flipping ...
0
votes
0answers
34 views

GPU accelerated Chromium on Alpine linux only works without sandbox

I'm trying to build a headless kiosk using alpine linux with chromium. However, I'm only getting GPU assisted compositing if I run chromium with --disable-gpu-sandbox or --no-sandbox. This would have ...
0
votes
1answer
99 views

How to start xorg on a physically connected display via SSH?

The pi is configured to start into text mode so that no xorg libraries are loaded during normal operation. Yet I would like to be able to occasionally run a xorg desktop session when connected to an ...
0
votes
1answer
108 views

Display a pygame window on builroot custom linux

I'm using Buildroot 2018.02 to create a custom Linux to run my raspberry pi 3. I'm trying to display a pygame window on the external hdmi screen from command line. So far, I've been able to boot the ...
1
vote
0answers
37 views

Do I need to start fresh? I think I messed up X-window

Long story short I can't get my pi 3 B+ to display kodi running on osmc because I jacked up the X-windows possibly? I'm wondering if there is a way for me to reinstall what is creating my GUI going ...
0
votes
0answers
159 views

Loading an ICC profile on Raspberry Pi doesn't work

I am using a Raspberry Pi 3 Model B (non-plus) together with the official 7 inch touchscreen connected to the DSI connector. The latest Raspbian 2018-03-13 is installed. This works fine, but the ...
0
votes
0answers
464 views

Xdotool Can't open display: (null)

I am using Raspian Jessie. I create a c++ program that it is execute as service at startup. It open a xserver session with chromium in kiosk mode and use xdotool to change the browser tab. The xserver ...
1
vote
1answer
234 views

How to setup video/graphics correctly on the Raspberry Pi 3?

My question is similar to this. However I need to clarify some details. I can't find anything about this statement "I also read that the vc4 driver does not use the gpu_mem parameter, confusing ...
0
votes
0answers
380 views

''Unable to connect to X server" error, using xinput

I have a python3 script, intended to run at boot using rc.local. The script is for multimedia purposes, uses omxplayer and GPIO pins. Im using WaveShare 7In HDMI LCD as the display, with the ...
0
votes
0answers
187 views

How to start a graphical session for a non-root user?

How do I start my window manager with nodm such that the session will be for a normal user (pi), not root? As of right now, when I launch a terminal from the window manager, it is run as root. That ...
1
vote
0answers
109 views

How to disable sub-pixel aliasing for fonts

On running desktop environment pixel is hard readable all small texts, because default font sub-pixel aliasing don't correspond with my screen. So, how to disable font sub-pixel aliasing for all ...
0
votes
1answer
48 views

Remote Access RPi 3 via RPi 0 …?

Is it possible to remote view a Raspberry Pi 3 with a Raspberry Pi Zero? I'm looking for a simple solution to switch to a Full GUI of a remotely accessed Raspi-3 by simply swapping the Input Channel ...
1
vote
1answer
304 views

I can not connect with VNC

I can not connect with VNC. "sudo service --status-all" output: pi@raspberrypi:~ $ sudo service --status-all [ - ] alsa-utils [ + ] apache-htcacheclean [ + ] apache2 [ + ] avahi-daemon [ + ] ...
5
votes
1answer
513 views

How to start Xorg while showing splashscreen?

I'm creating a simple device with a Raspberry Pi and a touchscreen display connected to it. On boot, I want to show a loading image (a simple gif or jpg) while X is starting. Then a chromium-browser ...
0
votes
0answers
327 views

Raspbian Lite: xinit at boot as soon as possible

Yes, another question on 'How to start the x server at boot' . I am new to linux admin things so I don't know how to do it correctly. I am using Raspbian Lite which does not include any graphical ...
1
vote
1answer
86 views

Cannot use xdotool to send key to gqrx

The following works perfectly on my desktop debian: xdotool search --onlyvisible --classname gqrx windowactivate key ctrl+d It will activate the window of gqrx and synthetically hit ctrl+d, starting ...
1
vote
2answers
49 views

Leaving Iceweasel running remotely

I've got a Raspberry Pi 3 Model B with Raspbian Jessie Lite. So far I've been happy running it with command line only, but I came up with a use case for a graphical browser, so I installed the X ...
1
vote
1answer
912 views

Redshift for ARM, Arch Linux

I have an RPi 3b running Arch Linux. I'm attempting to run Redshift: redshift -O 3300 The output is: Gamma ramp size too small: 0 Failed to start adjustment method randr. Trying next method... ...
3
votes
2answers
2k views

In Jessie light what is needed for a graphical (opencv) application to show?

I've compiled opencv from source and installed it on a rpi3 Jessie (full) and I decided to do the same on a new rpi3 but with Jessie light this time. However when I try to run some of the examples, I ...
2
votes
1answer
46 views

Access to another X session from another

I have RPi3 connected to the TV via HDMI. I'd like to have another connection (via VNC for example) and start presentation which will be displayed on that TV connected via HDMI. Is it possible?
0
votes
0answers
556 views

How to run a Python script from a terminal in its own X window server instance

I am using a Raspberry Pi 2 Model B+ running Raspbian Jessie Lite. I have a Python script that uses Tkinter. When I simply run: python some_script.py It throws the error: no display name and no $...
0
votes
1answer
435 views

Pi 3 Xorg.cond.d missing and need to swap the axis for the eGalax USB touchscreen

I have a problem: xinput_calibrator doesn't work properly. After I touch 4 points my touchscreen's X and Y axis stay swapped. And I can not apply changes manually in the Xorg.conf.d directory because ...
0
votes
2answers
65 views

Changing run level causes freeze

I accidentally discovered that the Raspberry Pi 3 can run on 2.1A, so I constantly get the Lightning Bolt in the corner, indicating that I'm going to go over the limit it will let me. So, to consume ...
4
votes
1answer
5k views

How can I setup the video / graphics on the Raspberry Pi 3?

There seem to be redundant accelerated video module options for the Raspberry Pi 3. I read that the Raspberry Pi uses a device tree (a rather clever solution for ARM systems which do not have the ...
2
votes
0answers
700 views

Change PiTFT 2.8" screen resolution

I have a Raspberry Pi 3 running Raspbian Jessie with a PiTFT 2.8" resistive screen. Everything is working great, except that the resolution is not optimal; icons and text are too big for the screen to ...
1
vote
1answer
630 views

PiTFT Touchscreen calibration is ignored by Pi Zero W

I'm using an Adafruit 2.4" Resistive PiTFT on my shiny new Raspberry Pi Zero W and I've finally managed to get the display configured but the touchscreen is proving a problem... (Please note that ...
0
votes
1answer
571 views

7'' touchscreen - window manager

I have bought a 7'' touchscreen. I would like to use fingers to display my graphs/camera picture/forecast maps. The way more The default window manager is ok with mouse, but not very effective with ...
1
vote
5answers
8k views

TFT LCD 3.5 display with inverted axis

Following my previous question, I now have a working LCD display, but with a different issue. The problem is the same as in this question, yet I am unable to find a solution. I don't have a xorg....
1
vote
1answer
635 views

X server running but no GUI showing

I'm using a Raspberry Pi model B (512 MB RAM) with the following touch screen and the latest image of Raspbian. The screen drivers are ok, since I can see the loading screen and the tty. If I plug in ...
1
vote
0answers
413 views

With the new openGL driver, can I make a resolution change permanent?

I am using the new openGL driver to run a WebGL app. It runs a lot smoother if I change resolution to 720p, which I can do with xrandr -s 1280x720 This works perfect, but resets after reboot. I ...
0
votes
0answers
107 views

After X server update 1.18.4 `su — pi -c “startx” &` not working anymore

My Raspberry Pi (Jessie) updated xserver-xorg-core to 1.18.4 from 1.17.2 Now su -- pi -c "startx" & in /etc/rc.local doesn't work anymore. Cannot open virtual console 2 Update: Start-Date: ...
11
votes
4answers
11k views

How to boot into own python script (GUI) only?

I have the following problem: Using a RaspPi 3B running Raspbian Jessie (version 4.4.26-v7+) I would like the GUI of a self-written python script to be executed on startup. I know that this question ...
3
votes
0answers
457 views

running x on read-only raspbian

I am trying to run xserver on a read-only raspbian. I get the following errors. root@ClientX:/var/log# startx xauth: error in locking authority file /root/.Xauthority xauth: error in locking ...
0
votes
0answers
256 views

boot luakit (or midori) on bare X11 desktop (kiosk app, PI3, jessie)

I'm developing a kiosk app using PI3 and the PI Touchscreen. The app is served on localhost. I'm looking for the bare minimum wm that will allow the browser (either luakit or midori) to run and ...
1
vote
1answer
734 views

Remote desktop to main session

I need help with xrdp; I need a remote desktop to the same "X server" the Pi boots into. Is this possible? E.g., if: I have the Pi with keyboard but no display and I want see input through remote ...
0
votes
1answer
250 views

wpa_gui - X11 connection rejected because of wrong authentication

I am trying to use wpa_gui on my Pi2 from a windows machine using ssh inside MobaXTerm. When I do ssh -X pi@ I get X11 connection rejected because of wrong authentication. wpa_gui: cannot ...
2
votes
1answer
1k views

Set X background as soon as poosible

I am currently working on a small rpi3 kiosk. I managed to set up a boot splashcreen with fbi started by an initscript. However I can not make a smooth transition between the splashscreen and the ...
4
votes
1answer
713 views

Minimal Kiosk GUI on PI

I'm trying to work out how to build a minimal OpenGL application on Raspian. Once complete, I don't require command line or Window Manager access (outwith the Application itself) however will require ...
1
vote
1answer
270 views

Forwarding GUI applications to Raspberry Pi

I am attempting to write a GUI application for the Raspberry Pi using Python and Kivy. I want to do all the development on my Mac because it is far easier for me but then display the application on ...
1
vote
0answers
208 views

XBMC on HDMI while Xorg on Official DSI Raspberry display

I have an RPi running Xorg Desktop environment on the official DSI display. Is it possible to have XBMC/Kodi or other software working on the HDMI output simultaneously?
0
votes
0answers
1k views

How configure Xorg to disable DPMS completly on linux w/ SATO desktop

Using the Raspberry Pi 3 My Linux It's a Yocto image with Sato desktop root@raspberrypi3:~# lsb_release -a LSB Version: core-4.1-noarch:core-4.1-arm Distributor ID: poky Description: Poky (...
1
vote
1answer
2k views

How to get smooth mouse acceleration?

I have the default NOOBS Debian install. The mouse acceleration seems totally crazy. Well actually, initially it was disabled and the mouse was really slow. I upped the 'Acceleration' and 'Sensitivity'...
5
votes
4answers
15k views

How do I make “startx iceweasel” launch full-screen?

I've done a clean install of Raspian Lite on my Rasperry Pi (there is no desktop environment installed). I'd like a kiosk-mode browser running fullscreen without having to worry about maintaining/...
0
votes
2answers
2k views

startx through SSH gives 'not autorized error' although 'allowed_users=console' is set

I'm trying to run X server through SSH terminal (PuTTY) without root privileges but I'm getting error 'X: user not authorized to run the X server, aborting.' My '/etc/X11/Xwrapper.config' is set to: ...
2
votes
3answers
2k views

'xeyes' : how to start 'undecorated' : and at boot?

It's fun to run 'xeyes' on Raspbian - because of the big Raspberry in the middle of the desktop. But by default if you just type 'xeyes' in a terminal : the eyes come up with extra 'decorations' on ...
1
vote
0answers
65 views

My USB2VGA is working - How do I configure X to use that screen?

I have a green screen on my USB2VGA connection (DisplayLink). How do I configure X to use the screen /dev/fb1 which exists? I do not find an xorg.conf.
2
votes
1answer
534 views

x2x on Raspbian

Hello everybody! I'm trying to setup my raspberry pi as a second monitor (to something like synergy ) with my Debian laptop using x2x and I am unable to figure out what is going on. I tried following ...
3
votes
3answers
736 views

how to run GDM on raspberry pi 2

I need to run GDM on raspberry pi 2 with a fresh arch linux. I installed: xf86-video-fbdev xorg-xinit gdm I created a ~/.xinitrc containing: exec gdm But when I use startx I get some text then a ...
3
votes
1answer
2k views

How to run X server without LXDE?

I would like to run a "naked" X server (using a framebuffer for output) on the Pi. However, startx will also start LXDE, just as startlxde and startlxde-pi do, and I cannot find a way to get around ...
1
vote
2answers
944 views

How to make startx open new X Session in tty7?

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 ...