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Questions tagged [xorg]

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

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votes
1answer
50 views

Launching browser (Chromium or Firefox) without x server / xorg

I need to launch Chromium (or alternatively Firefox) on a raspberry PI 4 8 GB running Raspberry OS 2021-05-07 without launching xorg / xserver. Is that feasible, for example by launching it in ...
0
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0answers
75 views

How can I start an X-Server via SSH in Arch Linux ARM in order to run a VNC Server?

Hello RPi SE community, I followed this post (i.a.) from the official forum to install an X server on my Raspberry Pi Arch Linux: https://www.raspberrypi.org/forums/viewtopic.php?t=26398 $ pacman -...
0
votes
1answer
138 views

Dual-Window RPi: HDMI + TFT

Like others, I'd like to set up my RPi (3/B+) with two independent screens: an HDMI and a 3.5" TFT hat (mine happens to be from Adafruit). I can get to the point where the HDMI monitor works ...
0
votes
1answer
37 views

Wakeup HDMI display from standby without interrupting blank screen

I've a HDMI display attached to a RasperryPi 4. After few minutes, first a blank screen is activated, then the display goes into standby. I want to wakeup the display from standby (by a sensor via ...
0
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0answers
140 views

could'nt strat Qt application on X11 (raspberry pi 4 , raspberry pi os lite)

I am using the raspberry pi os lite, I cross compiled Qt5.14.2 on it and before that I installed Xorg and openbox sudo apt-get install --no-install-recommends xserver-xorg x11-xserver-utils xinit ...
0
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0answers
20 views

Boot to Emulator, filling the screen, running Raspbian Lite

I've set up my Raspberry Pi (with Raspbian Lite) running the GSPlus emulator, and the minimum possible X-Windows software to display on start up. The problem is that the emulator only displays in the ...
0
votes
0answers
43 views

Starting X applications over ssh on the local monitor

If I have a Pi with monitor connected but no keyboard or mouse how can I remote in to the Pi over the net with ssh to start applications running on the attached monitor. In particular, I have a hq ...
0
votes
0answers
132 views

config.txt conditional filter for 7" touch display?

I just bought a brand new Pi4 and official 7" touchscreen display along with case. I also have another existing Pi with HDMI monitor. I'm running a custom image based on Raspbian Lite plus ...
2
votes
1answer
114 views

Pi4 start X server only on one HDMI output

I have coded a program to display a countdown using PySimpleGUI. I want to run it on one HDMI output of the Pi4. The other HDMI output should continue to run a regular frame buffer as I’d like to use ...
3
votes
0answers
549 views

How to run 2 load cells each with a HX711 on Rpi

I've been tinkering, reading watching for weeks and been able only make little progress. First off I have zero knowledge about Python coding (did some ABAP 18 years ago). I'm trying to help my son to ...
0
votes
0answers
109 views

Python GTK application on raspbian lite

I run raspbian lite because I don’t need the complete desktop environment. Actually I like to run my GTK application from the command line. I was trying to install xorg. It does not run... I need some ...
0
votes
1answer
179 views

DPMS config in kiosk mode with xorg and openbox

I just put together a raspberry PI in kiosk mode that is using xorg and openbox to auto launch the chromium browser in kiosk mode. It's using xorg and openbox to display the browser, and works fine, ...
0
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0answers
133 views

Arch Linux ARM - KDE Plasma Desktop - Failed to connect to bus: Operation not permitted

Arch Linux ARM on Raspberry Pi 4 (4GB) KDE Plasma Desktop I get this error: startx X.Org X Server 1.20.9 X Protocol Version 11, Revision 0 Build Operating System: Linux Arch Linux Current Operating ...
1
vote
0answers
2k views

Install Xorg on Arch-Linux-ARM

H!@all I installed Arch Linux ARM on my Raspberry Pi 4 (4GB) every thing is working fine. Now i want to install a graphical user interface (GUI, Desktop environment). The Arch-Linux-wiki says nothing ...
1
vote
2answers
486 views

Xorg doesn't start after upgrade from Stretch to Buster

After I upgraded my Pi 3B+ from Stretch to Buster, the X Server does not come up again. I cannot access the desktop/window manager. As the machine is just for remote logins, the first symptom is that ...
2
votes
1answer
1k views

Raspberry Pi ssh X11 Forwarding

I have a raspberry pi 4 (4gb) as my local machine and am trying to ssh in to an ubuntu laptop with X11 forwarding. I can connect just fine but I have the classic empty $DISPLAY variable and I'm not ...
0
votes
0answers
391 views

Why does WPE Webkit has hardware acceleration but Chromium doesn't?

I'm working on an engineering project for a client and after various tests, the web software runs better when called from Webkit running on the framebuffer, than Chromium from the X. As it sometimes ...
1
vote
1answer
57 views

Troubleshooting my project xorg error. Services not booting

My /etc/X11/xorg.conf is empty i did have a 99-calibration.conf I put in /etc/X11/xorg.conf.d/ but I had to make the xorg.conf.d/ dir so i migth have already messed up before. Now starting the pi ...
3
votes
0answers
591 views

Raspberry Pi 4: Console on first HDMI screen, X11 on second HDMI screen

The new Pi 4 has two HDMI Ports. After booting Raspbian, the first screen (HDMI-0) should display the console and the second screen (HDMI-1) should display the X11 desktop. My first thought was ...
6
votes
2answers
6k views

Pi 4 X-Display resolution doesn't match frame buffer

I just picked up a Pi 4 and imaged a new card with Raspbian Buster. I'm running this headless (using VNC) but noticed the resolution doesn't match what I've set via raspi-config (which updates /boot/...
2
votes
3answers
7k views

Xorg not working after upgrading to buster [closed]

After switching to Raspbian Buster and rebooting RPi3 B+ boots into a shell. (I use the GUI so this is a bit odd) After typing in startx I get this error (I cutout a bunch of junk): (EE) no screens ...
2
votes
0answers
86 views

Touchscreen calibration: touchscreen does not cover full display

I have purchased an industrial touchscreen monitor that supports Linux through PenMount drivers. The VGA video output (via HDMI adapter) works perfectly, and the USB touchscreen is perfectly ...
2
votes
3answers
2k views

Touchscreen xinput calibration not working

I want to calibrate a touchscreen named "eGalax Inc. USB TouchController" on my Raspberry Pi. I think X and Y axes of the touchscreen are inverted. I used xinput_calibrator for this purpose. When I ...
2
votes
2answers
701 views

Do I need x11 and desktop environment to have a UI?

I have a headless build; which has no x11 server nor any desktop manager. I would like to run some music applications; so I can use a small touch screen that I recently found; and I was wondering if ...
1
vote
1answer
529 views

Pi 7" touchscreen + Chromium in kiosk mode shifted down + right by 10px

I am using a Pi 3 B+ with the Pi Foundation 7" touchscreen for a personal home automation system. The UI is a webpage displayed in a Chromium browser in kiosk mode. Here are my specifics: /etc/X11/...
2
votes
1answer
729 views

Does 'xdotool' only work on OS with gui?

I have installed xdotool on my raspbian stretch with desktop and on there, everything works fine. But I also tried to install xdotool on raspbian stretch lite and on lite I always encounter the ...
2
votes
1answer
9k views

Installing XFCE4 on raspberry Pi

I want to try out XFCE4 on the raspberry pi. This is mainly because of two reasons: ► I just like XFCE ► I want a bit more flexibility when it comes to GUI scaling - I have a 240x320 LCD and need to ...
3
votes
1answer
2k views

OpenGL desktop driver

I have RPi3 with 7" touchscreen display connected, Raspbian Stretch installed. I would like to use OpenGL desktop driver. I run "raspi-config" > Advanced Options > GL Driver and select the driver. ...
3
votes
2answers
1k views

Long blank screen during Xserver startup

we have RPi3 with touch screen display. We want to configure very smooth boot process with custom splash screen displayed and boot directly into our own GTK application. So we have replaced Plymouth ...
3
votes
1answer
6k views

X forwarding not working over ssh

For the headless raspberry pi (rp), I tried to connect from my windows PC to Raspberry pi via mobaxterm and ssh. I can connect via ssh (ssh pi@ but I can't display to my local display(ssh -X pi@. I ...
2
votes
1answer
1k 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 ...
3
votes
1answer
817 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 an xorg desktop session when connected to an ...
0
votes
1answer
529 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
71 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 ...
2
votes
0answers
656 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
2k 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
644 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 ...
2
votes
0answers
470 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
99 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 ...
2
votes
1answer
985 views

I cannot connect with VNC

I cannot connect with VNC. sudo service --status-all output: pi@raspberrypi:~ $ sudo service --status-all [ - ] alsa-utils [ + ] apache-htcacheclean [ + ] apache2 [ + ] avahi-daemon [ + ] ...
8
votes
2answers
2k 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
789 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
245 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
75 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
2k 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... Using ...
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
93 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
1answer
872 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
81 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 ...
5
votes
1answer
12k 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 ...