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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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3answers
701 views

Xorg not working after upgrading to buster

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 ...
3
votes
2answers
807 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/...
1
vote
1answer
4k views

startx — -layout HDMI -layout TFT # at the same time?

This verbiage implies, if you want a desktop on both heads of a Pi(2) with a PiTFT hat, you just startx each desktop: startx -- -layout TFT & startx -- -layout HDMI & Various combinations of ...
3
votes
0answers
138 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 ...
13
votes
4answers
15k views

How do I attach two monitors in a dual head configuration?

I'm considering buying a Raspberry Pi or compatible solution. My problem is that I could not find how to achieve a dual head configuration. I would like to attach two 1920x1200 displays by digital ...
11
votes
3answers
30k views

X11 forwarding with Xming over SSH?

I've got SSH access, and I have Xming installed, along with Xming fonts. I've configured PuTTY to forward x11 and told it to place the desktop at localhost:0, according to the instructions here. ...
1
vote
2answers
6k views

Xlib: extension “RANDR” missing on display “:1.0”

I'm trying to run openvibe-designer on my raspberry pie over vnc. Currently I am using Xvnc version TightVNC-1.3.9. All other applications that I've launched over vnc have worked. I only get this ...
0
votes
1answer
290 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
1answer
347 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 ...
65
votes
11answers
104k views

How can I remove the GUI from Raspbian/Debian?

I would like to know how to completely remove X.org and all GUI-related components from Raspbian or soft-float Debian. The most obvious solution would be sudo apt-get purge xorg, but I am afraid that ...
0
votes
1answer
236 views

XDM display manager builds but does not run

I'm trying to modify the X display manager (xdm) source code in order to use it for a special purpose. However when I build and install it, it does not run and I end up getting the non-X login prompt. ...
0
votes
1answer
298 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 ...
1
vote
1answer
482 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 ...
6
votes
1answer
1k 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 ...
1
vote
1answer
731 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 ...
1
vote
2answers
1k 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 ...
0
votes
0answers
60 views

Raspberry Pi 4B no video - xorg fail

I have Rapsberry pi 4B with 2GB of RAM. After some time I powered up Pi but not video output was shown. So I connected via ssh but there is no :0: 16:02:32 up 13 min, 2 users, load average: 0.00, ...
2
votes
1answer
519 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 [ + ] ...
0
votes
1answer
653 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
1answer
2k 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 (...
2
votes
1answer
249 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
0answers
46 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 ...
1
vote
0answers
151 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
90 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
66 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/...
7
votes
3answers
1k views

Is URxvt's slow rendering because of the limited RAM'?

My URxvt renders text very slowly, about 5 lines per second, and doesn't render fully when resized. Is this normal for Xorg and URxvt? Is this caused by the limited RAM on the RPi or by my ...
2
votes
1answer
187 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
1k 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. ...
2
votes
1answer
3k 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
2answers
383 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 ...
1
vote
2answers
3k views

How to cleanly remove x11?

I installed x11 in an attempt to get VNC working. Had problems. Then installed TightVNC. Is it a problem to run both? Are there potential conflicts? How can I cleanly uninstall x11? I'm running ...
44
votes
6answers
15k views

Is there a GPU accelerated Xorg server?

At present all of the official builds of the X Window System run on the CPU, which takes up a lot of processing power and runs X rather slowly. I know there's no official GPU accelerated version of ...
2
votes
1answer
501 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 ...
13
votes
4answers
61k views

Problems starting X

Just whacked Raspian on an SD card, and booted up my Pi. A message at the top says 'Use startx to start a graphical interface'. So I startx. I get a load of details: OS version; X version; all that ...
4
votes
3answers
57k views

“cannot open display” with PuTTY

I am controlling my PI through my PC (wich is running Windows 7) using Putty to type in commands and tightvnc viewer to access the GUI. I can launch programs with the TightVNC viewer GUI or TightVNC ...
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... ...
2
votes
2answers
2k views

Chromium half window

Chromium launches via: @chromium --kioski localhost:8080 but screen is always half. Can't resize, can't do anything, not even without the kioski option Ideas?
3
votes
2answers
5k views

Minimize Kodi to run full screen X on OSMC Alpha 4

I am running OSMC Alpha 4 on my new Raspberry Pi 2. This comes with Kodi v14 (Helix), which auto-runs at boot. I can run an X application (xclock for example) after first killing Kodi with pkill ...
1
vote
0answers
53 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 ...
1
vote
5answers
13k 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
0answers
353 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
2answers
370 views

How to use ssh X11 forwarding instead of VNC?

Let's say instead of installing a vnc I want to use X11 forwarding with ssh. The problem is X11 forwarding doesn't show the current desktop; it only shows you new graphical windows. How can I use X11 ...
0
votes
0answers
1k 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 ...
2
votes
0answers
263 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
67 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 ...
12
votes
4answers
15k 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 ...
0
votes
0answers
577 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 ...
18
votes
2answers
76k views

Possible to reinstall X server and use graphical after having removed it?

I've used my raspberry pi for about 2 years now and in the beginning I removed the X server as I thought I'd never use it. (I followed the tips here to remove How to uninstall X Server and Desktop ...
2
votes
3answers
3k 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
1answer
176 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 ...