What I’m trying to do: Create a dashboard with a Raspberry Pi 4 and a Samsung TV. What’s not working: I’m seeing some really weird video corruption with the Pi4. The cursor is fine, but starting any applications causes some (shredding?) of everything but the cursor. What I’ve tried: Adjusting …

Hello @ashmastaflash , could you please share the Dockerfile of the container running X11 ?

Hi @zvin , Here’s my Dockerfile: FROM balenalib/raspberrypi4-64-ubuntu-python:3.7-bionic ENV container docker ENV DEBIAN_FRONTEND noninteractive ENV DISPLAY ":0" ENV DBUS_SYSTEM_BUS_ADDRESS "unix:path=/host/run/dbus/system_bus_socket" ENV UDEV "1" ENV URL "http://dashboard:5000" COPY ./depends/os…

@ashmastaflash could you please try running this https://github.com/balena-io-playground/x11-window-manager and check if the video output has issues?

And can you share your /mnt/boot/config.txt file. I think there was some overlay that needed enabling for the pi4 as well

Hi @zubairlk , Here are the contents of the config.txt file: arm_64bit=1 avoid_warnings=1 disable_splash=1 dtoverlay=vc4-fkms-v3d dtparam=i2c_arm=on dtparam=spi=on dtparam=audio=on gpu_mem=128 hdmi_force_hotplug=1

Hey, glad you sorted it :slight_smile:

Hey, I’m experiencing the same kind of problems. Do you have any tips how to overcome this issue?

Hey @Andreas.Andersson , what exactly are you experiencing? Can you share any of your project? Or have you give a try to the suggestions above, that seemed to have solved things for @ashmastaflash ? Cheers!

Hi, I’m experiencing the same “tearing” when I’m starting my Electron Application. It’s built from the balena-electronjs project, but now running on a Raspberry Pi 4. The cursor is working fine, but the application itself is “tearing”. I can’t even get the original electronjs to work at this moment…

Raspberry Pi 4 video corruption

Product support balenaOS

ashmastaflash October 10, 2019, 5:08pm 14

Hi @zvin I was able to get the project you referenced to work! I’ll begin adapting that to fit my application. Thanks a bunch for your help!

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Raspberry Pi 4 video corruption

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