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mark-a avatar image
mark-a asked

Distorted screen installig Venus OS large image v2.93 on Raspberry Pi

I tried to install the current (v2.93) Venus OS large image on a Raspberry Pi 3B but got a distorted screen after booting the SD. Then I tried another HDMI monitor with the same result. The standard Venus OS image v2 93 works properly. Any ideas anyone?img-20230319-192241.jpg

Venus OSRaspberry Pibug report
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nishad answered ·
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mark-a avatar image mark-a commented ·

Thanks for your answer but from what I read in the Readme this does not address the problem I pointed out. Apparently it requires a functional display and affects the GUI only not the headless mode. I can't even get to the point wher I could run the script because I'm stuck with the default headless mode of a fresh install without being able to read the console output.


As said the problem solely occurs with the large image and not the standard one of the same version. It rather looks like an issue with the Venus OS large image v2.93 which has to be addressed there.



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nishad avatar image nishad mark-a commented ·

SSH into the RPi and run the script. This will allow you to configure HDMI timings and parameters to suit the display. It will also allow you to (optionally) calibrate touch. I have successfully used this method across multiple displays.

I can't explain why there's a difference in behavior between the standard and large image.

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mark-a avatar image mark-a nishad commented ·

AFAIK SSH has to be enabled first after a fresh install but that is not even the point. As I initially wrote I already have solved the problem FOR ME for the time being by installing the standard image. I reported the issue because it's likely a bug or flaw in the large image and so that someone with the necessary inside can check and address it or someone with the necessary hardware, skills, and spare time could try to reproduce it and report.

Apart from that I currently have no other way to access the RasPi than with a Display and keyboard attached unless I activate WiFi first. I did that with the standard inage from the Venus GUI but no way with the large one as long as the screen doesn't work properly. I don't even have a crosslink cable here so I could directly attach it to another computer vie Ethernet.

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Related Resources

Victron Venus OS Open Source intro page

Venus OS GitHub (please do not post to this)

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Raspberry Pi running Victron’s Venus firmware - Blog Post

Venus OS Large image: Signal K and Node-RED - Install

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Additional resources still need to be added for this topic