Device reports readiness to read but returned no data

General Discussion
1

Basic Information:

Printer Model: Sovol SV-06 Plus
MCU / Printerboard: stock
Host / SBC: BTT Pad 7
klippy (4).log (872.7 KB)
klippy.log

Describe your issue:

As the title already states my printer is giving me “Internal error during connect: read failed: device reports readiness to read but returned no data (device disconnected or multiple access on port?)”.

Today I made a few updates after a while. After that I startet a new print and everything worked fine. But after about 10 minutes the print stopped and I got this message.
I then tried a few things I found on the internet but nothing worked.
I switched cables and ports. I completely set up a new klipper on my BTT pad. I checked the connection of the power supply (couldn’t switch it as I don’t have another one atm).
Still the same error.

Then I built a new firmware and flashed it to the printer. And then I got a connection. Everything worked fine again and I thought that’s it. I started a new print and again it worked fine. But again after about 3 minutes it got the same error. And now I cannot get any connection. Not even when I flash the firmware again.

Right now I’m setting up a rasperry pi to see if it works with it.

I would highly appreciate any help.

Best wishes
Maxi

2

Now I have set up my raspberry pi with a more basic setting and not all “addons” e.g. obico, octoeverywhere installed.
But same cable, network and socket.
And now it prints fine. So i assume it has something to do with the BTT Pad or the installed software.
But I only installed via KIAUH so this shouldn’t be a problem.

Any ideas?

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