Raspberry Pi Zero 2 W Freezes at init

[iv-mexx]

Hi there, right away I'm sorry for probably being too vague but I dont know how to get more useful information...

Everything worked fine until yesterday when I ran apt upgrade on my Raspberry Pi Zero 2 W.
After that, as soon as init is called in ws2812svr, the Pi freezes and gets really hot.
I'm only connected via SSH and at that moment the SSH connection breaks, so I dont know how to get any more information...

When I put the same SD card into my older Raspberry Pi Zero 1, everything still works as expected....

[tom-2015]

I once had that problem too and found it was a short circuit between 5V and 3.3V (soldering mistake). The Pi seemed to work perfect in the first place but always crashed when opening the ws2812svr. Later I found out some other stuff wasn't working anymore, SD card was very hot and then noticed the solder problem.

This might be a total different problem... What you can do is try using a different DMA channel but be careful as this may corrupt the SD card or do unexpected things.

Try if this library works: https://github.com/jgarff/rpi_ws281x which the ws2812svr is based on.

[tstalzer]

Hello
We have the same issue with a Pi Zero 2W with the latest Raspbian image from the raspberry pi website.
As soon as we do an "init" after "setup 1,20", the system hangs
We triplechecked the connections - no short circuit on the board
Any ideas?
Kind regards
--Thomas

[iv-mexx]

@tstalzer I was never able to resolve this, but I have since tried with multiple other Raspberry Pi Zero 2W and all of them had this issue.
Paradoxically, I was also not able to find any older Raspbian image where it's working even though I know it was working before upgrading a day before opening this issue...

[tom-2015]

I know I've had the issue myself but didn't have time to investigate yet sorry, maybe someone can find it and make a pull request?