Avrdude: ser_open(): can't open device “/dev/ttyACM1”: Input/output error

Hey guys,

I know this has been posted 1000 times but I have not found anything that has any new suggestions and I am all out of ideas.

I am using an Arduino Uno. I am on EndeavourOS 5.11.16-arch1-1. This issue effects both the IDE and the Create Agent. I had this working about 3 weeks ago and I have since done a fresh install since I botched my old install messing with nvidia drivers. Now it does not work.

What have I tried:

The link out to reddit shows some people have said that cdc_acm has been broken but that seems specific to Manjaro.

The only thing I have not tried is going to an older kernel, which I would prefer not to do.

Anyone else having this issue? Am I dumb and just missed something simple?


Just got an update for my kernel and it fixed this issue.