Did you read the post lol?
He says 3 out of all reports were linux specific.
If your AIO pump came with a hub you likely need to use it instead of plugging directly into the Mobo.
As an example my corsair AIO came with a hub and i didnt want to use it. Finished my build and found out i absolutely had to use it in order for the device to work properly.
OP this comment could be a major clue to whats happening with your AIO.
This is the best answer on the thread… It uses ventoy and is like hirens on steroids.