On Sun, Jan 17, 2021 at 11:36 AM Grr <gebbe...@gmail.com> wrote: > Have you tried starting from original, working config and adding and > testing after _every single_ change? > > If you're changing OS elements, maybe one of them is affecting USB without > you knowing > > Testing at every change is tedious but sometimes the only possible > technique
If you're using version control, and each feature you add is a new commit, then you can bisect to find which commit breaks USB, with fewer tests than testing each commit in sequence. Nathan