Stories like these are my catnip. The 500 mile email is another great one.
How did you end up debugging/reproducing? I conjured a picture in my head of an engineer comically exasperated and squeezing the controller followed by an “Aha!”
There was bare PCB prototype running on my desk that was in the way. I started cleaning my desk to work on something less frustrating and it got knocked off by accident. The logger went haywire immediately. That was the hint I needed.
How did you end up debugging/reproducing? I conjured a picture in my head of an engineer comically exasperated and squeezing the controller followed by an “Aha!”