On Tuesday, 18 September 2018 11:45:42 BST Terry Coles wrote: > 1. The most important question is; does anyone know why this might have > occurred? The original adaptors were extremely cheap and included a USB > hub, so they may simply have been badly designed.
I managed to identify the type of the original adaptors by monitoring the kernel messages as they were plugged in. (I didn't think I could do it, because I don't have a USB Hub (other than the one on the adaptor) and I don't have a USB Type B to Micro USB Adaptor (as opposed to the other way round), so I couldn't plug in my keyboard at the same time as the device under test without potentially compromising the test. Anyway I worked out how to do it with my Pi Zero and it turns out to be a Davicom DM9601. This post https://ubuntuforums.org/showthread.php?t=2130030 says that it is slow because it is only USB 1.1, but I can't quite see why it would work when the adaptor is used at one host and not when it us used at both. Thoughts? -- Terry Coles -- Next meeting at *new* venue: Bournemouth, Tuesday, 2018-10-02 20:00 Check if you're replying to the list or the author Meetings, mailing list, IRC, ... http://dorset.lug.org.uk/ New thread, don't hijack: mailto:dorset@mailman.lug.org.uk