[Bug 271012] FreeBSD kernel does not detect USB3.2 storage media on Windows Dev Kit 2023 USB-C ports (for example?)

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 28 Apr 2023 22:36:29 UTC

--- Comment #1 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Mark Millard from comment #0)

The media here is a USB3.0 SSD, making a somewhat
different case than the USB3.2 device reported
previously. (I.e,, t\The 4th combination is now tested
to some extent.)

Interestingly, using an adaptor to USB-C for plugging in
media after booting FreeBSD, I get different results on
different systems (the only FreeBSD USB-C contexts that I've
access to):

ThreadRipper 1950X:   media is detected.
Windows Dev Kit 2023: same media is not detected.

The ThreadRipper is a USB 3.1 context for the USB-C connector,
not a USB 3.2 context, in case that matters.

The WDK23 has its note about avoiding keyboards and mice via
its USB-C connectors, which may indicate something relevant.

Being plugged in already for booting also leads to lack
of detection on the WDK23.

It appears that FreeBSD just does not handle detection on
the USB-C ports on the Windows Dev Kit 2023.

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