https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262882

--- Comment #128 from Mark Millard <marklmi26-f...@yahoo.com> ---
(In reply to Mark Millard from comment #127)

As I understand, some systems have more of
Thunderbolt 4 handled by the UEFI/ACPI and
less by the Operating System. Others leave
it up to the Operating System.

The ones with UEFI/ACPI handling may at
least work to some extent for drives that
were there to bind to at boot. Live unplug
and re-plug need not work for that context,
including panics possibly being involved.

I've access to a Dell Intel Core Ultra 7
Laptop that is that way. All 4 USB ports
are USB4. (Thunderbolt 4 is a certified
USB4 with the optional parts supported
and passing the certification, as I
understand.)

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