[Bug 270805] loader.efi: crashes with USB device attached

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270805

--- Comment #16 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Robert Clausecker from comment #13)

Looking again at the log for the successful boot that I was
referencing, it is not as I said (from grep for usb/uhub
references) and what varies between your log and mine is
something else: Mine was a USB3.2 device on the USB3.2
hub but yours was a USB3.0 device on the USB3.2 hub.

My backtrace from umass0 to Generic XHCI root HUB:

Dec 31 16:00:24 CA72_4c8G_ZFS kernel: uhub0 on usbus0
Dec 31 16:00:24 CA72_4c8G_ZFS kernel: uhub0: <Generic XHCI root HUB, class 9/0,
rev 3.00/1.00, addr 1> on usbus0
Dec 31 16:00:24 CA72_4c8G_ZFS kernel: uhub0: 6 ports with 6 removable, self
powered
Dec 31 16:00:24 CA72_4c8G_ZFS kernel: uhub2 on uhub0
Dec 31 16:00:24 CA72_4c8G_ZFS kernel: uhub2: <GenesysLogic USB3.2 Hub, class
9/0, rev 3.20/61.24, addr 4> on usbus0
Dec 31 16:00:24 CA72_4c8G_ZFS kernel: uhub2: 4 ports with 3 removable, self
powered
Dec 31 16:00:24 CA72_4c8G_ZFS kernel: umass0 on uhub2
Dec 31 16:00:24 CA72_4c8G_ZFS kernel: umass0: <Samsung PSSD T7 Touch, class
0/0, rev 3.20/1.00, addr 6> on usbus0
(Note that last "rev 3.20".)

Your backtrace from umass0 to Generic XHCI root HUB:

uhub0 on usbus0
uhub0: <Generic XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
usbus0: 5.0Gbps Super Speed USB v3.0
uhub0: 6 ports with 6 removable, self powered
uhub2: <GenesysLogic USB3.2 Hub, class 9/0, rev 3.20/61.24, addr 3> on usbus0
uhub2: 4 ports with 3 removable, self powered
uhub2 on uhub0
uhub2: <GenesysLogic USB3.2 Hub, class 9/0, rev 3.20/61.24, addr 3> on usbus0
umass0 on uhub2
umass0: <ASMedia AS2115, class 0/0, rev 3.00/0.01, addr 5> on usbus0
(Note that last "rev 3.00".)

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