[Bug 262882] [13.1-RC5] usb disconnects repeatedly, losing all attached devices on that USB hub

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 03 May 2022 09:42:54 UTC

--- Comment #71 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Hans Petter Selasky from comment #67)

So I tried plugging in the RPi keyboard into a USB 3.1
port and got:

ugen0.9: <vendor 0x05e3 USB2.0 Hub> at usbus0
uhub6 on uhub0
uhub6: <vendor 0x05e3 USB2.0 Hub, class 9/0, rev 2.00/32.98, addr 11> on usbus0
uhub6: MTT enabled
uhub6: 4 ports with 4 removable, self powered
usb_alloc_device: device init 10 failed (USB_ERR_IOERROR, ignored)
ugen0.10: <Unknown > at usbus0 (disconnected)
uhub_reattach_port: could not allocate new device

So: alloc/reattach notices.

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