From owner-freebsd-usb@FreeBSD.ORG  Wed May 27 12:29:22 2009
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Date: Wed, 27 May 2009 15:29:19 +0300
From: Andriy Gapon <avg@icyb.net.ua>
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Subject: usb keyboard detected after mountroot
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I think it's time to remind of this issue again.
I have no clue why it happens but on my system I consistently see that my USB
keyboard is detected after mountroot. This worries me because this is a "legacy
free" system, i.e. it has no PS/2 ports. So if something unexpected happens I
won't be able to enter different boot device should kernel boot ever stop at
mountroot prompt.

Some details.
With stable/7 I see that my USB mouse is consistently detected way before
mountroot. But the USB keyboard most often is detected after mountroot. But
sometimes, very infrequently, it is detected at the same time as the mouse.

With recent current (and HPS USB, of course) I see that both of the USB devices
are consistently detected after mountroot:
...
Trying to mount root from zfs:pond/ROOT/original
ct_to_ts([2009-05-26 18:17:07]) = 1243361827.000000000
start_init: trying /sbin/init
ugen2.2: <Logitech> at usbus2
ugen6.2: <CHESEN> at usbus6
ukbd0: <CHESEN USB Keyboard, class 0/0, rev 1.10/1.10, addr 2> on usbus6
kbd2 at ukbd0
kbd2: ukbd0, generic (0), config:0x0, flags:0x3d0000
ums0: <Logitech USB-PS/2 Optical Mouse, class 0/0, rev 2.00/24.30, addr 2> on usbus2
ums0: 8 buttons and [XYZ] coordinates ID=0
uhid0: <CHESEN USB Keyboard, class 0/0, rev 1.10/1.10, addr 2> on usbus6


-- 
Andriy Gapon