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From: Christer Solskogen <christer.solskogen@gmail.com>
Date: Tue, 13 Sep 2011 14:46:52 +0200
Message-ID: <CAMVU60YQC4+NTRYcX=VnOh5JStY9pgoj0J+N95BvMVVb1rcLNw@mail.gmail.com>
To: Poul-Henning Kamp <phk@phk.freebsd.dk>
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Cc: current@freebsd.org
Subject: Re: Booting from USB-stick == boot -a ?
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On Tue, Sep 13, 2011 at 2:02 PM, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote:
>
> I'm booting 8-stable from a USB stick, and I invariably end up in
> the "askroot" prompt.
>
> It looks like the CAM subsystem doesn't participate in the
> root-mount-interlock scheme ?
>
> I would have expected that to be fixed ages ago, am I missing
> something here ?
>

The pr is still open, I think.
A workaround is to put the following in /boot/loader.conf:
kern.cam.boot_delay=10000

(I only found usb/145184, but I think there are more of them
describing the same problem)

-- 
chs,