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Date:      Thu, 10 Sep 2009 10:50:20 -0700
From:      Randi Harper <randi@freebsd.org>
To:        James Butler <sweetnavelorange@gmail.com>
Cc:        FreeBSD CURRENT Mailing List <freebsd-current@freebsd.org>, Hans Petter Selasky <hselasky@c2i.net>
Subject:   Re: Fwd: Can't boot 8.0-BETA4 from USB stick
Message-ID:  <e277d6c80909101050v4c1b3774q357e61dc817eb4fe@mail.gmail.com>
In-Reply-To: <f0dd9eb90909092137o25d00f3l8bfba581a9d1aab8@mail.gmail.com>
References:  <f0dd9eb90909080402m27558850g6aaa2a5e4c477758@mail.gmail.com> <f0dd9eb90909081444pa5cdbf2jd9ee8573c3d4594@mail.gmail.com> <f0dd9eb90909081445i4e286e6apb3ad84691c0ef2d0@mail.gmail.com> <200909091631.01446.hselasky@c2i.net> <f0dd9eb90909092137o25d00f3l8bfba581a9d1aab8@mail.gmail.com>

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On Wed, Sep 9, 2009 at 9:37 PM, James Butler <sweetnavelorange@gmail.com>wrote:

> 2009/9/10 Hans Petter Selasky <hselasky@c2i.net>:
> > On Tuesday 08 September 2009 23:45:00 James Butler wrote:
> >> I have tried on all the ports at the back of the box, but I just
> >> remembered there's another at the front which I will try this evening.
> >> What do you mean by "dummy USB device"? Just having something else
> >> plugged in at boot? I will also try another USB drive tonight.
> >
> > Yes.
> >
>
> OK, I tried all the available ports and various combinations of flash
> drives, all with the same result. I sometimes get this message from
> one drive:
>
> probe0:umass-sim0:0:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
> probe0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
> probe0:umass-sim0:0:0:0): SCS Status: Check Condition
> probe0:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
> probe0:umass-sim0:0:0:0): Not ready to ready change, medium may have
> changed
> probe0:umass-sim0:0:0:0): Retrying Command (per Sense Data)
>
> Is there anything else worth trying?
>
> Thanks,
> James
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It's worth noting that some USB flash drives (particularly old or
low-quality ones) take longer to detect than others, as was found with
sysinstall/USB installs. I don't really know of a way around this other than
using a different USB flash drive.

-- randi



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