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Date:      Tue, 29 Sep 2009 14:35:07 +0930
From:      "Daniel O'Connor" <doconnor@gsoft.com.au>
To:        Mike Tancsa <mike@sentex.net>
Cc:        freebsd-stable@freebsd.org, Robert Noland <rnoland@freebsd.org>
Subject:   Re: Excessivly cheap USB device issue
Message-ID:  <200909291435.08797.doconnor@gsoft.com.au>
In-Reply-To: <200909280052.n8S0qCpL032199@lava.sentex.ca>
References:  <200909280009.28658.doconnor@gsoft.com.au> <1254062842.2048.1467.camel@balrog.2hip.net> <200909280052.n8S0qCpL032199@lava.sentex.ca>

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On Mon, 28 Sep 2009, Mike Tancsa wrote:
> >I also have a similar device, which I've been messing with a bit the
> >last couple of days.  In your case, it isn't seeing the media, just
> > the "drive".  I've had to try various combinations of unplugging
> > the adapter from usb, inserting the media then plugging it back in.
> >  It does seem to work fairly reliably if you boot with the media
> > already inserted, but it doesn't seem to detect media change at
> > all.
>
> I get around it (on my cheap reader) by  always doing a
> cat /dev/null > /dev/da1
> whever I change or insert new media into the reader
>
> That seems to work with the gear I have 99% of the time.

Hmm OK, I sort of expected fdisk da1 to fail straightaway though (it=20
takes ~30 seconds to fail for me).

I have unplugged it for now, it interacts annoyingly with SANE because=20
that scans the SCSI bus(es) looking for scanner and each umass takes=20
30+ seconds to fail.

=2D-=20
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C

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