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Date:      Thu, 19 Dec 2002 19:01:45 +0100
From:      Bernd Walter <ticso@cicely8.cicely.de>
To:        John Baldwin <jhb@FreeBSD.org>
Cc:        Bernd Walter <ticso@cicely8.cicely.de>, "Brian F. Feldman" <green@FreeBSD.org>, Josef Karthauser <joe@FreeBSD.org>, freebsd-current@FreeBSD.org, Matthew Dillon <dillon@apollo.backplane.com>
Subject:   Re: UMASS USB bug? (getting the Sony disk-on-key device working)
Message-ID:  <20021219180144.GK29286@cicely8.cicely.de>
In-Reply-To: <XFMail.20021219124916.jhb@FreeBSD.org>
References:  <20021219172844.GJ29286@cicely8.cicely.de> <XFMail.20021219124916.jhb@FreeBSD.org>

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On Thu, Dec 19, 2002 at 12:49:16PM -0500, John Baldwin wrote:
> 
> On 19-Dec-2002 Bernd Walter wrote:
> > On Thu, Dec 19, 2002 at 12:24:09PM -0500, John Baldwin wrote:
> >> On 19-Dec-2002 Matthew Dillon wrote:
> >> >     It took a hellofalong time pulling my hair out trying to figure out
> >> >     why the Sony disk-on-key I just bought didn't work.
> >> > 
> >> >     First I added a Quirk entry for the standard 6-byte problem, but it
> >> >     didn't solve the problem.
> >> 
> >> You don't need the 6-byte quirk entries anymore.  The umass(4) driver
> >> automatically handles 6-byte commands (converting them to 10-byte commands)
> >> and has done so for a while now.  You should at least try removing the
> >> 6 byte quirk for now.
> > 
> > I tought this too and it's true for many devices, but the umass device
> > gets an invalid command first and the umass driver is required to
> > handle that failure in a special way for some devices.
> 
> Eh?  For ATAPI and UFM devices we never send a 6 byte command to the
> device that can fail, only 10 byte commands.

I believed this was a SCSI over bulk only device.

-- 
B.Walter              COSMO-Project         http://www.cosmo-project.de
ticso@cicely.de         Usergroup           info@cosmo-project.de


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