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Date:      Thu, 19 Dec 2002 12:49:16 -0500 (EST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Bernd Walter <ticso@cicely8.cicely.de>
Cc:        "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:  <XFMail.20021219124916.jhb@FreeBSD.org>
In-Reply-To: <20021219172844.GJ29286@cicely8.cicely.de>

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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.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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