[7878] in linux-scsi channel archive
Re: Devices not supporting read-6....
daemon@ATHENA.MIT.EDU (Jonas Nickel)
Fri Jan 21 20:03:06 2000
Message-Id: <3.0.6.32.20000121103336.00977100@sp.zrz.tu-berlin.de>
Date: Fri, 21 Jan 2000 10:33:36 +0100
To: R.E.Wolff@BitWizard.nl (Rogier Wolff),
linux-kernel@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
From: Jonas Nickel <jonas.nickel@tu-berlin.de>
Cc: phoenix@thesindicate.com
In-Reply-To: <200001202306.AAA22947@cave.bitwizard.nl>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
At 00:06 21.01.00 +0100, Rogier Wolff wrote:
>As far as I know, "read-6" is a very mandatory command. However
>there is a device, the
>
> {"TOSHIBA","DVD-RAM SD-W1101","*", BLIST_GHOST},
>
>which doesn't implement it.
That also applies to the neweer TOSHIBA SD-W1111.
> - Blacklist it as "doesn't support read-6" and implement
> stuff to prevent read-6 if that flag is set?
....
>Is there maybe already something implemented? Anybody the "owner" of
>that piece of code?
Jens Axboe has a patch for it on www.kernel.dk. His current DVD-CD-ROM patch
fixes most of the problem by using something like a flag. According to my
experience it is working pretty well - if you format the whole disk. As soon
as you partition it and try format the partion the whole system becomes
unstable. I have tried to figure what it does then but it will take me a while
to really trace this remaining problem.
Regards,
Jonas
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