Date: Wed, 6 Oct 2004 17:01:58 +0200
From: Jens Axboe <axboe@suse.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Christoph Hellwig <hch@infradead.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Subject: Re: [PATCH] ide-dma blacklist behaviour broken
Message-ID: <20041006150157.GN3638@suse.de>
References: <20041005142001.GR2433@suse.de> <20041005163730.A19554@infradead.org> <20041005154628.GG19971@suse.de> <1097016410.23923.8.camel@localhost.localdomain> <20041006054532.GA13631@suse.de> <1097069227.29255.2.camel@localhost.localdomain> <20041006144152.GK3638@suse.de> <1097071095.29251.7.camel@localhost.localdomain>
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On Wed, Oct 06 2004, Alan Cox wrote:
> On Mer, 2004-10-06 at 15:41, Jens Axboe wrote:
> > Ah, I think you are misreading it. It wasn't the DMA'ing of the atapi
> > cdb, that was always pio'ed to the drive. But DMA for the command itself
> > was turned on before the cdb had been transferred.
> 
> Yep. I may have the detail wrong, its a long time ago. That fixed
> several CD's that were on the blacklist and most of the others may well
> never have been tested.

Yeah, it was a very nasty bug. So do you suggest we try and scrap the
atapi drives from the blacklist?

-- 
Jens Axboe

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