Re: [PATCH] ide-dma blacklist behaviour broken

From: Jens Axboe
Date: Wed Oct 06 2004 - 10:06:51 EST


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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