From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: [BUG] Kernel disables DMA on RICOH CD-R/RW Date: Wed, 17 Nov 2004 23:20:29 +0100 Message-ID: <58cb370e041117142010059323@mail.gmail.com> References: <20041116124656.82075.qmail@web52601.mail.yahoo.com> <1100706838.420.47.camel@localhost.localdomain> <20041117210657.GP26240@suse.de> <200411180916.27342.sriharivijayaraghavan@yahoo.com.au> Reply-To: Bartlomiej Zolnierkiewicz Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <200411180916.27342.sriharivijayaraghavan@yahoo.com.au> Sender: linux-kernel-owner@vger.kernel.org To: Srihari Vijayaraghavan Cc: Jens Axboe , Alan Cox , Linux Kernel Mailing List , linux-ide@vger.kernel.org List-Id: linux-ide@vger.kernel.org On Thu, 18 Nov 2004 09:16:27 +1100, Srihari Vijayaraghavan wrote: > On Thu, 18 Nov 2004 08:06 am, Jens Axboe wrote: > > > > On Wed, Nov 17 2004, Alan Cox wrote: > > > On Maw, 2004-11-16 at 13:01, Bartlomiej Zolnierkiewicz wrote: > > > > Previously VIA IDE driver ignored DMA blacklists completely > > > > (which was of course wrong), it was fixed. > > > > > > > > Probably this drive should be removed from the blacklist. > > > > Does anybody remember why was it added there? > > > > > > As I said before almost all of our blacklist is junk from when the IDE > > > ATAPI DMA bug wasn't fixed. > > > > I sure don't remember why, so sounds plausible. > > Could you please accept this patch? (against vanilla 2.6.10-rc2) > > I have tested my RICOH CD-R/RW with this patch (on CD Reading/Writing), and it > works just fine with DMA enabled. > > (Unfortunately I do not have any other drive in the DMA disabled list, and > hence I could not test for them.) applied