From owner-freebsd-stable@FreeBSD.ORG Sun Jul 13 16:40:33 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C0AAD1065670 for ; Sun, 13 Jul 2008 16:40:33 +0000 (UTC) (envelope-from jdc@parodius.com) Received: from mx01.sc1.parodius.com (mx01.sc1.parodius.com [72.20.106.3]) by mx1.freebsd.org (Postfix) with ESMTP id ABAEA8FC16 for ; Sun, 13 Jul 2008 16:40:33 +0000 (UTC) (envelope-from jdc@parodius.com) Received: by mx01.sc1.parodius.com (Postfix, from userid 1000) id 728561CC096; Sun, 13 Jul 2008 09:40:33 -0700 (PDT) Date: Sun, 13 Jul 2008 09:40:33 -0700 From: Jeremy Chadwick To: Dominic Fandrey Message-ID: <20080713164033.GA97147@eos.sc1.parodius.com> References: <487A18E8.6010809@bsdforen.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <487A18E8.6010809@bsdforen.de> User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-stable@freebsd.org Subject: Re: dvd dma problems X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Jul 2008 16:40:33 -0000 On Sun, Jul 13, 2008 at 05:02:00PM +0200, Dominic Fandrey wrote: > I have a couple of DVD drives (one drive, one burner) that used to play DVDs > quite fine from 5.3 to somewhere in the 6.x branch. Nowadays I have to send > them to PIO4 to play DVDs, because they'll just throw DMA not aligned errors > around in UDMA33 or WDMA2 mode. > > Should someone be interested in this I'm willing to supply all necessary > information, such as the exact drives, firmware versions, kernel traces... > whatever comes to your mind. I'm also willing to test patches. Is the problem you're seeing identical to this? http://lists.freebsd.org/pipermail/freebsd-hackers/2008-July/025297.html -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |