From owner-freebsd-current@FreeBSD.ORG Sat Jul 31 00:06:26 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 645DA16A4D0 for ; Sat, 31 Jul 2004 00:06:26 +0000 (GMT) Received: from www.cryptography.com (li-22.members.linode.com [64.5.53.22]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2DED843D64 for ; Sat, 31 Jul 2004 00:06:26 +0000 (GMT) (envelope-from nate@root.org) Received: from [10.0.0.34] (adsl-67-127-84-57.dsl.snfc21.pacbell.net [67.127.84.57]) by www.cryptography.com (8.12.8/8.12.8) with ESMTP id i6V062ra014319; Fri, 30 Jul 2004 17:06:03 -0700 Message-ID: <410AE269.4040404@root.org> Date: Fri, 30 Jul 2004 17:06:01 -0700 From: Nate Lawson User-Agent: Mozilla Thunderbird 0.7 (X11/20040702) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Kevin Oberman References: <20040716231556.7D2225D08@ptavv.es.net> In-Reply-To: <20040716231556.7D2225D08@ptavv.es.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: current@freebsd.org cc: sos@deepcore.dk Subject: Re: ATA DVD playback hanging in physrd X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Jul 2004 00:06:26 -0000 Kevin Oberman wrote: >>From: Nate Lawson >>While playing back a DVD on my Thinkpad, it hangs at some point (2-5 >>minutes after beginning playback). The player is hung in "physrd" and >>the drive stops spinning. This hang happens when the drive is in PIO4 >>or DMA mode. >> >>However, starting another process (i.e. cat /dev/acd0) spins up the >>drive and it works (and the other process begins running again). >>What's interesting is that I can quickly trigger this hang by starting >>IO on a completely different channel (i.e. dd if=/dev/ad0 of=/dev/null >>bs=1m). This indicates that it may be a driver issue since the DVD >>drive that hangs is on a different channel and irq than the hard >>drive. >> >>Devices: >>atapci0: port >>0x1860-0x186f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0 >>ata0: at 0x1f0 irq 14 on atapci0 >>ata1: at 0x170 irq 15 on atapci0 >>[...] >>ad0: 19077MB [41344/15/63] at ata0-master UDMA100 >>ata1-master: FAILURE - ATAPI_RESET no interrupt >>acd0: DVDROM at ata1-master PIO4 >> >>The same behavior also happens on my DVD/CDRW drive. >>ata1-slave: FAILURE - ATAPI_IDENTIFY no interrupt >>ata1-slave: FAILURE - ATAPI_IDENTIFY no interrupt >>ata1-master: FAILURE - ATAPI_RESET no interrupt >>acd0: CDRW at ata1-master PIO4 > > I have been seeing the same thing on my ThinkPad for a couple of > weeks. It may have been there for longer as I had not heavily used the > DVD for a while. There have been similar reports from others, but this > is the most exact match to what I have been seeing. Mine is a Toshiba > DVD/CDRW (DW-28E) at ata1-master UDMA33. I just tested and this behavior is the same with today's -current. -Nate