From owner-freebsd-current@FreeBSD.ORG Fri Jul 16 23:15:57 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 68A8816A4CE for ; Fri, 16 Jul 2004 23:15:57 +0000 (GMT) Received: from postal1.es.net (postal1.es.net [198.128.3.205]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5C5F243D46 for ; Fri, 16 Jul 2004 23:15:57 +0000 (GMT) (envelope-from oberman@es.net) Received: from ptavv.es.net ([198.128.4.29]) by postal1.es.net (Postal Node 1) with ESMTP (SSL) id IBA74465; Fri, 16 Jul 2004 16:15:56 -0700 Received: from ptavv (localhost [127.0.0.1]) by ptavv.es.net (Tachyon Server) with ESMTP id 7D2225D08; Fri, 16 Jul 2004 16:15:56 -0700 (PDT) To: Nate Lawson In-reply-to: Your message of "Fri, 16 Jul 2004 15:50:03 PDT." <40F85B9B.7030509@root.org> Date: Fri, 16 Jul 2004 16:15:56 -0700 From: "Kevin Oberman" Message-Id: <20040716231556.7D2225D08@ptavv.es.net> cc: current@freebsd.org 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: Fri, 16 Jul 2004 23:15:57 -0000 > Date: Fri, 16 Jul 2004 15:50:03 -0700 > From: Nate Lawson > Sender: owner-freebsd-current@freebsd.org > > 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. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634