From owner-freebsd-stable@FreeBSD.ORG Fri Sep 5 06:42:58 2003 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C97E916A4BF for ; Fri, 5 Sep 2003 06:42:58 -0700 (PDT) Received: from jk.homeunix.net (dhcp-19-33.dsl.CSUChico.EDU [132.241.19.33]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8A00143FDD for ; Fri, 5 Sep 2003 06:42:57 -0700 (PDT) (envelope-from warlock@jk.homeunix.net) Received: from pandora.jk.homeunix.net (localhost.jk.homeunix.net [127.0.0.1]) by jk.homeunix.net (8.12.9/8.12.9) with ESMTP id h85DgjhF080792; Fri, 5 Sep 2003 06:42:45 -0700 (PDT) (envelope-from warlock@pandora.jk.homeunix.net) Received: (from warlock@localhost) by pandora.jk.homeunix.net (8.12.9/8.12.9/Submit) id h85DgjPZ080791; Fri, 5 Sep 2003 06:42:45 -0700 (PDT) (envelope-from warlock) Date: Fri, 5 Sep 2003 06:42:45 -0700 From: John Kennedy To: Luoqi Chen Message-ID: <20030905134245.GA80538@pandora.jk.homeunix.net> References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="zhXaljGHf11kAtnf" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i cc: stable@freebsd.org Subject: Re: HEADS UP: ATA bus dma code MFC'd X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Sep 2003 13:42:58 -0000 --zhXaljGHf11kAtnf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Sep 05, 2003 at 12:39:44AM -0700, Luoqi Chen wrote: > If you start to experience problems with ata devices, please > direct your report this way. I'm not *starting* to experience them, I have been for a bit. I infrequently get this kind of error message: /kernel: ad0: WRITE command timeout tag=0 serv=0 - resetting /kernel: ata0: resetting devices .. ad0: DMA limited to UDMA33, non-ATA66 cable or device /kernel: done This has happened on a bunch of 4.8-STABLE/4.9-PRERELEASE kernels: FreeBSD 4.8-STABLE #0: Mon Aug 18 21:20:49 PDT 2003 FreeBSD 4.8-STABLE #1: Sat Aug 23 13:53:24 PDT 2003 FreeBSD 4.9-PRERELEASE #2: Mon Aug 25 17:34:08 PDT 2003 FreeBSD 4.9-PRERELEASE #3: Wed Aug 27 06:49:36 PDT 2003 FreeBSD 4.9-PRERELEASE #4: Sat Aug 30 09:09:03 PDT 2003 FreeBSD 4.9-PRERELEASE #6: Tue Sep 2 21:13:12 PDT 2003 Date of cvsup corresponds to date/time of compile (or pretty close). It didn't happen under the original -RELEASE, but I may not have spent enough time running it to trigger the problem. FreeBSD 4.8-RELEASE #0: Thu Apr 3 10:53:38 GMT 2003 Right now I've forced myself into PIO mode by adding this into my /boot/loader.conf hw.ata.ata_dma="0" Since doing that, I haven't managed to cause the problem to repeat. --zhXaljGHf11kAtnf Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="boot.old" Sep 3 13:15:43 pandora /kernel: Copyright (c) 1992-2003 The FreeBSD Project. Sep 3 13:15:43 pandora /kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 Sep 3 13:15:43 pandora /kernel: The Regents of the University of California. All rights reserved. Sep 3 13:15:43 pandora /kernel: FreeBSD 4.9-PRERELEASE #6: Tue Sep 2 21:13:12 PDT 2003 Sep 3 13:15:43 pandora /kernel: root@pandora.jk.homeunix.net:/usr/src/sys/compile/GENERIC Sep 3 13:15:43 pandora /kernel: Timecounter "i8254" frequency 1193182 Hz Sep 3 13:15:43 pandora /kernel: CPU: AMD-K6(tm) 3D processor (400.91-MHz 586-class CPU) Sep 3 13:15:43 pandora /kernel: Origin = "AuthenticAMD" Id = 0x58c Stepping = 12 Sep 3 13:15:43 pandora /kernel: Features=0x8021bf Sep 3 13:15:43 pandora /kernel: AMD Features=0x80000800 Sep 3 13:15:43 pandora /kernel: real memory = 201310208 (196592K bytes) Sep 3 13:15:43 pandora /kernel: config> en ed0 Sep 3 13:15:43 pandora /kernel: config> po ed0 0x280 Sep 3 13:15:43 pandora /kernel: config> ir ed0 10 Sep 3 13:15:43 pandora /kernel: config> iom ed0 0xd8000 Sep 3 13:15:43 pandora /kernel: config> f ed0 0 Sep 3 13:15:43 pandora /kernel: config> q Sep 3 13:15:43 pandora /kernel: avail memory = 190382080 (185920K bytes) Sep 3 13:15:43 pandora /kernel: Preloaded elf kernel "kernel" at 0xc053d000. Sep 3 13:15:43 pandora /kernel: Preloaded userconfig_script "/boot/kernel.conf" at 0xc053d09c. Sep 3 13:15:43 pandora /kernel: K6-family MTRR support enabled (2 registers) Sep 3 13:15:43 pandora /kernel: md0: Malloc disk Sep 3 13:15:43 pandora /kernel: Using $PIR table, 8 entries at 0xc00f0b40 Sep 3 13:15:43 pandora /kernel: npx0: on motherboard Sep 3 13:15:43 pandora /kernel: npx0: INT 16 interface Sep 3 13:15:43 pandora /kernel: pcib0: on motherboard Sep 3 13:15:43 pandora /kernel: pci0: on pcib0 Sep 3 13:15:43 pandora /kernel: agp0: mem 0xd0000000-0xdfffffff at device 0.0 on pci0 Sep 3 13:15:43 pandora /kernel: pcib1: at device 1.0 on pci0 Sep 3 13:15:43 pandora /kernel: pci1: on pcib1 Sep 3 13:15:43 pandora /kernel: pci1: at 0.0 irq 11 Sep 3 13:15:43 pandora /kernel: ohci0: mem 0xce800000-0xce800fff irq 9 at device 2.0 on pci0 Sep 3 13:15:43 pandora /kernel: usb0: OHCI version 1.0, legacy support Sep 3 13:15:43 pandora /kernel: usb0: on ohci0 Sep 3 13:15:43 pandora /kernel: usb0: USB revision 1.0 Sep 3 13:15:43 pandora /kernel: uhub0: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1 Sep 3 13:15:43 pandora /kernel: uhub0: 2 ports with 2 removable, self powered Sep 3 13:15:43 pandora /kernel: uhub1: Genesys Logic USB Hub, class 9/0, rev 1.01/0.12, addr 2 Sep 3 13:15:43 pandora /kernel: uhub1: 4 ports with 4 removable, self powered Sep 3 13:15:43 pandora /kernel: chip0: at device 3.0 on pci0 Sep 3 13:15:43 pandora /kernel: isab0: at device 7.0 on pci0 Sep 3 13:15:43 pandora /kernel: isa0: on isab0 Sep 3 13:15:43 pandora /kernel: dc0: port 0xd800-0xd8ff mem 0xce000000-0xce0000ff irq 3 at device 11.0 on pci0 Sep 3 13:15:43 pandora /kernel: dc0: Ethernet address: 00:c0:f0:6c:73:e5 Sep 3 13:15:43 pandora /kernel: miibus0: on dc0 Sep 3 13:15:43 pandora /kernel: dcphy0: on miibus0 Sep 3 13:15:43 pandora /kernel: dcphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto Sep 3 13:15:43 pandora /kernel: atapci0: port 0xd400-0xd40f irq 0 at device 15.0 on pci0 Sep 3 13:15:43 pandora /kernel: ata0: at 0x1f0 irq 14 on atapci0 Sep 3 13:15:43 pandora /kernel: ata1: at 0x170 irq 15 on atapci0 Sep 3 13:15:43 pandora /kernel: orm0: