From owner-freebsd-stable@FreeBSD.ORG Wed Feb 4 14:10:13 2009 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 77FD710656FA for ; Wed, 4 Feb 2009 14:10:13 +0000 (UTC) (envelope-from amarat@ksu.ru) Received: from mx.kzn.ru (mx.kzn.ru [194.85.243.39]) by mx1.freebsd.org (Postfix) with ESMTP id E72318FC17 for ; Wed, 4 Feb 2009 14:10:12 +0000 (UTC) (envelope-from amarat@ksu.ru) X-IronPort-AV: E=Sophos;i="4.37,379,1231102800"; d="scan'208";a="1526296" Received: from mail.ksu.ru (HELO ruby.ksu.ru) ([193.232.252.56]) by iout.kzn.ru with ESMTP; 04 Feb 2009 17:10:09 +0300 X-Pass-Through: Kazan State University Network Received: from zealot.ksu.ru ([194.85.245.161]) by ksu.ru (8.13.4/8.13.4) with ESMTP id n14E7BIL017621; Wed, 4 Feb 2009 14:07:11 GMT Received: from zealot.ksu.ru (localhost.lnet [127.0.0.1]) by zealot.ksu.ru (8.14.3/8.14.3) with ESMTP id n14E9H8E051953; Wed, 4 Feb 2009 17:09:17 +0300 (MSK) (envelope-from amarat@ksu.ru) Message-ID: <4989A18D.9020804@ksu.ru> Date: Wed, 04 Feb 2009 17:09:17 +0300 From: "Marat N.Afanasyev" User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.8.1.19) Gecko/20090124 SeaMonkey/1.1.14 MIME-Version: 1.0 To: "Marat N.Afanasyev" References: <49853547.2060105@ksu.ru> In-Reply-To: <49853547.2060105@ksu.ru> Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: problem with acd udma mode 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: Wed, 04 Feb 2009 14:10:14 -0000 Marat N.Afanasyev wrote: > i cannot read or write any disk inserted in my > > acd0 > > when this device in udma mode. kernel endlessly repeat that > > acd0: setting up DMA failed > > and I can access my data on dvd or cd only if I set > > atacontrol mode acd0 pio4 > > Does anybody have such a problem too? is there any ways to bring this > device into udma mode again? > > dmesg: > ... > atapci1: port > 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 20.1 on pci0 > ata0: on atapci1 > ata0: [ITHREAD] > ... > acd0: DVDR at ata0-master UDMA66 > ... > > uname -a: > FreeBSD zealot.ksu.ru 7.1-STABLE FreeBSD 7.1-STABLE #1: Tue Jan 20 > 05:47:24 MSK 2009 root@zealot.ksu.ru:/usr/obj/usr/src/sys/ZEALOT amd64 > > grep -A 1 DMA /var/log/messages: > Jan 27 22:12:19 zealot kernel: acd0: setting up DMA failed > Jan 27 22:12:30 zealot last message repeated 3623 times > -- > Jan 27 22:12:30 zealot kernel: acd0: setting up DMA failed > Jan 27 22:12:33 zealot last message repeated 919 times > -- > Jan 27 22:12:33 zealot kernel: acd0: setting up DMA failed > Jan 27 22:12:45 zealot last message repeated 4021 times > -- > Jan 27 22:12:45 zealot kernel: acd0: setting up DMA failed > Jan 27 22:13:05 zealot last message repeated 6571 times > -- > Jan 31 21:41:48 zealot kernel: acd0: setting up DMA failed > Jan 31 21:42:10 zealot last message repeated 7531 times > -- > Feb 1 08:24:59 zealot kernel: acd0: setting up DMA failed > Feb 1 08:25:09 zealot last message repeated 10 times > I've found a workaround: replace /sys/dev/ata/* with files from RELENG_7_1 DMA modes work again -- SY, Marat