From owner-freebsd-questions@FreeBSD.ORG Thu Apr 13 07:28:20 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8442E16A410 for ; Thu, 13 Apr 2006 07:28:20 +0000 (UTC) (envelope-from daeg@houston.rr.com) Received: from ms-smtp-05.texas.rr.com (ms-smtp-05.texas.rr.com [24.93.47.44]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2643D43D45 for ; Thu, 13 Apr 2006 07:28:19 +0000 (GMT) (envelope-from daeg@houston.rr.com) Received: from cpe-24-167-65-111.houston.res.rr.com (cpe-24-167-65-111.houston.res.rr.com [24.167.65.111]) by ms-smtp-05.texas.rr.com (8.13.4/8.13.4) with ESMTP id k3D7SI1X023098; Thu, 13 Apr 2006 02:28:18 -0500 (CDT) From: David J Brooks Organization: KC5WNK To: freebsd-questions@freebsd.org Date: Thu, 13 Apr 2006 02:28:09 -0500 User-Agent: KMail/1.9.1 References: In-Reply-To: X-Face: "\j?x](l|]4p?-1Bf@!wN<&p=$.}^k-HgL}cJKbQZ3r#Ar]\%U(#6}'?<3s7%(%(=?utf-8?q?gxJxxc=0A=09R=09nSNPNr*/=5E=7EStawWU9KDJ-CT0k=24f=23?=@t2^K&BS_f|?ZV/.7Q MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200604130228.10172.daeg@houston.rr.com> X-Virus-Scanned: Symantec AntiVirus Scan Engine Cc: Perttu Laine Subject: Re: DMA TIMEOUT X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Apr 2006 07:28:20 -0000 On Thursday 13 April 2006 01:58, Perttu Laine wrote: > I have problem with ATA drive having DMA TIMEOUTs. > It might work day or two fine with DMA mode on but then system halts on > those dma timeout problems. > > hardware is: > atapci0@pci2:5:0: class=0x018085 card=0x4d68105a chip=0x4d69105a > rev=0x02 hdr=0x00 > vendor = 'Promise Technology Inc' > device = 'PDC20269 Ultra133 TX2 EIDE Controller' > class = mass storage > > and PDC20269 is on supported list (5.4-RELEASE). > > and has one 160GB drive in it. When I first got this problem I tried change > cable, changed drive to another similar one and moved drive to different > place on card. No help. Now it has been running on PIO mode about a year > without any problems at all. > > So I wonder if there actually is some problem in ata drivers and is there > maybe any fixes on those drivers in new releases? So would upgrade to 5.5 > or 6.1 help on this? upgrade from 5.3 to 5.4 didn't help... > > I can actually run it on PIO-mode but sometimes DMA could give little more > speed so if you would be cool if I can get it work with DMA mode on. I had a similar situation under 6.0. My secondary drive would throw DMA read errors at bootup, adding several minutes to the boot process, so I ran it in PIO mode. The upgrade to 6.1 solved it, both drives work fine as DMA now. David -- Sure God created the world in only six days, but He didn't have an established user-base.