From owner-freebsd-stable Mon Apr 29 18: 2:56 2002 Delivered-To: freebsd-stable@freebsd.org Received: from h1.generalresources.com (h1.generalresources.com [211.21.66.250]) by hub.freebsd.org (Postfix) with ESMTP id 07A2C37B43E for ; Mon, 29 Apr 2002 18:01:28 -0700 (PDT) Received: from server.tucheng.generalresources.com (int-1-253.generalresources.com [192.168.1.253]) by h1.generalresources.com (8.11.6/8.11.6) with ESMTP id g3U11Ld88839; Tue, 30 Apr 2002 09:01:21 +0800 (CST) (envelope-from hsw@acm.org) Received: from x4.tucheng.generalresources.com (x4.tucheng.generalresources.com [192.168.2.4]) by server.tucheng.generalresources.com (8.11.6/8.11.6) with ESMTP id g3U11LN09093; Tue, 30 Apr 2002 09:01:21 +0800 (CST) (envelope-from hsw@acm.org) Received: from x4.tucheng.generalresources.com (localhost [127.0.0.1]) by x4.tucheng.generalresources.com (8.12.2/8.12.2) with ESMTP id g3U11Lg6018433; Tue, 30 Apr 2002 09:01:21 +0800 (CST) (envelope-from hsw@acm.org) Message-Id: <200204300101.g3U11Lg6018433@x4.tucheng.generalresources.com> To: Chris Pockele Cc: stable@FreeBSD.ORG From: Christopher Hall Reply-To: Christopher Hall Subject: Re: ata (cd) troubles In-Reply-To: Message from Chris Pockele of "Mon, 29 Apr 2002 23:58:53 +0200." <20020429235853.A363@freedaemon.home.lan> X-Operating-System: FreeBSD X-Mailer: Exmh Date: Tue, 30 Apr 2002 09:01:21 +0800 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message <20020429235853.A363@freedaemon.home.lan>, Chris Pockele writes: >Hi, >I'm running FreeBSD 4-STABLE and since a week or so, I've been experiencing >troubles using atapi cd drives. >The system has a Chaintech motherboard with Intel 82440LX chipset. >The primary IDE channel has a Western Digital 30 GB hard disk drive connected >to it, on the secondary channel are a CD-writer (master) and reader (slave). > >When reading a file (using dd, cp, another application) from a CD, I get >a few messages from the kernel: > >acd1: READ_BIG command timeout - resetting >ata1: resetting devices .. There are several threads that show similar problems with acd, and there is a PR i386/37420: Copying large files from an IDE CD-ROM to a harddrive causes a system lock-up. Some have had success by using atacontrol to change drive to dma mode. This only reduces the frequency of the problem in my case. --- Christopher Hall Fax: +886-2-2795-3030 Christopher Hall Phone: +886-2-2795-5799 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message