From owner-freebsd-stable@FreeBSD.ORG Tue Feb 15 08:13:09 2005 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 EAD3D16A4CE for ; Tue, 15 Feb 2005 08:13:09 +0000 (GMT) Received: from linda-1.paradise.net.nz (bm-1a.paradise.net.nz [202.0.58.20]) by mx1.FreeBSD.org (Postfix) with ESMTP id 520CC43D1D for ; Tue, 15 Feb 2005 08:13:09 +0000 (GMT) (envelope-from markir@paradise.net.nz) Received: from smtp-1.paradise.net.nz (smtp-1a.paradise.net.nz [202.0.32.194]) by linda-1.paradise.net.nz (Paradise.net.nz) with ESMTP id <0IBY008UX1HUS5@linda-1.paradise.net.nz> for freebsd-stable@freebsd.org; Tue, 15 Feb 2005 21:13:08 +1300 (NZDT) Received: from [192.168.1.11] (218-101-14-48.paradise.net.nz [218.101.14.48]) by smtp-1.paradise.net.nz (Postfix) with ESMTP id 203AD82970; Tue, 15 Feb 2005 21:13:06 +1300 (NZDT) Date: Tue, 15 Feb 2005 21:17:23 +1300 From: Mark Kirkwood In-reply-to: <20050215070722.44055.qmail@web54010.mail.yahoo.com> To: Rob Message-id: <4211B013.9000809@paradise.net.nz> MIME-version: 1.0 Content-type: text/plain; format=flowed; charset=us-ascii Content-transfer-encoding: 7bit X-Accept-Language: en-us, en User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.2) Gecko/20041016 References: <20050215070722.44055.qmail@web54010.mail.yahoo.com> cc: freebsd-stable@freebsd.org Subject: Re: atapci VIA 82C596B UDMA66 controller: problem for 5.X ? 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: Tue, 15 Feb 2005 08:13:10 -0000 Rob wrote: > In this case there's only one harddisk and when I do > # atacontrol mode 0 UDMA66 BIOSPIO > > I get lots of such lines: > > ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying > request) LBA=20185375 > ad0: WARNING - WRITE_DMA UDMA ICRC error (retrying > request) LBA=20185375 > ad0: FAILURE - WRITE_DMA status=51 > error=84 LBA=20185375 I am wondering if building a kernel with the various debugging options turned on might help (see the developers handbook). If you can get a dump or trace then there is a good chance that one of the FreeBSD hackers on this list or -bugs can sort it! > Transfer rates: > outside: 102400 kbytes in 19.370328 sec > = 5286 kbytes/sec > middle: 102400 kbytes in 19.378847 sec > = 5284 kbytes/sec > inside: 102400 kbytes in 19.379687 sec > = 5284 kbytes/sec Pretty low transfer rates, clearly not UDMA66! best wishes Mark