From owner-freebsd-hackers@FreeBSD.ORG Wed Oct 13 13:52:10 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8BDFC16A4CE for ; Wed, 13 Oct 2004 13:52:10 +0000 (GMT) Received: from spider.deepcore.dk (cpe.atm2-0-53484.0x50a6c9a6.abnxx9.customer.tele.dk [80.166.201.166]) by mx1.FreeBSD.org (Postfix) with ESMTP id DCC7143D45 for ; Wed, 13 Oct 2004 13:52:09 +0000 (GMT) (envelope-from sos@DeepCore.dk) Received: from [194.192.25.143] (laptop.deepcore.dk [194.192.25.143]) by spider.deepcore.dk (8.12.11/8.12.10) with ESMTP id i9DDq5S1031295; Wed, 13 Oct 2004 15:52:07 +0200 (CEST) (envelope-from sos@DeepCore.dk) Message-ID: <416D32F5.1090401@DeepCore.dk> Date: Wed, 13 Oct 2004 15:51:49 +0200 From: =?ISO-8859-1?Q?S=F8ren_Schmidt?= User-Agent: Mozilla Thunderbird 0.7.2 (X11/20040802) X-Accept-Language: en-us, en MIME-Version: 1.0 To: miha@ghuug.org References: <200410081937.15068.miha@ghuug.org> <200410091701.01987.miha@ghuug.org> <200410102330.26228.miha@ghuug.org> <200410131303.35695.miha@ghuug.org> In-Reply-To: <200410131303.35695.miha@ghuug.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable X-mail-scanned: by DeepCore Virus & Spam killer v1.4 cc: freebsd-hackers@freebsd.org Subject: Re: ad0: FAILURE - WRITE_DMA X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Oct 2004 13:52:10 -0000 Mikhail P. wrote: > On Sunday 10 October 2004 23:30, Mikhail P. wrote: >=20 >>On Saturday 09 October 2004 17:01, Mikhail P. wrote: >> >>>I also got another message off-list, where author suggested to play wi= th >>>UDMA values. I switched from UDMA100 to UDMA66. System's uptime is 12 >>>hours, and no timeouts so far.. but I'm quite sure they will get back = in >>>few days. >> >>1.5 days of uptime, running in UDMA66 changes nothing. Still getting >=20 >=20 > Well, now those timeouts popped up on 5.3-BETA7 system with 4 IDE drive= s..=20 > They start appearing with high disk activity. > System had FreeBSD-4.7 prior to that, and has been rock solid for almos= t a=20 > year. Drives have no problems, that's for sure (4.7 did not show up any= =20 > timeouts, with uptime for months).. >=20 > I don't know what to think - is ATA driver horribly broken in 5.x? Well, thats not up to me to judge I guess, but have you tried to change=20 the tripping point for using 48Bit addressing as I suggested earlier ? I cant reproduce this problem with any of the shelfmeters of ATA gear I=20 have here, so your help is needed or it will stay horribly broken :) --=20 -S=F8ren