From owner-freebsd-smp Tue Aug 22 12:37:29 2000 Delivered-To: freebsd-smp@freebsd.org Received: from mass.osd.bsdi.com (adsl-63-202-177-115.dsl.snfc21.pacbell.net [63.202.177.115]) by hub.freebsd.org (Postfix) with ESMTP id BDC3D37B422 for ; Tue, 22 Aug 2000 12:37:18 -0700 (PDT) Received: from mass.osd.bsdi.com (localhost [127.0.0.1]) by mass.osd.bsdi.com (8.9.3/8.9.3) with ESMTP id MAA21476; Tue, 22 Aug 2000 12:50:19 -0700 (PDT) (envelope-from msmith@mass.osd.bsdi.com) Message-Id: <200008221950.MAA21476@mass.osd.bsdi.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: Charles Randall Cc: freebsd-smp@freebsd.org Subject: Re: 4.0-R panic on Dell PowerEdge 2450 In-reply-to: Your message of "Tue, 22 Aug 2000 13:15:42 MDT." <5FE9B713CCCDD311A03400508B8B301358781F@bdr-xcln.is.matchlogic.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 22 Aug 2000 12:50:19 -0700 From: Mike Smith Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > From: Mike Smith [mailto:msmith@freebsd.org] > >> The disk controller is, > >> > >> ahc0: port 0xdc00-0xdcff mem > >> da0: Fixed Direct Access SCSI-3 device > >> da1: Fixed Direct Access SCSI-3 device > > > >Not sure if you've had this mentioned yet or not, but there are issues > >between this SCSI driver and these disks; you need to get a firmware > >update from Seagate (or disable write caching). > > Can you elaborate? Is this a FreeBSD-specific problem? Does Dell know this? It's a problem specific to interaction between this Seagate firmware and the FreeBSD Adaptec driver, however it is a Seagate bug. I believe that Dell know about it; Seagate certainly do. > >However, your real problem is that 4.0R does not correctly support the > >APIC configuration in your system, and you will need to update to 4.1. > > Confirmed. 4.1-R survived a 4-day I/O thrashing. Good to hear, thanks for the confirmation! -- ... every activity meets with opposition, everyone who acts has his rivals and unfortunately opponents also. But not because people want to be opponents, rather because the tasks and relationships force people to take different points of view. [Dr. Fritz Todt] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message