From owner-freebsd-scsi Fri Jul 27 6:50:27 2001 Delivered-To: freebsd-scsi@freebsd.org Received: from cybernetics.com (cyborg.cybernetics.com [206.246.200.18]) by hub.freebsd.org (Postfix) with ESMTP id E6A1C37B405 for ; Fri, 27 Jul 2001 06:50:24 -0700 (PDT) (envelope-from martin@cybernetics.com) Received: by cyborg.cybernetics.com id <119049>; Fri, 27 Jul 2001 09:50:20 -0400 Message-Id: <01Jul27.095020edt.119049@cyborg.cybernetics.com> X-Sender: martin@cybernetics.com X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.3 (32) Date: Fri, 27 Jul 2001 09:50:18 -0400 To: freebsd-scsi@FreeBSD.ORG From: Martin Aherron Subject: Re: Suspicious SCSI or kernel buffer Problem. In-Reply-To: <200107270646.IAA22373@dave.hrz.uni-bielefeld.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org At 08:46 AM 7/27/01 +0200, you wrote: >-------- > >Hi experts, > >I'm using freebsd sincs years, and have never seen such a suspicious >problem, detail see below: > >Any ideas, it seems it's an board induced problem ..... > >Probloem: > > I can access the tape (also a CD-RW Writer) on the SCSI bus and write > data (tar) without any errors or kernel messages to and from the tape. > When I read the data back I get random changed data in the files! > Repeating the procedure gives differences in different files at > different positions. The Problem occured first when changing to the > new ASUS board. With a P2B before all worked like a charm. > You might want to start by testing the basic board with Memtest86 - A Stand-alone Memory Diagnostic http://www.teresaudio.com/memtest86/ Runs from bootable disk and absolutely won't touch your hard drives. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message