From owner-freebsd-scsi Tue Aug 7 21:12:33 2001 Delivered-To: freebsd-scsi@freebsd.org Received: from panzer.kdm.org (panzer.kdm.org [216.160.178.169]) by hub.freebsd.org (Postfix) with ESMTP id EE44D37B403 for ; Tue, 7 Aug 2001 21:12:29 -0700 (PDT) (envelope-from ken@panzer.kdm.org) Received: (from ken@localhost) by panzer.kdm.org (8.9.3/8.9.1) id WAA50969; Tue, 7 Aug 2001 22:12:21 -0600 (MDT) (envelope-from ken) Date: Tue, 7 Aug 2001 22:12:21 -0600 From: "Kenneth D. Merry" To: "Tan Tek Jau @ Kutu" Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: [Problem] SCSI Parity Error Message-ID: <20010807221221.A50944@panzer.kdm.org> References: <001501c11e3e$ed741d20$07db728c@Asgard> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: <001501c11e3e$ed741d20$07db728c@Asgard>; from ttj@dns.kutu.net on Mon, Aug 06, 2001 at 02:07:25PM +0800 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 On Mon, Aug 06, 2001 at 14:07:25 +0800, Tan Tek Jau @ Kutu wrote: > Hi, > My server encounter a big problem (seems like Adaptec SCSI parity problem) > in this morning :- > (da0:ahc0:0:0:0): parity error during Data-In phase. > SEQADDR == 0x5d > SCSIRATE == 0x93 > (da0:ahc0:0:0:0): parity error during Data-In phase. > SEQADDR == 0x5d > SCSIRATE == 0x93 > (da0:ahc0:0:0:0): parity error during Data-In phase. > SEQADDR == 0x5e > SCSIRATE == 0x93 > (da0:ahc0:0:0:0): parity error during Data-In phase. > SEQADDR == 0x5d > SCSIRATE == 0x93 > ------------------------------------- > Aug 6 08:03:36 dns /kernel: (da0:ahc0:0:0:0): WRITE(10). CDB: 2a 0 0 4f 77 > 5f 0 0 a 0 > Aug 6 08:03:36 dns /kernel: (da0:ahc0:0:0:0): ABORTED COMMAND asc:47,0 > Aug 6 08:03:36 dns /kernel: (da0:ahc0:0:0:0): SCSI parity error field > replaceable unit: 3 > Aug 6 08:03:36 dns /kernel: (da0:ahc0:0:0:0): WRITE(10). CDB: 2a 0 0 4f 77 > 5f 0 0 a 0 > Aug 6 08:03:36 dns /kernel: (da0:ahc0:0:0:0): ABORTED COMMAND asc:47,0 > Aug 6 08:03:36 dns /kernel: (da0:ahc0:0:0:0): SCSI parity error field > replaceable unit: 3 > > using dmesg :- > ahc0: rev 0x00 int a irq 10 on pci0.9.0 > ahc0: aic7890/91 Wide Channel A, SCSI Id=7, 16/255 SCBs > > Could anyone help me or tell me what to do ? I have unplug all cable and > reconnect it properly to my only SCSI harddrive, and make sure all > connection and cable is OK. I'm wondering if this is caused by aic7xxx (as I > found the similar problem from some newsgroups) and would it be solved if I > change to Tekram SCSI adapter ? You almost certainly have a cabling or termination problem. I would suggest replacing the cable and make sure your bus is properly terminated. Also, make sure the cable isn't too close to the power supply. Ken -- Kenneth Merry ken@kdm.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message