From owner-freebsd-current Tue Mar 19 15:05:48 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id PAA08996 for current-outgoing; Tue, 19 Mar 1996 15:05:48 -0800 (PST) Received: from GndRsh.aac.dev.com (GndRsh.aac.dev.com [198.145.92.241]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id PAA08991 Tue, 19 Mar 1996 15:05:44 -0800 (PST) Received: (from rgrimes@localhost) by GndRsh.aac.dev.com (8.6.12/8.6.12) id PAA21675; Tue, 19 Mar 1996 15:05:17 -0800 From: "Rodney W. Grimes" Message-Id: <199603192305.PAA21675@GndRsh.aac.dev.com> Subject: Re: SCSI death in -current with DAT To: mrl@teleport.com (Mostyn/Annabella) Date: Tue, 19 Mar 1996 15:05:17 -0800 (PST) Cc: gibbs@freefall.freebsd.org, current@FreeBSD.ORG, mrl@teleport.com, joerg_wunsch@uriah.heep.sax.de In-Reply-To: <199603191934.LAA25294@linda.teleport.com> from "Mostyn/Annabella" at Mar 19, 96 11:34:07 am X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > > > > > Its an aic7xxx driver problem related to parity checking which I > > recently enabled. It seems that you get harmless parity errors > > when you have both a wide and narrow bus attached to the controller > > at one time. I'm still investigating, but people seeing this problem > > should just disable parity checking in SCSI-Select. > ^^^^^^^^^^^^^^^^^^^^^^^ > > Thank you very much. With parity switched off by the controller, > the DAT worked fine backing up a wide drive using a March 17th > -current system. > > J"org, thank you for the fixed-block setup for the DAT - I didn't > use it but I'll keep it just in case. The Archive/Conner Python 28388 DAT drives are variable block length capable drives, this patch is not needed, and should not be applied to any system. -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Reliable computers for FreeBSD