From owner-freebsd-hackers Mon Jun 12 06:36:09 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id GAA19719 for hackers-outgoing; Mon, 12 Jun 1995 06:36:09 -0700 Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id GAA19713 for ; Mon, 12 Jun 1995 06:36:05 -0700 Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.9/8.6.9) id XAA22386; Mon, 12 Jun 1995 23:02:55 +0930 From: Michael Smith Message-Id: <199506121332.XAA22386@genesis.atrad.adelaide.edu.au> Subject: Re: Problem with 2940 To: evanc@synapse.net Date: Mon, 12 Jun 1995 23:02:55 +0930 (CST) Cc: hackers@freebsd.org In-Reply-To: <199506112318.TAA17166@sentinel.synapse.net> from "Evan Champion" at Jun 11, 95 07:18:29 pm Content-Type: text Content-Length: 1274 Sender: hackers-owner@freebsd.org Precedence: bulk Evan Champion stands accused of saying: > Problem: mild filesystem corruption. It appears that on write a bit > Both the internal and external SCSI bus are properly terminated and > we're using high quality cables. I lowered the transfer rate from 10 > MB/s to 5 MB/s with no change. I suspect that the problem is with the > 2940 or the driver for the 2940 because SCSI bus parity should detect > the single bit errors that I am experiencing. > > I hope someone out there is having this problem to so I don't feel > that I'm going crazy :-) Any suggestions as to what to look for and > change would be very appreciated. Start by enabling (if possible) memory parity checking for your M/B. Then pull the 2940 and clean the contacts. Move it to a different slot. Make sure you actually _do_ have SCSI parity enabled. Wave a dead chicken three times widdershins around the case. > Evan -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] My car has "demand start" - Terry Lambert [[