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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!nntp.coast.net!howland.reston.ans.net!news.sprintlink.net!new-news.sprintlink.net!news.mathworks.com!newsfeed.internetmci.com!in2.uu.net!vixie!nnrp.vix.com!vixie From: vixie@vix.com (Paul A Vixie) Newsgroups: comp.unix.bsd.bsdi.misc Subject: Re: FIX (?!): BusLogic BT-946C firmware problem Date: 16 Jun 1996 07:36:58 GMT Organization: Vixie Enterprises Lines: 22 Message-ID: <VIXIE.96Jun16003658@wisdom.vix.com> References: <Pine.BSI.3.91.960611044017.2184A-100000-100000@dca.net> <Dsu2Ew.EEx@ritz.mordor.com> NNTP-Posting-Host: wisdom.home.vix.com In-reply-to: ritz@ritz.mordor.com's message of Tue, 11 Jun 1996 11:25:44 GMT >I have been using 946'Cs and, most recently, 956C's for over 3 years with >1.0, 2.01, and 2.1. I have never had a problem with SCSI bus hangs as you >describe and my machines get fairly heavy usage. Uptimes of 30+ days are >not uncommon and reboots are usually due to a software upgrade or hardware >tweak. Are you sure this isn't a motherboard related problem? I use Intel >Plato II and Tyan Tomcat I (1562) boards without incident. On a 1452, 1462, and now 1468, I see this problem frequently. I have a short handmade internal cable, active termination on the last drive in the chain, and no external devices. There are three things I've done at various times to fix the problem: (1) switch to a 747 or 742; (2) shut off fast, synch, and disconnect on all units; (3) switch to an NCR. I have changed out the disks, upgraded the disk firmware, tried different cables. I admit that I have not tried a 1562 motherboard, but geez. The smoking gun points squarely at the 946C (Rev E, latest firmware+BIOS). -- Paul Vixie La Honda, CA "Illegitimibus non carborundum." <paul@vix.com> pacbell!vixie!paul