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Path: sserve!newshost.anu.edu.au!munnari.oz.au!bunyip.cc.uq.oz.au!harbinger.cc.monash.edu.au!msuinfo!agate!howland.reston.ans.net!gatech!newsxfer.itd.umich.edu!gumby!yale!yale.edu!xlink.net!nntp.gmd.de!Germany.EU.net!EU.net!uunet!rwwa.com!not-for-mail From: witr@rwwa.com (Robert Withrow) Newsgroups: comp.os.386bsd.misc Subject: SCSI bus hangs -- Help needed Date: 11 May 1994 18:06:19 -0400 Organization: R.W. Withrow Associates Lines: 29 Message-ID: <2qrksr$7vu@meatball.rwwa.com> Reply-To: witr@rwwa.com NNTP-Posting-Host: meatball.rwwa.com Am I the *only* person on the face of the earth with this problem? Config: 1.1-GAMMA, AHA1542B, 3 Maxtor LXT213S, 1 Sony CDU541, 1 Archive 2150ES. (The tape drive is external, and is sometimes connected and sometimes not. Termination is made ``correct'' either way. Only two of the drives are in use. Problem: Random SCSI bus hangs. Doesn't seem to correlate with anything other than bus activity. Doesn't depend on whether tape drive is connected or not, or whether the CDROM is accessed or not. I get hangs both ways. When the bus hangs, all devices have their access lights off, the AHA his its light on. I get console messages about timeouts and ``adapter not taking commands --- frozen?''. When I push the reset button the AHA light remains on. It *stays* on until the AHA bios starts sniffing the bus. It seems very much like the SCSI half of the AHA card has crashed hard. P.S., all of this hardware (including the cables) has worked in the past *without* any problems on a SVR4.0.3.0 system. I.E. absolutely *no* bus hangs. Some of it has worked with DOS, also without any problems. -- Robert Withrow, Tel: +1 617 598 4480, Fax: +1 617 598 4430 R.W. Withrow Associates, 319 Lynnway, Lynn MA 01901 USA, Net: witr@rwwa.COM