From owner-freebsd-hackers Tue Aug 25 15:30:49 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA21398 for freebsd-hackers-outgoing; Tue, 25 Aug 1998 15:30:49 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from uni4nn.gn.iaf.nl (osmium.gn.iaf.nl [193.67.144.12]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id PAA21391 for ; Tue, 25 Aug 1998 15:30:35 -0700 (PDT) (envelope-from wilko@yedi.iaf.nl) Received: by uni4nn.gn.iaf.nl with UUCP id AA26744 (5.67b/IDA-1.5); Wed, 26 Aug 1998 00:18:58 +0200 Received: (from wilko@localhost) by yedi.iaf.nl (8.8.8/8.6.12) id XAA01621; Tue, 25 Aug 1998 23:04:40 +0200 (CEST) From: Wilko Bulte Message-Id: <199808252104.XAA01621@yedi.iaf.nl> Subject: Re: Adaptec 1542i Performance on -stable [was Re: SCSI Controller] In-Reply-To: <199808251858.NAA00795@detlev.UUCP> from Joel Ray Holveck at "Aug 25, 98 01:58:19 pm" To: joelh@gnu.org Date: Tue, 25 Aug 1998 23:04:40 +0200 (CEST) Cc: dakott@alpha.delta.edu, hackers@FreeBSD.ORG X-Organisation: Private FreeBSD site - Arnhem, The Netherlands X-Pgp-Info: PGP public key at 'finger wilko@freefall.freebsd.org' X-Mailer: ELM [version 2.4ME+ PL38 (25)] Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG As Joel Ray Holveck wrote... > > I did have some strange kernel panics when I installed my hardrive > > in front of the CDROM that previously had occupied the bus alone. > > The drive would log timeout errors. Then, as now, my root > > partition/swap et. al was on this drive, the kernel would panic. > > Also, sporadically, the drive would load the kernel sucessfully for > > booting, but would just hang when the kernel attempted to mount the > > root partition. I configured the hardrive to supply the bus > > termination, instead of the CDROM, as well as recompiling my kernel > > sans the "TUNE_1542" option, and I haven't had a problem since. > > Many 1542s (particularly the B series) were very sensitive to poor > cabling and termination problems. I think there were also cabling sensitivities in the C series(?). Wilko _ ______________________________________________________________________ | / o / / _ Bulte email: wilko@yedi.iaf.nl |/|/ / / /( (_) Arnhem, The Netherlands WWW : http://www.tcja.nl ______________________________________________ Powered by FreeBSD __________ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message