From owner-freebsd-questions Wed May 21 04:44:25 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id EAA05923 for questions-outgoing; Wed, 21 May 1997 04:44:25 -0700 (PDT) Received: from hda.hda.com (hda-bicnet.bicnet.net [207.198.1.121]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id EAA05916 for ; Wed, 21 May 1997 04:44:18 -0700 (PDT) Received: (from dufault@localhost) by hda.hda.com (8.8.5/8.8.5) id HAA02356; Wed, 21 May 1997 07:41:14 -0400 (EDT) From: Peter Dufault Message-Id: <199705211141.HAA02356@hda.hda.com> Subject: Re: strange 2.2.1 behavior In-Reply-To: from Stefan `Sec` Zehl at "May 21, 97 12:50:44 pm" To: sec@42.org (Stefan `Sec` Zehl) Date: Wed, 21 May 1997 07:41:13 -0400 (EDT) Cc: freebsd-questions@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL25 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > i recently installed 2.2.1R and it worked good so far, but tonight it > started a very strange behavior. The /var/log/messages is attached below. > > No it keeps kiving these strange scsi-errors - what can i do to get rid of > them ? You're right - these are strange errors. ... > May 21 02:41:24 quit last message repeated 4 times > May 21 02:45:51 quit xntpd[89]: time reset (step) 0.232638 s > May 21 03:10:02 quit /kernel: sd0(ncr0:1:0): UNIT ATTENTION asc:29,0 > May 21 03:10:02 quit /kernel: sd0(ncr0:1:0): Power on, reset, or bus device reset occurred These are interesting. Note that the disk is seeing a SCSI reset or power fail. Look closely at your SCSI bus set up - proper termination, proper termination power, quality cables, etc. ... > Error 0: No error Looks like your sig predicted your SCSI errors, doesn't it? -- Peter Dufault (dufault@hda.com) Realtime development, Machine control, HD Associates, Inc. Safety critical systems, Agency approval