From owner-freebsd-stable@FreeBSD.ORG Fri Aug 13 10:27:10 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 108E51065674 for ; Fri, 13 Aug 2010 10:27:10 +0000 (UTC) (envelope-from rb@gid.co.uk) Received: from mx0.gid.co.uk (mx0.gid.co.uk [194.32.164.250]) by mx1.freebsd.org (Postfix) with ESMTP id 9F4E88FC08 for ; Fri, 13 Aug 2010 10:27:09 +0000 (UTC) Received: from gidgate.gid.co.uk (80-46-130-69.static.dsl.as9105.com [80.46.130.69]) by mx0.gid.co.uk (8.14.2/8.14.2) with ESMTP id o7DAAPSK064386; Fri, 13 Aug 2010 11:10:25 +0100 (BST) (envelope-from rb@gid.co.uk) Received: from [194.32.164.28] ([194.32.164.6]) by gidgate.gid.co.uk (8.13.8/8.13.8) with ESMTP id o7DAAKWO026044; Fri, 13 Aug 2010 11:10:20 +0100 (BST) (envelope-from rb@gid.co.uk) Mime-Version: 1.0 (Apple Message framework v1081) Content-Type: text/plain; charset=us-ascii From: Bob Bishop In-Reply-To: Date: Fri, 13 Aug 2010 11:10:20 +0100 Content-Transfer-Encoding: 7bit Message-Id: <2A674A7B-D72A-4B5F-B274-23C654B1C4B2@gid.co.uk> References: To: "William D. Colburn (Schlake)" X-Mailer: Apple Mail (2.1081) Cc: freebsd-stable Subject: Re: My kernel panics sucked, but they seem to be gone now. X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Aug 2010 10:27:10 -0000 Hi, On 13 Aug 2010, at 04:33, William D. Colburn (Schlake) wrote: > A rehash of the problem: > > If my computer was plugged into the UPS and sitting on my metal desk > the drive controllers would fail and cause a panic almost immediately > when booted. If my computer was plugged into wall power and sitting > on a wooden table, the machine ran flawlessly. > > New information: > > Removing the UPS, but leaving the computer on the metal desk make the > panics happen a lot less, about every four to seven days. Sometimes > after a crash it couldn't boot because no hard drives could be found > at all, but that always went away with a few power cycles. Is your metal desk earthed? > One of my SATA cards has been with me since 2005. It was a rock solid > card on my old FreBSD install...as long as I didn't plug anything into > SATA port 2. I always had this feeling that something wasn't quite > right with port 2 and that I should avoid it. But I'm running FreeBSD > 8 now, and having strange problems. So I removed the card completely > and my system hasn't crashed since. Which still doesn't prove it was > the card. Removing the card could just have made it even more > intermittent. > > In summary: I hate hardware almost as much as I hate linux. :-) > -- > -- Schlake -- Bob Bishop rb@gid.co.uk