From owner-freebsd-current@FreeBSD.ORG Mon Feb 11 00:12:14 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E99AB16A420 for ; Mon, 11 Feb 2008 00:12:14 +0000 (UTC) (envelope-from ben@altus-escon.com) Received: from altus-escon.com (altesco.xs4all.nl [82.95.106.39]) by mx1.freebsd.org (Postfix) with ESMTP id 551F213C465 for ; Mon, 11 Feb 2008 00:12:14 +0000 (UTC) (envelope-from ben@altus-escon.com) Received: from benjoam.stuyts.nl (stuyts.xs4all.nl [82.95.106.42]) by altus-escon.com (8.13.6/8.13.1) with ESMTP id m1ANlxdm058715; Mon, 11 Feb 2008 00:48:05 +0100 (CET) (envelope-from ben@altus-escon.com) Message-Id: <5CEDA231-F551-47ED-8341-7C34BD5D331E@altus-escon.com> From: Ben Stuyts To: Vladimir Botka In-Reply-To: <20080209093146.732f5e03@srv> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v915) Date: Mon, 11 Feb 2008 00:47:53 +0100 References: <3E1A8014-3F18-492B-8288-46706F420123@altesco.nl> <9892EE5A-068E-4BFA-8D31-9FF7184C3181@altesco.nl> <20080209093146.732f5e03@srv> X-Mailer: Apple Mail (2.915) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (altus-escon.com [193.78.231.42]); Mon, 11 Feb 2008 00:48:05 +0100 (CET) X-Virus-Scanned: ClamAV 0.92/5767/Sun Feb 10 21:57:54 2008 on earth.altus-escon.com X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=3.5 tests=BAYES_00 autolearn=ham version=3.2.4 X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on earth.altus-escon.com X-Mailman-Approved-At: Mon, 11 Feb 2008 00:23:39 +0000 Cc: freebsd-current@freebsd.org Subject: Re: Panic when connecting USB drive to amd64 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Feb 2008 00:12:15 -0000 Hi, On 9 Feb 2008, at 09:31, Vladimir Botka wrote: > error message says: > Fatal trap 12: page fault while in kernel mode > fault code = supervisor read data, page not present > > My guess is that the process cannot access memory (because there is > none left). As I know ZFS is greedy, so unless you have 16 processor > Sun > Enterprise with 64GB memory you should better to switch back to UFS. There's plenty of memory at that point. I don't have exact data handy right now, I'll check tomorrow when I have access to that machine again. The panic happens also right after booting, when there has been almost no ZFS activity. Ben