From owner-freebsd-fs@FreeBSD.ORG Fri May 23 17:23:05 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2F961F07; Fri, 23 May 2014 17:23:05 +0000 (UTC) Received: from blu0-omc3-s24.blu0.hotmail.com (blu0-omc3-s24.blu0.hotmail.com [65.55.116.99]) by mx1.freebsd.org (Postfix) with ESMTP id C7C2F23D4; Fri, 23 May 2014 17:23:04 +0000 (UTC) Received: from BLU179-W11 ([65.55.116.73]) by blu0-omc3-s24.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Fri, 23 May 2014 10:23:03 -0700 X-TMN: [7ktihA8WGwpXGM22YxEdl+AY/sCjK0TG] X-Originating-Email: [hsn@sendmail.cz] Message-ID: From: Radim Kolar To: Steven Hartland , "bug-followup@freebsd.org" , "freebsd-fs@freebsd.org" Subject: RE: kern/189355: [zfs] zfs panic on root mount 10-stable Date: Fri, 23 May 2014 17:23:03 +0000 Importance: Normal In-Reply-To: References: <9423EBFC865C4281A93352433E62219E@multiplay.co.uk>, , MIME-Version: 1.0 X-OriginalArrivalTime: 23 May 2014 17:23:03.0181 (UTC) FILETIME=[A716D3D0:01CF76AB] Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.18 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 May 2014 17:23:05 -0000 its not just about building custom kernel. GENERIC from 10-STABLE panics on= i386 mount ZFS root too. Maybe ZFS should not be used on i386=2C but it should not panic system. If = you are against changing default kernel configuration on i386 then add anot= her warning to boot messages similar to this: ZFS WARNING: Recommended minimum kmem_size is 512MB=3B expect unstable beha= vior. Consider tuning vm.kmem_size and vm.kmem_size_max in /boot/loader.conf. =