From owner-freebsd-questions@FreeBSD.ORG Tue Jan 14 09:18:40 2014 Return-Path: Delivered-To: freebsd-questions@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 E2050E40 for ; Tue, 14 Jan 2014 09:18:40 +0000 (UTC) Received: from alogt.com (alogt.com [69.36.191.58]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id B56851FFE for ; Tue, 14 Jan 2014 09:18:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=alogt.com; s=default; h=Content-Transfer-Encoding:Content-Type:Mime-Version:References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date; bh=EjSPfOhLsixD9I85x0bFebaMrFpnvDWREkYnJlTECSc=; b=hGgTO2W9RhpPazTipiePx+ooEHrK30uQn4+Z9Qe0h2U+dcIkV0WZNRi6Jfvlovue+31CAivw1N4yx8YWOe/tODQ7bN5xyX4GcEBjBH91jtGZnFWPuBfstZJrqvdKwJPUroP4FaoH0IoinEh3Un6SO5siIsHsfVVjW3esti6ziaQ=; Received: from [182.11.216.102] (port=32383 helo=X220.alogt.com) by sl-508-2.slc.westdc.net with esmtpsa (SSLv3:DHE-RSA-AES128-SHA:128) (Exim 4.82) (envelope-from ) id 1W308s-0034Lc-Jl; Tue, 14 Jan 2014 02:18:40 -0700 Date: Tue, 14 Jan 2014 17:18:30 +0800 From: Erich Dollansky To: Scott Bennett Subject: Re: 9.2-RELEASE kernel ignores MBR on boot disk Message-ID: <20140114171830.19e0be65@X220.alogt.com> In-Reply-To: <201401140906.s0E96bbd013424@sdf.org> References: <201401120855.s0C8tb5I022973@sdf.org> <20140112175557.1f666aff@X220.alogt.com> <201401121053.s0CAr3Uq011648@sdf.org> <20140112201153.2938604a@X220.alogt.com> <201401121253.s0CCrTe9015766@sdf.org> <20140112220828.1e489c27@X220.alogt.com> <201401140906.s0E96bbd013424@sdf.org> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.19; amd64-portbld-freebsd10.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - sl-508-2.slc.westdc.net X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - alogt.com X-Get-Message-Sender-Via: sl-508-2.slc.westdc.net: authenticated_id: erichsfreebsdlist@alogt.com X-Source: X-Source-Args: X-Source-Dir: Cc: freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Jan 2014 09:18:40 -0000 Hi, On Tue, 14 Jan 2014 03:06:37 -0600 Scott Bennett wrote: > Erich Dollansky wrote: > > On Sun, 12 Jan 2014 06:53:29 -0600 > > Scott Bennett wrote: > > > > I upgraded one machine from 8.x via sources to 10 around June/July > > 2012 without any problems. > > Interesting. There are some pitfalls to using GPT, largely as a > result of the placement of the backup copy of the partition map, that > I really do not want to convert the boot disk if I don't have to. I used only MBR. > > > > I have both on 10 and have no problems with it since I have both. > > Well, I'll hold off on 10 if possible until 10.1. I'm on my own > here and have enough problems without reaching for the bleeding edge. Just stick with 8. > > > > It all sounds weird to me. But you can use gpart to install the > > loaders from 9.2 for a try. > > > However, if the 9.2 boot loaders have changed, will they still > work with my 8.2 kernel if and when I have to revert again? This is > my boot drive we're discussing here after all. > Anyway, thanks much for your thoughts. Maybe one of the kernel > developers will get around to commenting. Otherwise maybe I'll have > to try to submit a PR and wait a few months more. I suppose in the > meantime I could try 8.4, too. Sigh. All my backups have a running FreeBSD installation. So, even the smallest flash drive can boot. You might will need one with 8 and one with 9 on it just to make sure. Erich