From owner-svn-src-all@freebsd.org Mon Mar 7 20:35:04 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4C18BAC3C4B for ; Mon, 7 Mar 2016 20:35:04 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: from mail-wm0-x235.google.com (mail-wm0-x235.google.com [IPv6:2a00:1450:400c:c09::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id DBB33F76 for ; Mon, 7 Mar 2016 20:35:03 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: by mail-wm0-x235.google.com with SMTP id p65so1374572wmp.0 for ; Mon, 07 Mar 2016 12:35:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sippysoft-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc; bh=vY1BCbosJE0+7gNiERBbwxR73XDyyhmNjM2/Ro32xls=; b=YFPWlHnzX6a+ADY5sQqfnmTHS6NGinmlvvnLNDHsjDlFavuksO9/X0cHFVVtPE1FFR Oc+loIbwcMDm/KffHSQ6QYFCSw+s4L/YGMQnTSEVcQyHQIXgSX0+WOfGuCd7qKN6Z82h 1CtnyOqTrSYaBf40uPoACrih8FolVowjMgopogMADDFRO1i8sQb3xAb/gNA+u01YLvMC CV2PqI37Pe7SJ8mrj4c/QBREYN9NBYhHYSMUaXJz5Ne1EuS2XsyBR/h41KaHnCUmT1AX pzyyQb8Xidfj4jWA6LT/9nThRmi0uVtA8zwqPOkSwO2utCB+bGbtGOj/dJ63udkZB9QN pvAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to:cc; bh=vY1BCbosJE0+7gNiERBbwxR73XDyyhmNjM2/Ro32xls=; b=Z5CX1ST8QUV1vc9U+wIt6dJsuuj9ycTJv/a4DXN/GFWP5B0JcWnDvrQ/sFi/HMMvcU e8JmrpIUHHPJTakIgFRdYthzjV6YDNGZmW0aJA5M33tbH9yeHY2HXH3JVG7jD8zgTJTT 8MjoKS9aHBVnhTGZ4gVObPYKT3+TU8ri9XMbQBkASBm3dox013XhKpBU/q5p4H8kFOmx 4LJeR86JtwMA0T9OZLfZR1ZpxpSKEY3y4aKK+1Adg9ZxBt/LaarX/SHTw+9hxXPvz1va OTphSIOFwnDEM0o9ZLVWwZ3FKnUjrhuXcvQRjWtLt+cXLJ3xds3gZlqwmLk/jTvulRDB Zgqw== X-Gm-Message-State: AD7BkJJG5QWkKjco2l1D/6VHHs1DBSroKTwvnsESdMiAk3TtSwk6KNnMnYB509ukzr9HR18f6lz5ggOrQ2pXf6Yi MIME-Version: 1.0 X-Received: by 10.194.227.1 with SMTP id rw1mr24126175wjc.62.1457382901994; Mon, 07 Mar 2016 12:35:01 -0800 (PST) Sender: sobomax@sippysoft.com Received: by 10.28.63.213 with HTTP; Mon, 7 Mar 2016 12:35:01 -0800 (PST) In-Reply-To: <201603071959.u27Jx8WY049242@repo.freebsd.org> References: <201603071959.u27Jx8WY049242@repo.freebsd.org> Date: Mon, 7 Mar 2016 12:35:01 -0800 X-Google-Sender-Auth: usMgkKRl_eQaqTaPPXSMkIeG5aE Message-ID: Subject: Re: svn: releng/10.3/sys: boot/common kern From: Maxim Sobolev To: Dimitry Andric Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Mar 2016 20:35:04 -0000 Is it possible perhaps for the installkernel target to extract the version number from the /boot/loader and warn user or abort operation if that version is known not to support this feature? This would be ultimate anti-foot-shooting safeguard for people who are used to the normal installkernel->reboot->installworld FreeBSD upgrade sequence. -Max On Mon, Mar 7, 2016 at 11:59 AM, Dimitry Andric wrote: > Unfortunately this will require installing boot loaders from sys/boot > before attempting to boot with a new kernel. >