From owner-freebsd-stable@freebsd.org Thu Dec 10 08:41:46 2015 Return-Path: Delivered-To: freebsd-stable@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 3B6149D6390 for ; Thu, 10 Dec 2015 08:41:46 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 87AE71C47 for ; Thu, 10 Dec 2015 08:41:45 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id KAA02119; Thu, 10 Dec 2015 10:41:37 +0200 (EET) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1a6wnA-000EL7-VZ; Thu, 10 Dec 2015 10:41:36 +0200 Subject: Re: Periodic jobs triggering panics in 10.1 and 10.2 To: Karl Denninger , freebsd-stable@FreeBSD.org References: <34FA7D40-8758-460D-AC14-20B21D2E3F8D@ebureau.com> <1449619470.31831.9.camel@michaeleichorn.com> <56682278.4040302@sorbs.net> <56683FC1.3050001@rlwinm.de> <5668AAB1.1080003@sorbs.net> <1449703798.4355.27.camel@michaeleichorn.com> <5668F053.8010106@denninger.net> <5668F3C4.5060606@denninger.net> From: Andriy Gapon Message-ID: <56693A87.1000406@FreeBSD.org> Date: Thu, 10 Dec 2015 10:40:39 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <5668F3C4.5060606@denninger.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Dec 2015 08:41:46 -0000 On 10/12/2015 05:38, Karl Denninger wrote: > Beadm allows you to set the "next boot" and works as expected. > > You can't select from the boot loader but you can certainly ping-pong > between a working and test environment easily (I do this all the time) Being able to easily switch between BEs during boot is a part of the BE experience. Think of a situation where a new BE gets a kernel panic half way through the boot process. -- Andriy Gapon