From owner-freebsd-stable@freebsd.org Mon Jul 11 13:50:39 2016 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 2A7E2B849E2 for ; Mon, 11 Jul 2016 13:50:39 +0000 (UTC) (envelope-from allbery.b@gmail.com) Received: from mail-qt0-x234.google.com (mail-qt0-x234.google.com [IPv6:2607:f8b0:400d:c0d::234]) (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 D5F2E11BF for ; Mon, 11 Jul 2016 13:50:38 +0000 (UTC) (envelope-from allbery.b@gmail.com) Received: by mail-qt0-x234.google.com with SMTP id w38so14826257qtb.0 for ; Mon, 11 Jul 2016 06:50:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=8FIu9qNGP1ds/j0e3d9SKfWdmucAvuQe2PULVeRfBu0=; b=VqZ2GBDal8AWRWQrwOQZeJDC50/58uEscCEttwiqj9T4o6hnPjSJfFjWgJfsdxKZQp 4/0KJFOt333LjHnw5bKmDwAPZ9luhFQwT/TscUhiaNFiWi8ecSZ5/0NZuu3YUibYenZF iaIrLaXn8XE5TdgWGvi40d5LxIHtdbAAWwYaMSQHLLAdl78n+ncxE5jlvoUZssprcHTJ q9wkdpsQCD+DDhwjzXhPcChZYQ6eNCNLYuaYQPm3FJ1+ReuqlYIsQdiAuNArAyQlfViq jWWn/4LWRckP+4Y7MYgeeF6k+OMZTrWUouAH63WFu0bcmfBkD0oBg+O2G2MsHMxLyey+ zACQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=8FIu9qNGP1ds/j0e3d9SKfWdmucAvuQe2PULVeRfBu0=; b=Y+vUa8FuSSPL35i8wE5lrCEx0Zs/9UhuxP6Hd/F5/Tbny+Jmlah1LqfJbU1KXs5gF3 6u/eWiRFkFsPOhe9DZZ01pWE1JBWJ2NeJPV++84ATU/m0x6cN9Fjrrg1r2aPq0vNXB+6 oTSDIKKqi9i5ECPbeXE1mS0/NSiq8UVTrvL7rtyelsRen/dlJvqMXP33c2IclzJ7uDh9 x6cJpgMWurEBiivTWrOxtMwj/zo4hYTHyc+bj1DolIc4WTwaoBmvIFcTm/TJzssIb1Kp 4udqAIzIr0uJlmDg6GKBb4oupzVl/tcsO88Ec1gBJZP5d4YLGZaA/5yh8r12SEtS7Ipv DSDw== X-Gm-Message-State: ALyK8tJF45uqzidrBi7l0HxXHLcCuYXkwIX5XUaF/LMbgmZcRq/G59lncqNPDp3gyeCClLNCueRayuJkx8zb6g== X-Received: by 10.237.55.168 with SMTP id j37mr29169340qtb.102.1468245037893; Mon, 11 Jul 2016 06:50:37 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.42.8 with HTTP; Mon, 11 Jul 2016 06:50:37 -0700 (PDT) In-Reply-To: <877f5e8e-c1e7-6fb0-6ceb-031ce3e68582@denninger.net> References: <2b0c454b-c1a0-4b5b-e778-bf0939e90ae1@denninger.net> <6e9c07e1-12a6-a7cd-f775-6b0fe5a706bc@denninger.net> <1468243977.72182.118.camel@freebsd.org> <877f5e8e-c1e7-6fb0-6ceb-031ce3e68582@denninger.net> From: Brandon Allbery Date: Mon, 11 Jul 2016 09:50:37 -0400 Message-ID: Subject: Re: Not-so stable if you take a CAM error.... To: Karl Denninger Cc: freebsd-stable Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jul 2016 13:50:39 -0000 On Mon, Jul 11, 2016 at 9:46 AM, Karl Denninger wrote: > Here's the backtrace ... sounds like expected behavior, which is not-so > good all-in for a situation like this. I guess the strategy is to turn > off softupdates before attempting such an update so as not to crash the > host machine if there's a problem with the card. > I would tend to assume that removable media should not have softupdates enabled. Even with properly working media, it's practically begging for corruption. -- brandon s allbery kf8nh sine nomine associates allbery.b@gmail.com ballbery@sinenomine.net unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net