From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 96316138010 for ; Sat, 27 Oct 2012 18:21:28 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 7412AE04BA; Sat, 27 Oct 2012 18:21:14 +0000 (UTC) Received: from mail-bk0-f53.google.com (mail-bk0-f53.google.com [209.85.214.53]) by pigeon.gentoo.org (Postfix) with ESMTP id A1809E0539 for ; Sat, 27 Oct 2012 18:19:11 +0000 (UTC) Received: by mail-bk0-f53.google.com with SMTP id jg15so1435920bkc.40 for ; Sat, 27 Oct 2012 11:19:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:user-agent:in-reply-to :references:mime-version:content-transfer-encoding:content-type; bh=nqSHAjulOm/ilCTTmuOSseIVmgqNKY9A59bVp7qm97o=; b=Z2KzZO+wMEf6reHTJ+k24YNuJhLZK3zTCs2O3XDJJ2IvaATwGzWp2An9ACnzv1vJJp 26L3f5d4IqK5b6vYcsSeF/HTTcgqNK9YjYVoMbKvgtL6mR8XBcGThwRf76t+T7gMnofV RsAkDnOdCKJHlHbQ76ED0FCsVNSTYvYVNJ+Xz6q6ugmb5cL2xkpSv1rydY3b0lqJPTOO +Hj8kHYWsBfAVWeX8uep/drjhIFynpg4P6+m8z5UniaWiUU2nr9ITqndMkajgNJYxEIL 7sg2XVykuAQUwTFc1W43ZGHM/hBgRycJVySMOj6Fygdagf3OshTfwOHR1/lxo4uw3vJp ONbQ== Received: by 10.204.7.88 with SMTP id c24mr8138903bkc.118.1351361950809; Sat, 27 Oct 2012 11:19:10 -0700 (PDT) Received: from energy.localnet (p4FC607A1.dip0.t-ipconnect.de. [79.198.7.161]) by mx.google.com with ESMTPS id 1sm2067180bks.3.2012.10.27.11.19.08 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 27 Oct 2012 11:19:09 -0700 (PDT) From: Volker Armin Hemmann To: gentoo-user@lists.gentoo.org Cc: Kerin Millar Subject: Re: [gentoo-user] Re: Heads-up: Several kernel versions have severe EXT4 data corruption bug Date: Sat, 27 Oct 2012 20:19:07 +0200 Message-ID: <1530096.TJQ2ZnIPGe@energy> User-Agent: KMail/4.9.2 (Linux/3.4.14; KDE/4.9.2; x86_64; ; ) In-Reply-To: <5089A94C.8090404@fastmail.co.uk> References: <5089A94C.8090404@fastmail.co.uk> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Archives-Salt: eac1e4e9-730d-4916-bd03-3ceeed64402e X-Archives-Hash: 571517e9dadf920579c694458e20a012 Am Donnerstag, 25. Oktober 2012, 22:04:12 schrieb Kerin Millar: > Grant Edwards wrote: > > On 2012-10-25, Kerin Millar wrote: > >> The comment you linked to was fairly bereft of technical content, > > > > That "comment" was from _Ted_Ts'o_ for pete's sake. > > I don't care it was from the heavens upon high. The only remark that was > meaningful in a technical sense was the thoroughly inconclusive > "Update", suggesting (but not establishing) that it might be related to > certain combinations of mount options. The rest was just hand-waving > about how it couldn't be a big deal because, if it was, "lots of people > would have been complaining", which is denying the antecedent. > > Let's separate two fundamental issues here. One issue is that of data > corruption, which is a big deal. I'm sure most of us would agree on that > point. That such an issue is going to generate news - and no small > degree of discussion - is a given. People will want to know what the > problem is and what they can do about it in order to be safe. What did > Ted expect? > > The second issue is that of the scope of the bug. This is where I took > issue with the comment. The overall meaning of his comment could be > interpreted as "Your collective concerns are overblown because the scope > of this bug is minimal. Oh, and I think it may have something to do with > these mount options which, being esoteric, nobody in their right mind > would be using anyway so, hey, big deal." > > The fact of the matter is that the investigation, even as I write this, > is ongoing and no patch has been produced. Consider that for a moment. > It doesn't matter how brilliant Ted is, or that you have seen fit to > sample his mucus. Telling us all that we should be unconcerned because > the scope is minimal *before* he and his peers have completed their > investigation and a line been drawn under the affair was simply premature. > > That the bug reporter has since demonstrated that the corruption can > occur in kernel versions that don't include commit eeecef0af5 - kernels > which we were previously told were not affected - only serves to > demonstrate this point. > and that ONLY two people who did some REALLY stupid stuff to stumble over that bug are hit by it, should tell you something. For fucks sake, if you had read the thread, even google uses ext4 and they did not hit it. So much about its likelyhood. Bugs happen. And this bug is so not a problem. -- #163933