From owner-freebsd-current@freebsd.org Mon Jul 17 09:15:28 2017 Return-Path: Delivered-To: freebsd-current@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 60756D6D07C for ; Mon, 17 Jul 2017 09:15:28 +0000 (UTC) (envelope-from chargen@gmail.com) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 3D8F57D9A4 for ; Mon, 17 Jul 2017 09:15:28 +0000 (UTC) (envelope-from chargen@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id 39EB6D6D07B; Mon, 17 Jul 2017 09:15:28 +0000 (UTC) Delivered-To: current@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 3971FD6D07A for ; Mon, 17 Jul 2017 09:15:28 +0000 (UTC) (envelope-from chargen@gmail.com) Received: from mail-pg0-x229.google.com (mail-pg0-x229.google.com [IPv6:2607:f8b0:400e:c05::229]) (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 0A72E7D9A2; Mon, 17 Jul 2017 09:15:28 +0000 (UTC) (envelope-from chargen@gmail.com) Received: by mail-pg0-x229.google.com with SMTP id v190so18526369pgv.2; Mon, 17 Jul 2017 02:15:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=d06+s94058arlftYfg1S+zV7+X4pfOpCw18Y9oQzCFI=; b=REeZ9FogY+efHcSn/v5XiS6nHCb137x9gkLRXqMeYkzjYiFMyR3i4C9044V2t/xIWw ExraCqGs7eS6sxni7zknGKX5XKDz5Zb+NDm6pcofI4Z9cOeSv/JDMNxIKh3TzeUVcE+6 FbpW/J2iNe6Lq5g/yEyojNZB3/Okyc4P6qZXdHjlkapnm6iqGlUPNYNaKY6SqTjFEbrw 6/pNZuHVRHGBTnmDZAte8/zkze1n55VJw00/adxzfLvkI8AYK8j9Jgb3nXcXmZI1uecU GITuNWpm+kq6x3Rp5G/+LpM7JicTDzv9s2CzIZNEHPzSEQvRNg6ArPjQUOn+DqD/njOo 102w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=d06+s94058arlftYfg1S+zV7+X4pfOpCw18Y9oQzCFI=; b=PTmAiYyEioaLd+rsa0jjEA7B4Vv2dwCQbFwdgoCMsxCUT30TueeqnNkKiP3OdbLuf0 NWvOllXkO5/2K34r0KHmQ2bn0CJfDoFlCwHP0sP5JWYjT4KLLBLBZ8HE8uqI4bc0t87j ZI4/rQuSe1qjZyPXQpH7GPBgq0Ga0reRWezPTUzFLXvBHQd6LRbcNZ4XLtyTEQWzyfqO hyGK0SdeqNqAg/HbW+WL/s1W8XXED6D+8PRY93tfVTpDM/fCbbe4BTd5RKQRXRpqszql bq/MnMLdGTqi8rUJBKLDnjsRW7DixfIviRfb0x125MXt3SBe2oV7hgNf6QRZ+PHRRSJh vCcg== X-Gm-Message-State: AIVw1120jtL3R3bQPe8jei5U7JJRhgvqbwVQXV00Sj52vSfA5cEM8JTT qxzftOwJjecbKstPF4jYQCD8sI4fvA== X-Received: by 10.99.2.69 with SMTP id 66mr27808084pgc.61.1500282926967; Mon, 17 Jul 2017 02:15:26 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.183.71 with HTTP; Mon, 17 Jul 2017 02:15:06 -0700 (PDT) In-Reply-To: <2cd885e1-737b-b8fc-e446-7249ca92f04d@FreeBSD.org> References: <2830123.MIUbdsJfkU@overcee.wemm.org> <2cd885e1-737b-b8fc-e446-7249ca92f04d@FreeBSD.org> From: Chargen Date: Mon, 17 Jul 2017 11:15:06 +0200 Message-ID: Subject: Re: Caveat emptor: Beware of ZFS on HEAD To: Andriy Gapon Cc: Peter Wemm , Current Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jul 2017 09:15:28 -0000 Thumbs up, gentlemen! Regards, Edwin -- Deze e-mail en de inhoud is vertrouwelijk en uitsluitend bestemd voor de geadresseerde(n). Indien u niet de geadresseerde bent van deze e-mail verzoeken wij u dit direct door te geven aan de verzender door middel van een reply e-mail en de ontvangen e-mail uit uw systemen te verwijderen. Als u geen geadresseerde bent, is het niet toegestaan om kennis te nemen van de inhoud, deze te kopieren, te verspreiden, bekend te maken aan derden noch anderszins te gebruiken. The information contained in this e-mail is confidential and may be legally privileged. It is intended solely for the addressee. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. Please notify us immediately if you have received it in error by reply e-mail and then delete this message from your system. On Mon, Jul 17, 2017 at 8:35 AM, Andriy Gapon wrote: > On 12/07/2017 23:20, Peter Wemm wrote: > > We mostly run HEAD in the freebsd.org cluster. Sometime in the last > few weeks > > an ugly zfs problem has surfaced. If a redundant volume is degraded, zfs > > panics on boot. If a drive fails while running, or is manually put > offline, zfs > > panics the same way. > > > > I do not have a smoking gun, but I am suspicious of the June 28th commits > > (starting at r320156) and their follow-ups. eg: r320452. > > > > https://bugs.freebsd.org/220691 > > > > I believe single disk systems will *not* be affected by this - the panic > only > > happens when a raidz (and presumably mirror) degrades. Your laptop etc > should > > be fine. > > > > I apologize for being vague - I do not know more. Folks running HEAD > should > > take appropritate precautions (eg: keeping a known-good kernel.old and > modules > > around). This is always advisable when running HEAD anyway, > particularly so > > now. For us, a kernel.old from June 18th worked fine. > > > > My apologies for the bug. > Everyone affected, could you please test the patch from the bug report? > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220691#c3 > Thank you! > > -- > Andriy Gapon > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >