From owner-freebsd-stable@FreeBSD.ORG Tue Jan 29 22:44:40 2013 Return-Path: Delivered-To: stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 2DEED1B3; Tue, 29 Jan 2013 22:44:40 +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 0C9D6D02; Tue, 29 Jan 2013 22:44:38 +0000 (UTC) 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 AAA18871; Wed, 30 Jan 2013 00:44:36 +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 1U0Juu-000N0J-6s; Wed, 30 Jan 2013 00:44:36 +0200 Message-ID: <510850D1.3090700@FreeBSD.org> Date: Wed, 30 Jan 2013 00:44:33 +0200 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130121 Thunderbird/17.0.2 MIME-Version: 1.0 To: Hiroki Sato Subject: Re: NFS-exported ZFS instability References: <1914428061.1617223.1357133079421.JavaMail.root@erie.cs.uoguelph.ca> <20130102174044.GB82219@kib.kiev.ua> <20130104.023244.472910818423317661.hrs@allbsd.org> <20130130.064459.2572086065267072.hrs@allbsd.org> In-Reply-To: <20130130.064459.2572086065267072.hrs@allbsd.org> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kostikbel@gmail.com, alc@FreeBSD.org, stable@FreeBSD.org, rmacklem@uoguelph.ca X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Jan 2013 22:44:40 -0000 on 29/01/2013 23:44 Hiroki Sato said the following: > http://people.allbsd.org/~hrs/FreeBSD/pool-20130130.txt > http://people.allbsd.org/~hrs/FreeBSD/pool-20130130-info.txt I recognize here a ZFS ARC deadlock that should have been prevented by r241773 and its MFCs (r242858 for 9, r242859 for 8). See tid 100153 (arc reclaim thread), tid 100105 (pagedaemon) and tid 100639 (nfsd in kmem_back). -- Andriy Gapon