From owner-freebsd-stable@FreeBSD.ORG Tue Jan 29 23:06:29 2013 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id CC3B98B1; Tue, 29 Jan 2013 23:06:29 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from esa-jnhn.mail.uoguelph.ca (esa-jnhn.mail.uoguelph.ca [131.104.91.44]) by mx1.freebsd.org (Postfix) with ESMTP id 4E20BE0E; Tue, 29 Jan 2013 23:06:28 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqAEAJZUCFGDaFvO/2dsb2JhbABEFoYwuFVzgh4BAQQBI1YFFg4KAgINGQJZBogeBgyuU4JAkCiBI45TgRMDiGGNLIEcjy+DFYIG X-IronPort-AV: E=Sophos;i="4.84,562,1355115600"; d="scan'208";a="14162325" Received: from erie.cs.uoguelph.ca (HELO zcs3.mail.uoguelph.ca) ([131.104.91.206]) by esa-jnhn.mail.uoguelph.ca with ESMTP; 29 Jan 2013 18:06:28 -0500 Received: from zcs3.mail.uoguelph.ca (localhost.localdomain [127.0.0.1]) by zcs3.mail.uoguelph.ca (Postfix) with ESMTP id 19E03B3EEA; Tue, 29 Jan 2013 18:06:28 -0500 (EST) Date: Tue, 29 Jan 2013 18:06:28 -0500 (EST) From: Rick Macklem To: Andriy Gapon Message-ID: <1716447362.2485682.1359500788054.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <510850D1.3090700@FreeBSD.org> Subject: Re: NFS-exported ZFS instability MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [172.17.91.201] X-Mailer: Zimbra 6.0.10_GA_2692 (ZimbraWebClient - FF3.0 (Win)/6.0.10_GA_2692) Cc: kostikbel@gmail.com, alc@FreeBSD.org, stable@FreeBSD.org 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 23:06:29 -0000 Andriy Gapon wrote: > 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). > Unfortunately, pool-20130130-info.txt shows a kernel built from r244417, unless I somehow misread it. rick > See tid 100153 (arc reclaim thread), tid 100105 (pagedaemon) and tid > 100639 > (nfsd in kmem_back). > > -- > Andriy Gapon