From owner-freebsd-fs@FreeBSD.ORG Thu Dec 5 16:58:16 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 427AE935 for ; Thu, 5 Dec 2013 16:58:16 +0000 (UTC) Received: from pi.nmdps.net (pi.nmdps.net [IPv6:2a01:be00:10:201:0:80:0:1]) by mx1.freebsd.org (Postfix) with ESMTP id F1FE31AA0 for ; Thu, 5 Dec 2013 16:58:15 +0000 (UTC) Received: from pi.nmdps.net (localhost [127.0.0.1]) (Authenticated sender: krichy@cflinux.hu) by pi.nmdps.net (Postfix) with ESMTPSA id BA1B116FC; Thu, 5 Dec 2013 17:58:14 +0100 (CET) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Thu, 05 Dec 2013 17:58:12 +0100 From: krichy@cflinux.hu To: Richard Kojedzinszky Subject: Re: zfs deadlock In-Reply-To: References: Message-ID: <1bba4880cdf3fde1a37d0484c58dc386@cflinux.hu> X-Sender: krichy@cflinux.hu User-Agent: Roundcube Webmail/0.9.5 Cc: freebsd-fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Dec 2013 16:58:16 -0000 Dear fs devs, I've found that in stable/10 there is a commit cb9e583d86990eba0d5af8913cdbbb20da5b2c9e which seems to fix a deadlock for sending mounted snapshots. Maybe I've hit that bug. Is that patch suitable for 9.2 releng? Will it enter 9/stable? Thanks in advance, 2013-12-05 15:56 időpontban Richard Kojedzinszky ezt írta: > Dear fs devs, > > We have a freenas server, which is basicaly a freebsd. I was trying to > look at snapshots using ls .zfs/snapshot/. > > When I issued it, the system entered a deadlock. An NFSD was running, > a zfs send was running when I issued the command. > > I attached to command outputs while the system was in a deadlock > state. I tried to issue > # reboot -q > But that did not restart the system. After a while (5-10 minutes) the > system rebooted, I dont know if the deadman caused that. > > Now the system is up and running. > > It is basically a freebsd 9.2 kernel. > > Do someone has a clue? > > Kojedzinszky Richard