From owner-freebsd-stable@FreeBSD.ORG Tue Mar 9 14:18:47 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A0F5C1065673; Tue, 9 Mar 2010 14:18:47 +0000 (UTC) (envelope-from borjam@sarenet.es) Received: from proxypop2.sarenet.es (proxypop2.sarenet.es [194.30.0.95]) by mx1.freebsd.org (Postfix) with ESMTP id 63AD98FC23; Tue, 9 Mar 2010 14:18:47 +0000 (UTC) Received: from [172.16.1.204] (unknown [192.148.167.2]) by proxypop2.sarenet.es (Postfix) with ESMTP id 4E485732EF; Tue, 9 Mar 2010 15:18:46 +0100 (CET) Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: text/plain; charset=us-ascii From: Borja Marcos In-Reply-To: <20100309125815.GF3155@garage.freebsd.pl> Date: Tue, 9 Mar 2010 15:18:45 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: References: <864468D4-DCE9-493B-9280-00E5FAB2A05C@lassitu.de> <20100309122954.GE3155@garage.freebsd.pl> <20100309125815.GF3155@garage.freebsd.pl> To: Pawel Jakub Dawidek X-Mailer: Apple Mail (2.1077) Cc: FreeBSD Stable , Stefan Bethke Subject: Re: Many processes stuck in zfs X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 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, 09 Mar 2010 14:18:47 -0000 On Mar 9, 2010, at 1:58 PM, Pawel Jakub Dawidek wrote: >>> What kind of hardware do you have there? There is 3-way deadlock = I've a >>> fix for which would be hard to trigger on single or dual core = machines. >>>=20 >>> Feel free to try the fix: >>>=20 >>> http://people.freebsd.org/~pjd/patches/zfs_3way_deadlock.patch >>=20 >> Maybe related to the deadlock I reported when I was receiving an = incremental snapshot while the target dataset was being read? >=20 > Could be. This deadlock is in general related to zfs recv = functionality. Aye aye, Sir set fingers -position crossed testing :) Borja