From owner-freebsd-fs@FreeBSD.ORG Wed Oct 17 14:35:53 2012 Return-Path: Delivered-To: freebsd-fs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 83EB0CB9 for ; Wed, 17 Oct 2012 14:35:53 +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 C8A4B8FC16 for ; Wed, 17 Oct 2012 14:35:52 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id RAA06786; Wed, 17 Oct 2012 17:35:47 +0300 (EEST) (envelope-from avg@FreeBSD.org) Message-ID: <507EC242.1070809@FreeBSD.org> Date: Wed, 17 Oct 2012 17:35:46 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:16.0) Gecko/20121012 Thunderbird/16.0.1 MIME-Version: 1.0 To: Nikolay Denev Subject: Re: I have a DDB session open to a crashed ZFS server References: <1350317019.71982.50.camel@btw.pki2.com> <201210160844.41042.jhb@freebsd.org> <1350400597.72003.32.camel@btw.pki2.com> <201210161215.33369.jhb@freebsd.org> <507D8B69.3090903@FreeBSD.org> <0B0CA833-79FA-4C8E-86AC-828E7947FF67@gmail.com> In-Reply-To: <0B0CA833-79FA-4C8E-86AC-828E7947FF67@gmail.com> X-Enigmail-Version: 1.4.5 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: freebsd-fs@FreeBSD.org, dg17@penx.com, Dennis Glatting X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Oct 2012 14:35:53 -0000 on 17/10/2012 10:04 Nikolay Denev said the following: > I'm running with the patch from here : http://thread.gmane.org/gmane.os.freebsd.devel.file-systems/16000/focus=16017 > And there were no deadlocks since it's applied. > If you're hitting the same issue as I was, this should help. I am going to commit that change soon-ish, if nobody expressly objects to it. BTW, Nikolay, is your system (that used to deadlock) amd64? Could you please capture 'sysctl vm | fgrep kmem' output when it is under load? -- Andriy Gapon