From owner-freebsd-fs@FreeBSD.ORG Thu Jul 4 14:02:28 2013 Return-Path: Delivered-To: freebsd-fs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 29B8DBFD for ; Thu, 4 Jul 2013 14:02:28 +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 76C2117F5 for ; Thu, 4 Jul 2013 14:02:27 +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 RAA10693; Thu, 04 Jul 2013 17:02:24 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1Uuk75-000ElU-MX; Thu, 04 Jul 2013 17:02:23 +0300 Message-ID: <51D5804B.7090702@FreeBSD.org> Date: Thu, 04 Jul 2013 17:01:47 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130405 Thunderbird/17.0.5 MIME-Version: 1.0 To: Travis Mikalson Subject: Re: Report: ZFS deadlock in 9-STABLE References: <51D45401.5050801@terranova.net> <51D5776F.5060101@FreeBSD.org> <51D57C19.1080906@terranova.net> In-Reply-To: <51D57C19.1080906@terranova.net> X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-fs@FreeBSD.org 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: Thu, 04 Jul 2013 14:02:28 -0000 on 04/07/2013 16:43 Travis Mikalson said the following: > Yes, that helpful article is where I got the run-down on how best to > report what was going on here. I still believe this is an actual > deadlock bug and not a storage layer issue. > > I have not seen any indications of any problems with my storage layer. > You'd think there would be some scary-looking complaint on the console > during one of these deadlocks if it had suddenly lost the capability to > communicate with most or all the disks, but I've deadlocked at least 10 > times now in 2013 and never anything of the sort. Thanks to IPMI, I have > actually viewed the console each time it has happened. Well, I do consider GEOM, CAM, drivers to be parts of the storage layer. In other words, everything below ZFS. -- Andriy Gapon