From owner-freebsd-fs@FreeBSD.ORG Fri Mar 12 08:10:45 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BA2E2106567A; Fri, 12 Mar 2010 08:10:45 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from mail.ebusiness-leidinger.de (mail.ebusiness-leidinger.de [217.11.53.44]) by mx1.freebsd.org (Postfix) with ESMTP id 3E6EC8FC13; Fri, 12 Mar 2010 08:10:45 +0000 (UTC) Received: from outgoing.leidinger.net (pD9E2D538.dip.t-dialin.net [217.226.213.56]) by mail.ebusiness-leidinger.de (Postfix) with ESMTPSA id 434288453C9; Fri, 12 Mar 2010 09:10:39 +0100 (CET) Received: from webmail.leidinger.net (webmail.leidinger.net [192.168.1.102]) by outgoing.leidinger.net (Postfix) with ESMTP id AB6A654CE; Fri, 12 Mar 2010 09:10:35 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=Leidinger.net; s=outgoing-alex; t=1268381435; bh=ztVDoIz8rrYJYFhIrv+VOWSa+dq8hHAR593pDFwMG/Q=; h=Message-ID:Date:From:To:Cc:Subject:References:In-Reply-To: MIME-Version:Content-Type:Content-Transfer-Encoding; b=Rq8NA3leV7MKGmhZAC2eaOzyT8/RGzuq4X0JUrVxDYxVU7ia6ML/f+CDpwN35jGRX D2lkIMc8GwdgIH75ZsmChI+JOWU5Sjd1mFJTyMoKazdVOh7SCEuJR0ERhV7+kNGdDM qHRtXzM+vN+oz5UDxBytIHMTm3oMqRY2qcfAQnR2YcZW9ebSw+ia8w4qo4MYGlzAyd 7ZV1CgH/jNrYUoA5KRXG7w71PXfAM2LXKwOYKJtLCE5DiT2uP39YVuXCcuFsgvl8uL GJFHsS7Ha8ElcCS4dW5yzW+QlfIEK+5vCUz9OXUd3c6jiJQddfoKwndvcjTkprkjjk NzFPXLLcBaHQQ== Received: (from www@localhost) by webmail.leidinger.net (8.14.3/8.13.8/Submit) id o2C8AZZf093080; Fri, 12 Mar 2010 09:10:35 +0100 (CET) (envelope-from Alexander@Leidinger.net) Received: from pslux.cec.eu.int (pslux.cec.eu.int [158.169.9.14]) by webmail.leidinger.net (Horde Framework) with HTTP; Fri, 12 Mar 2010 09:10:35 +0100 Message-ID: <20100312091035.961823cwec0rxijo@webmail.leidinger.net> Date: Fri, 12 Mar 2010 09:10:35 +0100 From: Alexander Leidinger To: Borja Marcos References: <864468D4-DCE9-493B-9280-00E5FAB2A05C@lassitu.de> <20100309122954.GE3155@garage.freebsd.pl> <20100309125815.GF3155@garage.freebsd.pl> <20100310110202.GA1715@garage.freebsd.pl> <20100310173143.GD1715@garage.freebsd.pl> <20100311084527.2934034895hvgxaw@webmail.leidinger.net> <764BD545-B86C-47DC-9004-964EB2216AF0@sarenet.es> <20100311150822.107231cvjvgs9gsg@webmail.leidinger.net> <35ADB9B1-F571-4EE4-9089-5363ACEBE159@sarenet.es> In-Reply-To: <35ADB9B1-F571-4EE4-9089-5363ACEBE159@sarenet.es> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: 7bit User-Agent: Dynamic Internet Messaging Program (DIMP) H3 (1.1.4) X-EBL-MailScanner-Information: Please contact the ISP for more information X-EBL-MailScanner-ID: 434288453C9.E4D6B X-EBL-MailScanner: Found to be clean X-EBL-MailScanner-SpamCheck: not spam, spamhaus-ZEN, SpamAssassin (not cached, score=-1.363, required 6, autolearn=disabled, ALL_TRUSTED -1.44, DKIM_SIGNED 0.00, DKIM_VERIFIED -0.00, TW_ZF 0.08) X-EBL-MailScanner-From: alexander@leidinger.net X-EBL-MailScanner-Watermark: 1268986240.38003@u8CKQTup46wL395ZMBCtEw X-EBL-Spam-Status: No Cc: freebsd-fs@FreeBSD.org, Pawel Jakub Dawidek , FreeBSD@FreeBSD.org, Stable Subject: Re: Many processes stuck in zfs X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Mar 2010 08:10:45 -0000 Quoting Borja Marcos (from Thu, 11 Mar 2010 18:26:09 +0100): > Of course CPUs have bugs, I don't doubt it. I was just wondering how > I coud reproduce the problem with a different hardware :) That's why > I said it was unlikely. > > Besides, such a low level fault should produce many more problems > than such a well defined failure mode, as far as I know. In my case I had a 7.1 system which was running fine. After updating to 7.2 I got deadlocks after some minutes with UFS. Switching to ZFS for the main data partition extended the lifetime to 3-4 hours. After updating ZFS in 7-stable with the code from 8-stable this was extended to 6 hours (periodic daily triggered the problem faster), and after switching to exclusive locks instead of shared locks in ZFS the system survived a night with several jails running periodic daily (but I had to reboot in the morning because apache was not able to serve data anymore). Everything else was working correctly. I would say this was a very narrow problem case. Bye, Alexander. -- Adult, n.: One old enough to know better. http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137