From owner-freebsd-current@FreeBSD.ORG Wed Jul 14 09:26:11 2010 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3C1E0106566C for ; Wed, 14 Jul 2010 09:26:11 +0000 (UTC) (envelope-from mm@FreeBSD.org) Received: from mail.vx.sk (core.vx.sk [188.40.32.143]) by mx1.freebsd.org (Postfix) with ESMTP id B8ED88FC16 for ; Wed, 14 Jul 2010 09:26:10 +0000 (UTC) Received: from core.vx.sk (localhost [127.0.0.1]) by mail.vx.sk (Postfix) with ESMTP id B9FDE102AA1; Wed, 14 Jul 2010 11:26:09 +0200 (CEST) X-Virus-Scanned: amavisd-new at mail.vx.sk Received: from mail.vx.sk ([127.0.0.1]) by core.vx.sk (mail.vx.sk [127.0.0.1]) (amavisd-new, port 10024) with LMTP id qnLISuDFrupv; Wed, 14 Jul 2010 11:26:07 +0200 (CEST) Received: from [10.9.8.1] (188-167-78-139.dynamic.chello.sk [188.167.78.139]) by mail.vx.sk (Postfix) with ESMTPSA id 2A722102A9A; Wed, 14 Jul 2010 11:26:07 +0200 (CEST) Message-ID: <4C3D82B0.1010907@FreeBSD.org> Date: Wed, 14 Jul 2010 11:26:08 +0200 From: Martin Matuska User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; sk; rv:1.8.1.23) Gecko/20090812 Lightning/0.9 Thunderbird/2.0.0.23 Mnenhy/0.7.5.0 MIME-Version: 1.0 To: Peter Jeremy References: <4C31C71C.2010606@FreeBSD.org> <20100708200446.GA33822@server.vk2pj.dyndns.org> <4C364379.6020608@FreeBSD.org> <20100714001423.GA92530@server.vk2pj.dyndns.org> <4C3D6439.3010702@FreeBSD.org> <20100714082346.GA95442@server.vk2pj.dyndns.org> In-Reply-To: <20100714082346.GA95442@server.vk2pj.dyndns.org> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=windows-1250 Content-Transfer-Encoding: 8bit Cc: freebsd-current@FreeBSD.org Subject: Re: [CFT] ZFS v15 patch (version 3) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Jul 2010 09:26:11 -0000 In other words: The problem is not caused by head-12636.patch And this is important, otherwise we are seeking for an error where it isn't. I know about the current ARC problem and we have to seek a reasonable solution for it, but no ugly hacks that work only in specific cases / workloads. Dňa 14. 7. 2010 10:23, Peter Jeremy wrote / napísal(a): > On 2010-Jul-14 09:16:09 +0200, Martin Matuska wrote: >> Without head-12636.patch you are unable to reproduce the deadlock? > The deadlock occurs with either stock 8-stable or with head-12636.patch. > > I have also been testing arc.patch2 from > http://lists.freebsd.org/pipermail/freebsd-stable/2010-July/057696.html > I am unable to reproduce the deadlock when using the combination of > arc.patch2 and head-12636.patch but have not yet tested arc.patch2 alone. >