From owner-freebsd-stable@freebsd.org Tue Feb 2 12:52:45 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 191EFA76E1F for ; Tue, 2 Feb 2016 12:52:45 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 9115913E5 for ; Tue, 2 Feb 2016 12:52:44 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id u12Cqcv1079064 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Tue, 2 Feb 2016 14:52:38 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua u12Cqcv1079064 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id u12CqbYv079063; Tue, 2 Feb 2016 14:52:37 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 2 Feb 2016 14:52:37 +0200 From: Konstantin Belousov To: Hajimu UMEMOTO Cc: Steven Hartland , freebsd-stable@freebsd.org Subject: Re: 10-STABLE hangups frequently Message-ID: <20160202125237.GS91220@kib.kiev.ua> References: <56B06EB9.2090406@multiplay.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 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, 02 Feb 2016 12:52:45 -0000 On Tue, Feb 02, 2016 at 06:28:58PM +0900, Hajimu UMEMOTO wrote: > Hi, > > >>>>> On Tue, 2 Feb 2016 08:54:17 +0000 > >>>>> Steven Hartland said: > > killing> Some more information about your enviroment would be helpful: > killing> 1. What revision of stable/10 are you running? > > It occurs on r292895 and later. > > killing> 2. What workloads are you running? > > Apache, Cyrus IMAPd, BIND and mpd5. However, traffic is almost > nothing without running the periodic daily scripts. > > killing> 3. What's the output of procstat -k -k when this happens (assuming its > killing> possible to run)? > > I could not get it. > > killing> 4. What's the output of sysctl -a |grep vnode, usually and when this > killing> happens? > > The following is usual case: > > kern.maxvnodes: 400000 > kern.minvnodes: 100000 > Syncing disks, vnodes remaining...0 0 0 0 0 done > Syncing disks, vnodes remaining...0 0 0 0 0 0 done > vm.stats.vm.v_vnodepgsout: 129 > vm.stats.vm.v_vnodepgsin: 836656 > vm.stats.vm.v_vnodeout: 101 > vm.stats.vm.v_vnodein: 90562 > vfs.freevnodes: 39680 > vfs.wantfreevnodes: 100000 > vfs.vnodes_created: 141735 > vfs.numvnodes: 59118 > debug.sizeof.vnode: 472 Please gather the information listed at https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html