From owner-freebsd-stable@FreeBSD.ORG Sat Jun 24 19:42:47 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4BE2616A492 for ; Sat, 24 Jun 2006 19:42:47 +0000 (UTC) (envelope-from scrappy@hub.org) Received: from hub.org (hub.org [200.46.204.220]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4401443D48 for ; Sat, 24 Jun 2006 19:42:45 +0000 (GMT) (envelope-from scrappy@hub.org) Received: from localhost (mx1.hub.org [200.46.208.251]) by hub.org (Postfix) with ESMTP id 536FF290C6D; Sat, 24 Jun 2006 16:42:42 -0300 (ADT) Received: from hub.org ([200.46.204.220]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 51676-02; Sat, 24 Jun 2006 16:42:44 -0300 (ADT) Received: from ganymede.hub.org (blk-7-151-244.eastlink.ca [71.7.151.244]) by hub.org (Postfix) with ESMTP id D6D5F290C2B; Sat, 24 Jun 2006 16:42:41 -0300 (ADT) Received: by ganymede.hub.org (Postfix, from userid 1000) id 46D9A48F4F; Sat, 24 Jun 2006 16:42:45 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id 406A24865B; Sat, 24 Jun 2006 16:42:45 -0300 (ADT) Date: Sat, 24 Jun 2006 16:42:45 -0300 (ADT) From: "Marc G. Fournier" To: Kostik Belousov In-Reply-To: <20060624185203.GC79678@deviant.kiev.zoral.com.ua> Message-ID: <20060624163845.L1114@ganymede.hub.org> References: <20060623172557.H1114@ganymede.hub.org> <261AD16B-C3FE-4671-996E-563053508CE8@mac.com> <20060624022227.X1114@ganymede.hub.org> <20060624115505.E14669@woozle.rinet.ru> <20060624090656.GB79678@deviant.kiev.zoral.com.ua> <20060624145432.A1114@ganymede.hub.org> <20060624185203.GC79678@deviant.kiev.zoral.com.ua> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-stable@freebsd.org, Dmitry Morozovsky Subject: Re: vmstat 'b' (disk busy?) field keeps climbing ... X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Jun 2006 19:42:47 -0000 On Sat, 24 Jun 2006, Kostik Belousov wrote: > 2. 2 Giant holders/lockers. Is it constant ? Are the processes holding/waiting > for Giant are the same ? Mostly appears to be 'clock' ... pluto# ps axlww | grep Giant | grep -v grep 0 12 0 0 -32 0 0 8 Giant LL ?? 3:07.03 [swi4: clock] pluto# ps axlww | grep Giant | grep -v grep 0 12 0 0 -32 0 0 8 Giant LL ?? 3:07.03 [swi4: clock] pluto# ps axlww | grep Giant | grep -v grep 0 12 0 0 -32 0 0 8 Giant LL ?? 3:07.03 [swi4: clock] pluto# ps axlww | grep Giant | grep -v grep pluto# ps axlww | grep Giant | grep -v grep 0 12 0 0 -32 0 0 8 Giant LL ?? 3:07.03 [swi4: clock] pluto# ps axlww | grep Giant | grep -v grep pluto# ps axlww | grep Giant | grep -v grep 0 12 0 0 -32 0 0 8 Giant LL ?? 3:07.03 [swi4: clock] pluto# ps axlww | grep Giant | grep -v grep pluto# ps axlww | grep Giant | grep -v grep 0 92517 46540 114 110 0 5032 2412 Giant LV+ p4 0:00.00 -csh (csh) pluto# ps axlww | grep Giant | grep -v grep 0 12 0 0 -32 0 0 8 Giant LL ?? 3:07.04 [swi4: clock] 1001 14098 1 0 96 0 3308 1324 Giant LsJ ?? 0:04.98 /usr/local/libexec/postfix/master pluto# ps axlww | grep Giant | grep -v grep pluto# ps axlww | grep Giant | grep -v grep 0 12 0 0 -32 0 0 8 Giant LL ?? 3:07.04 [swi4: clock] pluto# ps axlww | grep Giant | grep -v grep pluto# And I suspect that the master is disk i/o, since the iir driver is listed as still GIANT-LOCKED: iir0: mem 0xfc8f0000-0xfc8f3fff irq 30 at device 9.0 on pci1 iir0: [GIANT-LOCKED] > Ah, and does dmesg show anything ? Anything (other then the iir driver) that I'd be looking for in there? Or could that be what is compounding the problem? Too many things trying to acquire GIANT over the drive(s), creating a deadlock? Long shot there ... ? ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . scrappy@hub.org MSN . scrappy@hub.org Yahoo . yscrappy Skype: hub.org ICQ . 7615664