From owner-freebsd-questions@FreeBSD.ORG Sun Mar 25 00:19:17 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id BE56616A400 for ; Sun, 25 Mar 2007 00:19:17 +0000 (UTC) (envelope-from erikt@midgard.homeip.net) Received: from ch-smtp01.sth.basefarm.net (ch-smtp01.sth.basefarm.net [80.76.149.212]) by mx1.freebsd.org (Postfix) with ESMTP id 4C04B13C48C for ; Sun, 25 Mar 2007 00:19:17 +0000 (UTC) (envelope-from erikt@midgard.homeip.net) Received: from c83-253-10-135.bredband.comhem.se ([83.253.10.135]:62691 helo=falcon.midgard.homeip.net) by ch-smtp01.sth.basefarm.net with smtp (Exim 4.63) (envelope-from ) id 1HVGS4-0001DH-3y for freebsd-questions@freebsd.org; Sun, 25 Mar 2007 01:19:16 +0100 Received: (qmail 4644 invoked from network); 25 Mar 2007 01:19:13 +0100 Received: from owl.midgard.homeip.net (10.1.5.7) by falcon.midgard.homeip.net with SMTP; 25 Mar 2007 01:19:13 +0100 Received: (qmail 97166 invoked by uid 1001); 25 Mar 2007 01:19:13 +0100 Date: Sun, 25 Mar 2007 01:19:13 +0100 From: Erik Trulsson To: alex@schnarff.com Message-ID: <20070325001913.GA97130@owl.midgard.homeip.net> Mail-Followup-To: alex@schnarff.com, freebsd-questions@freebsd.org References: <8cb6106e0703241624j1cf617acpe18c6e6e9a1e77cb@mail.gmail.com> <20070324193543.vfbqbfcwjs484os0@mail.schnarff.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070324193543.vfbqbfcwjs484os0@mail.schnarff.com> User-Agent: Mutt/1.5.14 (2007-02-12) X-ACL-Warn: Too high rate of unknown addresses received from you X-Scan-Result: No virus found in message 1HVGS4-0001DH-3y. X-Scan-Signature: ch-smtp01.sth.basefarm.net 1HVGS4-0001DH-3y 2c9408ca907e5700f54f61200ffed4d5 Cc: freebsd-questions@freebsd.org Subject: Re: IRQ storm X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Mar 2007 00:19:17 -0000 On Sat, Mar 24, 2007 at 07:35:43PM -0400, alex@schnarff.com wrote: > >>I've changed motherboard recently (now it is Intel DP965LT) and now I > >>have my PC slowed down considerably. vmstat -i shows a huge amount of > >>interrupts on irq17: atapci0: > > > >Do you have atapicam enabled or being loaded as a module? If so, I > >have the same problem, which is currently being tracked in this PR: > > > >http://www.freebsd.org/cgi/query-pr.cgi?pr=103602 > > > >A workaround, if you don't need/want to burn cds/dvds is to remove > >atapicam or don't load the module at boot time. > > > >Thanks, > >Josh > > OK, I know it's probably bad form to reply to a message with a > question...but I saw this, ran vmstat -i, and found what appears to be > a huge number of interrupts going on: > > alex@tms: /usr/local/www/data-dist/arctic$ vmstat -i > interrupt total rate > irq1: atkbd0 422 0 > irq6: fdc0 10 0 > irq8: rtc 241113447 127 > irq12: psm0 9 0 > irq13: npx0 1 0 > irq14: ata0 46 0 > irq19: atapci1 11758285 6 > irq21: fxp0 16485189 8 > irq22: ahc0 3623514 1 > irq0: clk 188371666 99 > Total 461352589 244 The 'rate' column is the average number of interrupts per second since the system started. None of those look particularly large. In fact they look extremely ordinary and unremarkable in all ways. -- Erik Trulsson ertr1013@student.uu.se