From owner-freebsd-current@FreeBSD.ORG Sat Jul 17 18:04:49 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 B7C3E1065745 for ; Sat, 17 Jul 2010 18:04:49 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from mail2.fluidhosting.com (mx21.fluidhosting.com [204.14.89.4]) by mx1.freebsd.org (Postfix) with ESMTP id 3EC208FC18 for ; Sat, 17 Jul 2010 18:04:47 +0000 (UTC) Received: (qmail 3849 invoked by uid 399); 17 Jul 2010 18:04:47 -0000 Received: from localhost (HELO laptop.dougb.net) (dougb@dougbarton.us@127.0.0.1) by localhost with ESMTPAM; 17 Jul 2010 18:04:47 -0000 X-Originating-IP: 127.0.0.1 X-Sender: dougb@dougbarton.us Date: Sat, 17 Jul 2010 11:04:44 -0700 (PDT) From: Doug Barton To: Rui Paulo In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) X-message-flag: Outlook -- Not just for spreading viruses anymore! OpenPGP: id=1A1ABC84 Organization: http://SupersetSolutions.com/ MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-current@FreeBSD.org Subject: Re: Why is intr taking up so much cpu? 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: Sat, 17 Jul 2010 18:04:49 -0000 On Sat, 17 Jul 2010, Rui Paulo wrote: > > On 17 Jul 2010, at 08:17, Doug Barton wrote: > >> This is happening after I open a flash video in firefox and watch it for >>> 15 minutes: >> >> root 20 -80 - 0K 160K WAIT 0 3:38 14.08% intr >> >> After this happens, my system goes into a death spiral and I have to shut it down. >> >> vmstat -i >> interrupt total rate >> irq1: atkbd0 10384 0 >> irq9: acpi0 5 0 >> irq14: ata0 153410 7 >> irq15: ata1 58 0 >> irq17: wpi0 534038 27 >> irq20: hpet0 uhci0+ 2496833 129 >> irq22: uhci2 66485 3 >> cpu0:timer 19238037 999 >> irq256: hdac0 189713 9 >> cpu1:timer 19236431 999 >> Total 41925394 2178 >> >> >> Any suggestions? current (r210135), i386 smp. Dell C2D laptop. > > What's vmstat -i before the event happens? Here is the output after a clean boot: interrupt total rate irq1: atkbd0 424 4 irq9: acpi0 2 0 irq14: ata0 3266 30 irq15: ata1 58 0 irq17: wpi0 2012 18 irq20: hpet0 uhci0+ 13763 129 irq22: uhci2 16 0 cpu0:timer 105150 991 irq256: hdac0 10 0 cpu1:timer 103716 978 Total 228417 2154 Thanks for the response, Doug -- Improve the effectiveness of your Internet presence with a domain name makeover! http://SupersetSolutions.com/ Computers are useless. They can only give you answers. -- Pablo Picasso