From owner-freebsd-acpi@FreeBSD.ORG Mon Jul 9 21:29:39 2007 Return-Path: X-Original-To: freebsd-acpi@freebsd.org Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 77E2A16A475 for ; Mon, 9 Jul 2007 21:29:39 +0000 (UTC) (envelope-from nate@root.org) Received: from root.org (root.org [67.118.192.226]) by mx1.freebsd.org (Postfix) with ESMTP id 4311513C489 for ; Mon, 9 Jul 2007 21:29:39 +0000 (UTC) (envelope-from nate@root.org) Received: (qmail 11649 invoked from network); 9 Jul 2007 21:29:39 -0000 Received: from ppp-71-139-42-13.dsl.snfc21.pacbell.net (HELO ?10.0.5.18?) (nate-mail@71.139.42.13) by root.org with ESMTPA; 9 Jul 2007 21:29:39 -0000 Message-ID: <4692A8B9.6000108@root.org> Date: Mon, 09 Jul 2007 14:29:29 -0700 From: Nate Lawson User-Agent: Thunderbird 2.0.0.4 (X11/20070617) MIME-Version: 1.0 To: John Baldwin References: <1387899022.20070706140143@mixey.spb.ru> <200707091414.36956.jhb@freebsd.org> In-Reply-To: <200707091414.36956.jhb@freebsd.org> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: 8bit Cc: =?windows-1251?Q?=CC=E8=F5=E0=E8=EB_=CA=F3?=, freebsd-acpi@freebsd.org Subject: Re: Asus P5W DH Deluxe APIC/SMP IRQ problem X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Jul 2007 21:29:39 -0000 John Baldwin wrote: > On Friday 06 July 2007 06:01:43 am Михаил Кучин wrote: >> Hi people! >> >> Sorry for my bad english. Writing for the first time. I am searching help >> =) >> >> My OS: >> FreeBSD 6.2-RELEASE >> >> Hardware: >> Asus P5W DH Deluxe MB (ICH7 Chipset) >> Intel Core 2 Duo CPU (6700) >> Integrated Netw Card (Marvell Yukon 88E8053 based Ethernet Controller) >> S3 Trio PCI Video Card (very-very old) >> >> Problem: >> 40% of CPU is occupied by interrupts, in some cases (I tried many >> ways of solving), I have "Interrupt storm detected" message. >> >> atapci2 (see vmstat), as I understand, occupies CPU. Here is my RAID1 > controller with >> 400G Samsung Disks and other ICH7 stuff. >> >> I tried to change in BIOS everything, disable everything, re-plug vga >> card, unplug some RAM. BIOS is fresh: a week ago release. Tried 3 >> different versions. > > Try turning off various device drivers (like myk) to see if you can get the > interrupt storm on IRQ 23 to go away. It is likely a bug in interrupt > routing in your BIOS, but you can use a tunable to work around it, you just > need to figure out which _other_ PCI device (not atapci2) is sending its > interrupts to IRQ 23 rather than the IRQ the BIOS told the OS. > I've noticed it's hard to find all the devices on a given irq with vmstat -i, especially if a lot are sharing one. I guess dmesg | grep "irq 23" is the only way? -- Nate