From owner-freebsd-current@FreeBSD.ORG Tue Apr 5 15:11:33 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E955E16A4E7 for ; Tue, 5 Apr 2005 15:11:33 +0000 (GMT) Received: from mail21.sea5.speakeasy.net (mail21.sea5.speakeasy.net [69.17.117.23]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8415B43D48 for ; Tue, 5 Apr 2005 15:11:33 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 1837 invoked from network); 5 Apr 2005 15:11:33 -0000 Received: from server.baldwin.cx ([216.27.160.63]) (envelope-sender )AES256-SHA encrypted SMTP for ; 5 Apr 2005 15:11:32 -0000 Received: from [10.50.41.231] (gw1.twc.weather.com [216.133.140.1]) (authenticated bits=0) by server.baldwin.cx (8.13.1/8.13.1) with ESMTP id j35FB3gg065755; Tue, 5 Apr 2005 11:11:21 -0400 (EDT) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: freebsd-current@FreeBSD.org Date: Tue, 5 Apr 2005 10:32:41 -0400 User-Agent: KMail/1.6.2 References: <200503291335.33385.jkim@niksun.com> <20050330162251.GA13437@stud.fit.vutbr.cz> In-Reply-To: <20050330162251.GA13437@stud.fit.vutbr.cz> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Message-Id: <200504051032.41344.jhb@FreeBSD.org> X-Spam-Status: No, score=-102.8 required=4.2 tests=ALL_TRUSTED, USER_IN_WHITELIST autolearn=failed version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on server.baldwin.cx cc: Divacky Roman cc: Dan Cojocar cc: Jung-uk Kim Subject: Re: Interrupt storm X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Tue, 05 Apr 2005 15:11:34 -0000 On Wednesday 30 March 2005 11:22 am, Divacky Roman wrote: > On Tue, Mar 29, 2005 at 01:35:33PM -0500, Jung-uk Kim wrote: > > On Tuesday 29 March 2005 01:22 pm, Dan Cojocar wrote: > > > Hello all, > > > > > > I noticed the following interrupt storm in my dmesg: > > > > > > Interrupt storm detected on "irq11: rl1"; throttling interrupt > > > source Interrupt storm detected on "irq5: rl0"; throttling > > > interrupt source > > > > > > Here is my vmstat -i: > > > interrupt total rate > > > irq0: clk 128600 199 > > > irq1: atkbd0 2499 3 > > > irq4: sio0 2 0 > > > irq5: rl0 128901 200 > > > irq8: rtc 82294 127 > > > irq11: rl1 128902 200 > > > irq12: psm0 16152 25 > > > irq14: ata0 12600 19 > > > irq15: ata1 71 0 > > > Total 500021 776 > > > > > > and here is my dmesg: > > > http://cs.ubbcluj.ro/~dan/dmesg.txt > > > > > > I have options DEVICE_POLLING and options HZ=200, i have tested > > > with greater HZ values like 1000, and without DEVICE_POLLING but i > > > have the same storm. > > > > Try this: > > > > http://docs.freebsd.org/cgi/mid.cgi?200503161154.04555.jkim > > as this points to my posts... > > my problem is not the interrupt storm, but that I dont have assigned irq > for keyboard (which makes it slow I think). > > and this is clear regression because in 5.3R it worked ;( > > where should I look (in sources) what changed? I am not very skilled with > this lowlevel stuff but I am able and willing to try to hunt this down. > > thnx for reply ukbd0 doesn't get IRQs. USB host controllers like uhci0 and ohci0 get IRQs, but not the devices attached to the bus. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org