From owner-freebsd-current@FreeBSD.ORG Fri May 6 15:46:54 2011 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 68DFF1065670 for ; Fri, 6 May 2011 15:46:54 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1-6.sentex.ca [IPv6:2607:f3e0:0:1::12]) by mx1.freebsd.org (Postfix) with ESMTP id 201168FC14 for ; Fri, 6 May 2011 15:46:54 +0000 (UTC) Received: from smtp2.sentex.ca (smtp2c.sentex.ca [64.7.153.30]) by smarthost1.sentex.ca (8.14.4/8.14.4) with ESMTP id p46FkojI053804 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 6 May 2011 11:46:50 -0400 (EDT) (envelope-from mike@sentex.net) Received: from pyroxene.sentex.ca ([IPv6:2607:f3e0:0:3::18]) by smtp2.sentex.ca (8.14.4/8.14.4) with ESMTP id p46Fko5V033692; Fri, 6 May 2011 11:46:50 -0400 (EDT) (envelope-from mike@sentex.net) Received: from [192.168.43.26] (saphire3.sentex.ca [192.168.43.26]) by pyroxene.sentex.ca (8.14.4/8.14.3) with ESMTP id p46FknWn063182; Fri, 6 May 2011 11:46:50 -0400 (EDT) (envelope-from mike@sentex.net) Message-ID: <4DC417E1.8010405@sentex.net> Date: Fri, 06 May 2011 11:46:41 -0400 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: Daan Vreeken References: <201105041734.50738.Daan@vehosting.nl> <201105052217.51893.Daan@vehosting.nl> <201105061702.43073.Daan@vehosting.nl> In-Reply-To: <201105061702.43073.Daan@vehosting.nl> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.95.1 at smtp2.sentex.ca X-Virus-Status: Clean X-Scanned-By: MIMEDefang 2.67 on 64.7.153.18 Cc: FreeBSD current mailing list Subject: Re: Interrupt storm with MSI in combination with em1 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: Fri, 06 May 2011 15:46:54 -0000 On 5/6/2011 11:02 AM, Daan Vreeken wrote: > One core is spending half it's time handling interrupts. > /var/log/messages doesn't show any new message since the storm > started. "vmstat -i" now shows : > > # vmstat -i > interrupt total rate > irq3: uart1 917384 63 > --> irq16: ehci0 809547235 55608 > > Apart from spending far too much time handling interrupts, the machine works > fine, so I'll let it run in case anyone wants me to try something on it. > Do you have any usb devices plugged in ? ie what does usbconfig show ? Also, what USB settings do you have in the BIOS ? I would try disabling usb legacy mode and and things like 80-64 translation. ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/