From owner-freebsd-bugs@FreeBSD.ORG Fri Jan 13 20:09:39 2012 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 50AA3106564A for ; Fri, 13 Jan 2012 20:09:39 +0000 (UTC) (envelope-from iordan@cdf.toronto.edu) Received: from smtp.cdf.toronto.edu (smtp.cdf.utoronto.ca [128.100.31.106]) by mx1.freebsd.org (Postfix) with SMTP id D76178FC12 for ; Fri, 13 Jan 2012 20:09:38 +0000 (UTC) Received: (qmail 21949 invoked from network); 13 Jan 2012 15:09:38 -0500 Received: from australopithecus.cdf.toronto.edu (HELO ?128.100.31.7?) (iordan@128.100.31.7) by penguin.cdf.toronto.edu with SMTP; 13 Jan 2012 15:09:38 -0500 Message-ID: <4F108F82.1010901@cdf.toronto.edu> Date: Fri, 13 Jan 2012 15:09:38 -0500 From: Iordan Iordanov Organization: University Of Toronto User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.25) Gecko/20111213 Thunderbird/3.1.17 MIME-Version: 1.0 To: freebsd-bugs@freebsd.org References: <4F106EA6.3000003@cdf.toronto.edu> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: Intel x520-t2: interrupt storm detected + throttling X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Jan 2012 20:09:39 -0000 Hi again Jack, On 01/13/12 13:04, Jack Vogel wrote: > do a `sysctl hw.intr_storm_threshold` its too low. It is set to 1000 by default. > My suggestion is to set that to 0, this disables the test. But otherwise > you will > need to increase it high enough to eliminate the throttling. This did quiet down the kernel with regards to interrupts. Many thanks! Iordan