From owner-freebsd-current@FreeBSD.ORG Fri May 6 15:32:17 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 82E111065679 for ; Fri, 6 May 2011 15:32:17 +0000 (UTC) (envelope-from Daan@vehosting.nl) Received: from VM01.VEHosting.nl (VM016.VEHosting.nl [IPv6:2001:1af8:2100:b020::140]) by mx1.freebsd.org (Postfix) with ESMTP id 18BC78FC16 for ; Fri, 6 May 2011 15:32:16 +0000 (UTC) Received: from [192.168.72.11] (124-54.bbned.dsl.internl.net [92.254.54.124]) (authenticated bits=0) by VM01.VEHosting.nl (8.14.3/8.13.8) with ESMTP id p46FWFwo018270; Fri, 6 May 2011 17:32:15 +0200 (CEST) (envelope-from Daan@vehosting.nl) From: Daan Vreeken Organization: http://VEHosting.nl/ To: "Steven Hartland" Date: Fri, 6 May 2011 17:32:12 +0200 User-Agent: KMail/1.9.10 References: <201105041734.50738.Daan@vehosting.nl> <201105061702.43073.Daan@vehosting.nl> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <201105061732.12418.Daan@vehosting.nl> x-ve-auth-version: mi-1.1.5 2011-02-07 - Copyright (c) 2008, 2011 - Daan Vreeken - VEHosting x-ve-auth: authenticated as 'pa4dan' on VM01.VEHosting.nl Cc: Jack Vogel , Peter Jeremy , Current@freebsd.org 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 15:32:17 -0000 Hi Steven, On Friday 06 May 2011 17:20:15 Steven Hartland wrote: > From: "Daan Vreeken" > > > # vmstat -i > > interrupt total rate > > irq3: uart1 917384 63 > > --> irq16: ehci0 809547235 55608 > > Have you tried removing USB from the kernel? > > USB seems to be a common course of this behaviour and here at least > removing it from the kernel fixes in all cases assuming you don't > need it for something? No, I haven't tried that yet. I could disable USB to run some tests, but I'll eventually need it enabled again. I'll wait for a couple of hours to see if anyone can come up with a test to run on the machine while the interrupt is still storming. After that I'll reboot it with USB disabled. Thanks, -- Daan Vreeken VEHosting http://VEHosting.nl tel: +31-(0)40-7113050 / +31-(0)6-46210825 KvK nr: 17174380