From owner-freebsd-current@FreeBSD.ORG Fri May 6 15:36:55 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 5212F106564A for ; Fri, 6 May 2011 15:36:55 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from mail-vx0-f182.google.com (mail-vx0-f182.google.com [209.85.220.182]) by mx1.freebsd.org (Postfix) with ESMTP id 044F58FC1E for ; Fri, 6 May 2011 15:36:54 +0000 (UTC) Received: by vxc34 with SMTP id 34so4788375vxc.13 for ; Fri, 06 May 2011 08:36:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=QcTV0NfzdxURPhoIjUOD062mm6C8CEI9BUCBmYLonhU=; b=ucZBgc6okiXxp2LBd2UM7uDXL5T4iGwbIFbZ+FmLQKKjH05DmPyGCziUg+WqWXqr6t yeS1cBrReo3kyJ49f/8y4T9ujjOqM2l5wSDH5a9oLjjV2ccIqHOvrl93zZHMNDX7Xyt/ tcmZUHRFzNQmk6haQeezCHuFhGwvrAVKXMFcs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=VHL071xsQvpM/HVmHxNWHfgBgCGt0OWCiDli2HtSnzYaWUPnR/Y7iJ6dFJ995Krole lVm/PNNMp27hnQ9rGW5pMRjjsFWchTagZ+wvi9U0AW4SfhWZCXJN3dVl9XHg/OtMsXeX QLuMvn4nfq0kCTvObZmGfyv4uc/cfE714Mryo= MIME-Version: 1.0 Received: by 10.52.18.14 with SMTP id s14mr4815775vdd.164.1304696212837; Fri, 06 May 2011 08:36:52 -0700 (PDT) Received: by 10.52.184.169 with HTTP; Fri, 6 May 2011 08:36:52 -0700 (PDT) In-Reply-To: <201105061732.12418.Daan@vehosting.nl> References: <201105041734.50738.Daan@vehosting.nl> <201105061702.43073.Daan@vehosting.nl> <201105061732.12418.Daan@vehosting.nl> Date: Fri, 6 May 2011 08:36:52 -0700 Message-ID: From: Jack Vogel To: Daan Vreeken Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Steven Hartland , Current@freebsd.org, Peter Jeremy 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 15:36:55 -0000 I don't see why you are blaming em, you can see its on MSIX vectors that are NOT storming, its something with USB as noted. Trying to disable em from using MSIX is in exactly the wrong direction IMHO. Jack On Fri, May 6, 2011 at 8:32 AM, Daan Vreeken wrote: > 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 >