From owner-freebsd-stable@FreeBSD.ORG Tue Dec 2 16:01:00 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7B4651065676 for ; Tue, 2 Dec 2008 16:01:00 +0000 (UTC) (envelope-from mikej@rogers.com) Received: from smtp132.rog.mail.re2.yahoo.com (smtp132.rog.mail.re2.yahoo.com [206.190.53.37]) by mx1.freebsd.org (Postfix) with SMTP id 1BAB88FC1D for ; Tue, 2 Dec 2008 16:00:59 +0000 (UTC) (envelope-from mikej@rogers.com) Received: (qmail 34087 invoked from network); 2 Dec 2008 15:34:19 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rogers.com; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Received:Message-ID:In-Reply-To:References:Date:Subject:From:To:Cc:User-Agent:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:Importance; b=aQzxpHQLzwgzVbBBYHXmhLtlT6etsWa8QSqmvVLH+ii0t08V/zoErQeL9kCahLmt9Rfvv3cokrQV405fxsvs4yKiZrg7Sn/RFIhi2RhUnGYExbfLWEwR8sgNVIqIjLe1HiMwXtFBHrSd4ucfPcEQGH9vweHqNTZB7xbhwjyOyrQ= ; Received: from unknown (HELO wettoast.dyndns.org) (mikej@99.227.98.203 with login) by smtp132.rog.mail.re2.yahoo.com with SMTP; 2 Dec 2008 15:34:16 -0000 X-YMail-OSG: HClk1NIVM1lud1ME5qGWY1z3PMfp8aFkXtWqFA1Y5y9nd5YIkriU6W.C2VDAV7SYKg-- X-Yahoo-Newman-Property: ymail-3 Received: from 38.99.187.34 (SquirrelMail authenticated user mikej) by wettoast.dyndns.org with HTTP; Tue, 2 Dec 2008 10:34:31 -0500 (EST) Message-ID: In-Reply-To: <4935069A.8060209@ec-marseille.fr> References: <4935069A.8060209@ec-marseille.fr> Date: Tue, 2 Dec 2008 10:34:31 -0500 (EST) From: "Mike Jakubik" To: "Geoffroy Desvernay" , freebsd-stable@freebsd.org User-Agent: SquirrelMail/1.4.15 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Cc: delphij@delphij.net Subject: Re: RELENG_7_1: bce driver change generating too much interrupts ? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Dec 2008 16:01:00 -0000 On Tue, December 2, 2008 4:57 am, Geoffroy Desvernay wrote: > Since last upgrade, I see much more CPU time "eated" by interrupts (at > least 10% cpu in top) > (see http://dgeo.perso.ec-marseille.fr/cpu-week.png) I am also seeing the same behavior on a farm of Dell servers. root@web.local:~# vmstat -i interrupt total rate irq1: atkbd0 18 0 irq14: ata0 176 0 irq16: mfi0 67924 1 irq20: uhci1 uhci3 1 0 irq21: uhci0 uhci+ 5 0 cpu0: timer 132244117 1997 irq257: bce1 3366039632 50853 cpu1: timer 132244053 1997 cpu2: timer 132244053 1997 cpu3: timer 132244053 1997 Total 3895084032 58846 Not only this, but i have also noticed that there are a number of errors reported by netstat now. before the drivers update, i would not get these errors. root@web.local:~# netstat -i Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll 0 bce1 1500 00:1e:c9:b5:cc:b6 1848959 2197 1357031 0 0