From owner-freebsd-current@FreeBSD.ORG Thu Mar 23 00:32:56 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id ADE6D16A401 for ; Thu, 23 Mar 2006 00:32:56 +0000 (UTC) (envelope-from flag@longino.wired.org) Received: from mail.oltrelinux.com (krisma.oltrelinux.com [194.242.226.43]) by mx1.FreeBSD.org (Postfix) with ESMTP id 35FDE43D45 for ; Thu, 23 Mar 2006 00:32:56 +0000 (GMT) (envelope-from flag@longino.wired.org) Received: from longino.wired.org (ip-114-46.sn1.eutelia.it [62.94.114.46]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.oltrelinux.com (Postfix) with ESMTP id 7C1A411AEA5 for ; Thu, 23 Mar 2006 01:32:34 +0100 (CET) Received: from longino.wired.org (localhost [127.0.0.1]) by longino.wired.org (8.13.4/8.13.4) with ESMTP id k2N0WSJr002011 for ; Thu, 23 Mar 2006 01:32:28 +0100 (CET) (envelope-from flag@longino.wired.org) Received: (from flag@localhost) by longino.wired.org (8.13.4/8.13.4/Submit) id k2N0WSFE002010 for freebsd-current@freebsd.org; Thu, 23 Mar 2006 01:32:28 +0100 (CET) (envelope-from flag) Date: Thu, 23 Mar 2006 01:32:28 +0100 From: Paolo Pisati To: FreeBSD_Current Message-ID: <20060323003228.GA1983@tin.it> References: <20060322122906.A41691@xorpc.icir.org> <200603221545.13769.jhb@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200603221545.13769.jhb@freebsd.org> User-Agent: Mutt/1.4.2.1i X-Virus-Scanned: by amavisd-new-20030616-p10 (Debian) at krisma.oltrelinux.com Subject: Re: interesting(?) data on network interrupt servicing 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: Thu, 23 Mar 2006 00:32:56 -0000 On Wed, Mar 22, 2006 at 03:45:12PM -0500, John Baldwin wrote: > This is going out to the I/O APIC and writing a bit to mask the > interrupt until the handler has run. Is he using a kernel that > has SMP enabled? If so, turning SMP off might make things > slightly better. 7.x: SMP is on, PREEMPTION if off 4.x: SMP is off (doesn't boot on a UP box with SMP turned on) -- Paolo "le influenze esterne sono troppe, il mondo reale non e' mica quello fatato dei komunisti :-p" - Anonymous Lumbard