From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 25 Aug 2002 09:13:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 25 Aug 2002 09:13:52 -0400 Received: from mail.zmailer.org ([62.240.94.4]:28863 "EHLO mail.zmailer.org") by vger.kernel.org with ESMTP id ; Sun, 25 Aug 2002 09:13:51 -0400 Date: Sun, 25 Aug 2002 16:18:04 +0300 From: Matti Aarnio To: joerg.beyer@email.de Cc: ZwaneMwaikambo , linux-kernel@vger.kernel.org Subject: Re: big IRQ latencies, was: Message-ID: <20020825131804.GV10011@mea-ext.zmailer.org> References: <200208251238.g7PCcxX03888@mailgate5.cinetic.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200208251238.g7PCcxX03888@mailgate5.cinetic.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Aug 25, 2002 at 02:38:59PM +0200, joerg.beyer@email.de wrote: > Zwane Mwaikambo schrieb am 25.08.02 14:10:12: > > On Sun, 25 Aug 2002 joerg.beyer@email.de wrote: > ... > > That should fix your slowdown during untarring/disk access, as for your > > NIC problem looks like you might be having a receive FIFO overflow, so > > perhaps the card stops processing incoming packets? I have no clue, > > maybe this helps: outgoing transfer (from the laptop to some > other machine) is reasonable fast: I could copy gig's of data > away, but not to the machine. I asume sending away makes not > so heavy use of IRQ's, right? A laptop, you say ? And network reception is jamming while there is high disk-write activity ? /sbin/hdparam -v /dev/hda /dev/hda: multcount = 16 (on) I/O support = 1 (32-bit) <----- ?? unmaskirq = 1 (on) <----- ?? using_dma = 1 (on) <----- ?? keepsettings = 1 (on) <----- ?? nowerr = 0 (off) readonly = 0 (off) readahead = 8 (on) > does this help? > Joerg > > ps: sorry for the missing subjectline /Matti Aarnio