From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270520AbTGSIMP (ORCPT ); Sat, 19 Jul 2003 04:12:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270524AbTGSIMO (ORCPT ); Sat, 19 Jul 2003 04:12:14 -0400 Received: from server.snowfall.se ([213.136.34.4]:56839 "EHLO mail.snowfall.se") by vger.kernel.org with ESMTP id S270520AbTGSIMH (ORCPT ); Sat, 19 Jul 2003 04:12:07 -0400 Date: Sat, 19 Jul 2003 10:27:02 +0200 (CEST) From: Stefan Cars X-X-Sender: stefan@guldivar.globalwire.se To: Jeff Garzik Cc: linux-kernel@vger.kernel.org Subject: Re: ICH5 SATA high interrupt/system load again... In-Reply-To: <3F187DB1.1040309@pobox.com> Message-ID: <20030719102533.B47097@guldivar.globalwire.se> References: <20030718233631.F31074@guldivar.globalwire.se> <3F187DB1.1040309@pobox.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org That's the thing! My BIOS (Dell computer) doesn't allow me to change the interrupt routing in BIOS... I have contacted them regarding this issue but they say that they have removed it becuase most people get confused about it, pretty strange since the people that get confused about it never enters BIOS. On Fri, 18 Jul 2003, Jeff Garzik wrote: > Stefan Cars wrote: > > Hi! > > > > I've seen the discussion regarding high interrupt / system load on the > > ICH5 SATA and I'm asking what todo about it if I can't put my BIOS into > > "normal" mode. This machine is an Dell Precision 360 and for some stupid > > reason they have for this model removed the possibility in the BIOS to > > change this sort of things (you can't change much really). I'm using > > 2.4.21-ac4. Just to extract a simple tar file brings the system load up > > and the computer is slow... > > > > > > Here is some info: > > tjatte:/import# cat /proc/interrupts > > CPU0 > > 0: 557725 XT-PIC timer > > 1: 102 XT-PIC keyboard > > 2: 0 XT-PIC cascade > > 5: 0 XT-PIC ehci_hcd > > 9: 16409116 XT-PIC libata, usb-uhci, eth0 > > > Hum... interesting. I had seen reports of this before, but they were of > the variety "drivers/ide has high load, libata doesn't". So it seems > intrinsic of the hardware, which is a useful data point. > > Have you tried messing around with interrupt routing in BIOS setup? > Since ATA, USB, and eth0 are all on the same interrupt, changing that > may affect the situation positively. > > Jeff > > >