From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261883AbULKATw (ORCPT ); Fri, 10 Dec 2004 19:19:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261890AbULKATw (ORCPT ); Fri, 10 Dec 2004 19:19:52 -0500 Received: from clock-tower.bc.nu ([81.2.110.250]:23002 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S261883AbULKATh convert rfc822-to-8bit (ORCPT ); Fri, 10 Dec 2004 19:19:37 -0500 Subject: Re: ide-cd problem revisited - more brainpower needed From: Alan Cox To: Alan Chandler Cc: Linux Kernel Mailing List , Jens Axboe In-Reply-To: <200412102132.41512.alan@chandlerfamily.org.uk> References: <200411201842.15091.alan@chandlerfamily.org.uk> <200411232149.31701.alan@chandlerfamily.org.uk> <200411300859.43422.alan@chandlerfamily.org.uk> <200412102132.41512.alan@chandlerfamily.org.uk> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Message-Id: <1102720480.3271.79.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Fri, 10 Dec 2004 23:14:42 +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Gwe, 2004-12-10 at 21:32, Alan Chandler wrote: > All the above output is a result of the command (as root) using linux > 2.6.10-rc2 (with acpi turned off to avoid that bug)ยท > Is local apic enabled ? > So what do I do next? Why would the hardware work this way - is it a bug in > the firmware?, is there a subtle timing problem causing interrupts to > re-enter... should I just junk the hardware and start again? Help! A purely armwaving guess of the moment is that if the IRQ routing is confused over edge versus level trigger then you would see extra interrupts. Does the drive work in another PC (I forget if you tried that)