From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261672AbVGKTfI (ORCPT ); Mon, 11 Jul 2005 15:35:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261981AbVGKTfG (ORCPT ); Mon, 11 Jul 2005 15:35:06 -0400 Received: from totor.bouissou.net ([82.67.27.165]:55019 "EHLO totor.bouissou.net") by vger.kernel.org with ESMTP id S261672AbVGKTdP (ORCPT ); Mon, 11 Jul 2005 15:33:15 -0400 From: Michel Bouissou Organization: Me, Myself and I To: Alan Stern Subject: Re: [SOLVED ??] Kernel 2.6.12 + IO-APIC + uhci_hcd = Trouble Date: Mon, 11 Jul 2005 21:33:06 +0200 User-Agent: KMail/1.7.2 Cc: "Protasevich, Natalie" , linux-kernel@vger.kernel.org, mingo@redhat.com References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Content-Disposition: inline Message-Id: <200507112133.07471@totor.bouissou.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Le Lundi 11 Juillet 2005 20:36, Alan Stern a écrit : > It's also possible that the UHCI controllers are generating the unwanted > interrupt requests.  You should make sure that Legacy USB Support is > turned off in your BIOS settings. My motherboard both holds USB 1.1 and USB 2.0 controllers. I don't have a "Legacy USB Support" option in my BIOS, all my USB options are the following: Enable USB 1.1 controller: YES (Surely relates to my true USB 1.1 controller) Enable USB 2.0 controller: YES (Same for the high speed controller ?) Enable USB keyboard: NO Enable USB mouse support: YES (Well, I have one ;-) I didn't change anything regarding these so far. > You can also try adding the "usb-handoff" kernel parameter to your boot > command line. Hey !! This one looks like the MIRACLE-OPTION !! I just booted using my 2.6.12 kernel patched with Nathalie's patches (don't know if they help in there...) and the problem seems to be gone ! Nothing complains anymore about the interrupt. I have: [root@totor etc]# cat /proc/interrupts CPU0 0: 934501 IO-APIC-edge timer 1: 4611 IO-APIC-edge i8042 2: 0 XT-PIC cascade 4: 2779 IO-APIC-edge serial 7: 3 IO-APIC-edge parport0 14: 7909 IO-APIC-edge ide4 15: 7918 IO-APIC-edge ide5 16: 38447 IO-APIC-level nvidia 18: 2982 IO-APIC-level eth0, eth1 19: 37041 IO-APIC-level ide0, ide1, ide2, ide3, ehci_hcd:usb4 21: 52036 IO-APIC-level uhci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3 22: 2850 IO-APIC-level VIA8233 NMI: 0 LOC: 934453 ERR: 0 MIS: 0 ...now let's see with time if this is stable... A thousand thanks for your suggestion Alan ! (Kernel 2.4 was working plain good without such a boot option, I didn't know it existed...) (Please copy me on answers, as I'm not subscribed to the linux-kernel mailing list.) Cheers. -- Michel Bouissou OpenPGP ID 0xDDE8AC6E