From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261366AbTHWEp0 (ORCPT ); Sat, 23 Aug 2003 00:45:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261406AbTHWEp0 (ORCPT ); Sat, 23 Aug 2003 00:45:26 -0400 Received: from coffee.creativecontingencies.com ([210.8.121.66]:37329 "EHLO coffee.cc.com.au") by vger.kernel.org with ESMTP id S261366AbTHWEpV (ORCPT ); Sat, 23 Aug 2003 00:45:21 -0400 Subject: 2.6.0-test4: ACPI breaks IDE/USB From: Peter Lieverdink To: linux-kernel@vger.kernel.org Content-Type: text/plain Message-Id: <1061613751.897.12.camel@kahlua> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.4 Date: Sat, 23 Aug 2003 14:42:32 +1000 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org When I enable ACPI on 2.6.0-test4 (also on 2.6.0-test3-*), the kernel no longer recognises my IDE controller and drops down to PIO mode for harddisk access. Additionally, USB devices don't get detected. Running a kernel without ACPI solves both these problems. The system is an Athlon 2400+ on a Gibabyte GA-7VAXP mainboard. (KT400) This is from dmesg with ACPI (CONFIG_ACPI=y) enabled: -- ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx VP_IDE: IDE controller at PCI slot 0000:00:11.1 VP_IDE: (ide_setup_pci_device:) Could not enable device. hda: WDC WD800JB-00ETA0, ATA DISK drive -- .. and this is with ACPI (# CONFIG_ACPI is not set) disabled: -- ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx VP_IDE: IDE controller at PCI slot 0000:00:11.1 VP_IDE: chipset revision 6 VP_IDE: not 100% native mode: will probe irqs later ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx VP_IDE: VIA vt8235 (rev 00) IDE UDMA133 controller on pci0000:00:11.1 ide0: BM-DMA at 0xd800-0xd807, BIOS settings: hda:DMA, hdb:pio ide1: BM-DMA at 0xd808-0xd80f, BIOS settings: hdc:DMA, hdd:pio hda: WDC WD800JB-00ETA0, ATA DISK drive -- I'm happily running without ACPI now, but I guess the kernel just shouldn't be exhibiting the above behaviour. If whomever is fixing this bug needs more and/or more detailed info, please email me and I'll provide it. Cheers, - Peter.