Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754996AbZJBHd6 (ORCPT ); Fri, 2 Oct 2009 03:33:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753793AbZJBHd5 (ORCPT ); Fri, 2 Oct 2009 03:33:57 -0400 Received: from cantor.suse.de ([195.135.220.2]:55768 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753655AbZJBHd5 (ORCPT ); Fri, 2 Oct 2009 03:33:57 -0400 Date: Fri, 2 Oct 2009 09:34:00 +0200 From: Nick Piggin To: David Woodhouse , Linux Kernel Mailing List Subject: Patch "USB: Work around BIOS bugs by quiescing USB controllers earlier" causes MCEs Message-ID: <20091002073400.GV6327@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2356 Lines: 54 Hi, Your patch db8be50c4307dac2b37305fc59c8dc0f978d09ea is causing my ia64 Altix system to die with an MCE in early boot. Good dmesg looks like this: ACPI: PCI Root Bridge [P001] (0001:00) pci 0001:00:01.0: reg 10 io port: [0x1000-0x10ff] pci 0001:00:01.0: reg 14 64bit mmio: [0x700000-0x703fff] pci 0001:00:01.0: reg 1c 64bit mmio: [0x710000-0x71ffff] pci 0001:00:01.0: reg 30 32bit mmio pref: [0x800000-0x8fffff] pci 0001:00:01.0: supports D1 D2 pci 0001:00:02.0: reg 10 64bit mmio: [0x720000-0x72ffff] pci 0001:00:02.0: PME# supported from D3hot pci 0001:00:02.0: PME# disabled pci 0001:00:02.1: reg 10 64bit mmio: [0x730000-0x73ffff] pci 0001:00:02.1: PME# supported from D3hot pci 0001:00:02.1: PME# disabled pci 0001:00:03.0: reg 10 64bit mmio pref: [0x900000-0x9fffff] pci 0001:01:01.0: reg 10 32bit mmio: [0xa00000-0xa00fff] pci 0001:01:01.0: supports D1 D2 Bad (which is less verbose because it came from a console output): ACPI: PCI Root Bridge [P001] (0001:00) pci 0001:00:02.0: PME# supported from D3hot pci 0001:00:02.0: PME# disabled pci 0001:00:02.1: PME# supported from D3hot pci 0001:00:02.1: PME# disabled Entered OS MCA handler. PSP=20000000fff21120 cpu=2 monarch=1 <6>cpu 2, MCA inconsistent r12 and r13, original stack not modified <6>Entered OS MCA handler. PSP=20000000fff21120 cpu=1 monarch=0 <6>cpu 1, MCA inconsistent r12 and r13, original stack not modified <6>Entered OS MCA handler. PSP=20000000fff21120 cpu=0 monarch=0 <6>cpu 0, MCA inconsistent r12 and r13, original stack not modified <6>Entered OS MCA handler. PSP=20000000fff21120 cpu=3 monarch=0 <6>cpu 3, MCA inconsistent r12 and r13, original stack not modified <6>All OS MCA slaves have reached rendezvous mlogbuf_finish: printing switched to urgent mode, MCA/INIT might be dodgy or fail. Delaying for 5 seconds... Relevant pci devices: 0001:00:03.0 PCI bridge: IBM PCI-X to PCI-X Bridge (rev 03) 0001:01:01.0 USB Controller: NEC Corporation USB (rev 43) 0001:01:01.1 USB Controller: NEC Corporation USB (rev 43) 0001:01:01.2 USB Controller: NEC Corporation USB 2.0 (rev 04) Let me know any more info I can provide. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/