Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261862AbVDERpu (ORCPT ); Tue, 5 Apr 2005 13:45:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261838AbVDERnm (ORCPT ); Tue, 5 Apr 2005 13:43:42 -0400 Received: from one.firstfloor.org ([213.235.205.2]:49606 "EHLO one.firstfloor.org") by vger.kernel.org with ESMTP id S261846AbVDERS7 (ORCPT ); Tue, 5 Apr 2005 13:18:59 -0400 To: Christopher Allen Wing Cc: linux-kernel@vger.kernel.org Subject: Re: clock runs at double speed on x86_64 system w/ATI RS200 chipset References: <200504031231.j33CVtHp021214@harpo.it.uu.se> From: Andi Kleen Date: Tue, 05 Apr 2005 19:18:56 +0200 In-Reply-To: (Christopher Allen Wing's message of "Mon, 4 Apr 2005 10:53:39 -0400 (EDT)") Message-ID: User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3 (gnu/linux) 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 Content-Length: 1021 Lines: 25 Christopher Allen Wing writes: > On Sun, 3 Apr 2005, Mikael Pettersson wrote: > >> Well, first step is to try w/o ACPI. ACPI is inherently fragile >> and bugs there can easily explain your timer problems. Either >> recompile with CONFIG_ACPI=n, or boot with "acpi=off pci=noacpi". > > > When I boot without ACPI (I used 'acpi=off pci=noacpi') the system fails > to come up all the way; it hangs after loading the SATA driver. (but > before the SATA driver finishes probing the disks) > > I'm guessing that the interrupt from the SATA controller is not getting > through? Anyway, I assumed that ACPI was basically required for x86_64 > systems to work, is this not really the case? Alternatively you can try to boot with noapic. Does that help? -Andi - 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/