From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chuck Ebbert Subject: Re: [RFC] [PATCH] ACPI :Modify timer override connection in Some NVIDIA systems Date: Tue, 16 Oct 2007 17:07:29 -0400 Message-ID: <47152811.7010103@redhat.com> References: <1192172655.27194.29.camel@yakui_zhao.sh.intel.com> <47139595.2040505@redhat.com> <200710151832.59472.ak@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com ([66.187.233.31]:49470 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935856AbXJPVIR (ORCPT ); Tue, 16 Oct 2007 17:08:17 -0400 In-Reply-To: <200710151832.59472.ak@suse.de> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Andi Kleen Cc: Zhao Yakui , Linux-acpi@vger.kernel.org, lenb@kernel.org, Thomas Gleixner On 10/15/2007 12:32 PM, Andi Kleen wrote: > On Monday 15 October 2007 18:30:13 Chuck Ebbert wrote: >> On 10/12/2007 03:04 AM, Zhao Yakui wrote: >>> Hi, All >>> The BIOS of some systems using NVIDIA chipset gives the uncorrect >>> timer override connection, which will cause that I/O APIC and timer >>> can't be connected and kernel panic. >>> There are two ways to fix this bug. One is to use the following patch and >>> the other is to add a new boot option of acpi_force_timer_override. > > This is already fixed in the firstfloor tree. > Do I need something more than early-quirks-unification and nvidia-timer-quirk? Because those two don't fix anything; I have to manually force acpi_use_timer_override to get things to work right. The RFC patch seems to be doing the right thing automatically. Hardware: nVidia MCP51/C51 (with HPET) Host Bridge PCI ID: 10de:02f0