From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932942AbXCDOxE (ORCPT ); Sun, 4 Mar 2007 09:53:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932932AbXCDOxE (ORCPT ); Sun, 4 Mar 2007 09:53:04 -0500 Received: from mxout-03.mxes.net ([216.86.168.178]:3881 "EHLO mxout-03.mxes.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932891AbXCDOwz (ORCPT ); Sun, 4 Mar 2007 09:52:55 -0500 Message-ID: <35793.86.7.220.119.1173019974.squirrel@wmbeta.mxes.net> In-Reply-To: <1172531359.7101.22.camel@daplas> References: <35472.86.7.220.119.1172237750.squirrel@wmbeta.mxes.net> <20070224030950.074f88d4.akpm@linux-foundation.org> <33525.86.7.220.119.1172358010.squirrel@wmbeta.mxes.net> <1172359843.4415.8.camel@daplas> <34578.86.7.220.119.1172401665.squirrel@wmbeta.mxes.net> <1172493697.20842.6.camel@daplas> <36488.86.7.220.119.1172515738.squirrel@wmbeta.mxes.net> <1172531359.7101.22.camel@daplas> Date: Sun, 4 Mar 2007 14:52:54 -0000 (GMT) Subject: Re: 2.6.21-rc1: framebuffer/console boot failure From: "Andrew Nelless" To: "Antonino A. Daplas" Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Reply-To: "Andrew Nelless" User-Agent: SquirrelMail/1.5.1 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, February 26, 2007 11:09 pm, Antonino A. Daplas wrote: > > Not sure if the timer override workaround for nvidia chipsets is the > culprit, but if you want, you can choose to revert that to the previous behavior (which is > ignoring ACPI timer override). Open arch/x86_64/kernel/earlyquirk.c:nvidia_bugs() and change > this line: > > if (acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check)) return; into this: > > acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check); /* return; */ > > > Tony > This fixes the problem. After a lot of rebooting and testing the problem is definitely gone when this check is patched out and the ACPI timer override is ignored. It looks like there should be a cleaner patch than just obliterating the condition and return though. Perhaps the code should remain as is and "acpi_use_timer_override" could be complimented by exposing the "acpi_skip_timer_override" option to the kernel command line? This seems to have been exposed in the past: https://www.x86-64.org/pipermail/discuss/2005-April/005948.html