From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Antonino A. Daplas" Subject: Re: 2.6.21-rc1: framebuffer/console boot failure Date: Mon, 05 Mar 2007 14:12:38 +0800 Message-ID: <1173075158.4158.1.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> <35793.86.7.220.119.1173019974.squirrel@wmbeta.mxes.net> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from nz-out-0506.google.com ([64.233.162.224]:5287 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750934AbXCEGKj (ORCPT ); Mon, 5 Mar 2007 01:10:39 -0500 Received: by nz-out-0506.google.com with SMTP id s1so1661255nze for ; Sun, 04 Mar 2007 22:10:38 -0800 (PST) In-Reply-To: <35793.86.7.220.119.1173019974.squirrel@wmbeta.mxes.net> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Andrew Nelless Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org On Sun, 2007-03-04 at 14:52 +0000, Andrew Nelless wrote: > 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? acpi_skip_timer_override is still documented in Documentation/kernel-parameters.txt. Tony