From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Renninger Subject: Re: ACPI on Compaq 6715b - BIOS from the wrong end of the planet Date: Tue, 29 Apr 2008 15:45:17 +0200 Message-ID: <1209476717.1784.853.camel@queen.suse.de> References: <48144209.7080203@gmail.com> Reply-To: trenn@suse.de Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from ns1.suse.de ([195.135.220.2]:48829 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753598AbYD2NpS (ORCPT ); Tue, 29 Apr 2008 09:45:18 -0400 In-Reply-To: <48144209.7080203@gmail.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Richard Cc: linux-acpi@vger.kernel.org On Sun, 2008-04-27 at 10:06 +0100, Richard wrote: > Hi all, > > Pardon for the intrusion, I am trying to fault find a horrible wrong > ACPI interface and fix it. > > the problem is as follows... > > Kernel 2.6.23 works fine, except there is no stable clocksource.. > acpi_pm, tsc doesnt work and jiffies .. well thats just jiffies. The > kernel boots but time sources are erratic and this results in an > unstable clock (Mp3's play at erratic speeds) > > Kernel 2.6.25 hangs the system if I enable ACPI Timer and rebuild/boot > the new linux kernel. The only clock sources are tsc and jiffies and TSC > is disables due to being erratic. If I totally disable ACPI, the kernel > boots and works with stable clocks.. but obviously Power management is > gone. > > The system is an ATI bridged AMD Sempron notebook. I have tried Millions > of options in the kernel bootup and none seem to do clear the problem. > This system seems to suffer from the Clocks fast bug. (the dmesg reports > that the 8254 clock is disables, IO-APIC int0 fails and IO-APIC Vritual > wire is OK.. if that means anything :D) > > Any pointers.. and if anyone wants the AML/ACPI stuff, please feel free > to shout. Does: disable_timer_pin_1 or noapictimer work? Thomas