From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arndt Schoenewald Subject: Re: ACPI hangs X-Windows with nForce chipset Date: Mon, 6 Jan 2003 17:01:02 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20030106160102.GB4661@digda.intern.quelltext.com> References: <20030103162335.GB26301@schiggy.intern.quelltext.com> <20030104083855.58289.qmail@web13405.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <20030104083855.58289.qmail-iMRV/kieFfGA/QwVtaZbd3CJp6faPEW9@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: James Joseph Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Hi James! On Sat, Jan 04, 2003 at 12:38:55AM -0800, James Joseph wrote: > Hi Arndt, > First of all, thanx for such a prompt reply. With 2.4.20 and > acpi-20021212 patch, the system works with APIC disabled from BIOS! > X-Windows and KDE is stable. My system was already stable in text-mode > (run level 3).The errors which i obtained before are still there:- > > pci_bind-0191 [05] acpi_pci_bind : Device 00:00:04.00 not present in PCI namespace > (Anyone know what the above means?!) I have one of these, too; I do not remember what they mean, but they are typically harmless. Mine does not cause any problems. > and a series of AE_AML_BUFFER_LIMIT conditions. (Is there anyway to > increase the 8 * (HOST BUFFER size) from 48 to 56?, and will that > solve the problem?) I have no idea. > It seems that the problem is when IO-APIC is used for IRQ routing. I > greped /usr/src/linux*/drivers/acpi for AE_AML_BUFFER_LIMIT, and it > seems (from dispatcher/dsopcode.c, line 496, in function > Acpi_ds_init_buffer_field(...):- > > The Host buffer length, buffer_desc->buffer.length = 6, and if it was > 7, it should work.(in my case) Is it possible to increase that buffer, > something tells me it isn't as simple as :- > > buffer_desc->buffer.length = 7; :) > > Please understand that i know nothing about what i am talking about > here, so anyone reading this should have a high stupidity tolerance! > Please help if there is an easy fix to the above. The expert for PCI IRQ routing stuff on this list is Dominik Brodowski . Dominik, are you listening?! Greetings, Arndt > --- Arndt Schoenewald wrote: > > Hi James, > > > > does your system work without APIC and IO-APIC support enabled in > > the kernel, or with APIC support being turned off in the BIOS? > > > > (I have a SiS650 based machine with a MS-6335E mainboard which will > > only boot with either one of the above workarounds. It seems that > > the support for APICs and/or IO-APICs is still not 100% bugfree.) > > > > The "Spurious 8259A interrupt : IRQ7" messages appear on many > > machines, but seem to be harmless. I don't know what causes them. > > > > Good luck, > > Arndt -- Arndt Schönewald , Software Developer Quelltext AG (http://www.quelltext-ag.de), Dortmund, Germany ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf