Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 24 Mar 2002 12:14:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 24 Mar 2002 12:14:30 -0500 Received: from bazooka.saturnus.vein.hu ([193.6.40.86]:41857 "EHLO bazooka.saturnus.vein.hu") by vger.kernel.org with ESMTP id ; Sun, 24 Mar 2002 12:14:19 -0500 Date: Sun, 24 Mar 2002 18:14:15 +0100 To: Mikael Pettersson Cc: bazooka@enclavenet.hu, linux-kernel@vger.kernel.org Subject: Re: io-apic not working on i850mv(p4) Message-ID: <20020324181415.A389@bazooka.saturnus.vein.hu> In-Reply-To: <200203241442.PAA10726@harpo.it.uu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.20i From: Banai Zoltan Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Mar 24, 2002 at 03:42:01PM +0100, Mikael Pettersson wrote: > >So it seems to me that the problem is with kernel-bios communication. > >Maybe the kernel needs the bios to supply the SMP layout? > >Or ther is need to relocate the DMI scan to early boot stage? > > My ASUS P4T-E is supposed to have an IO-APIC in its 850 chipset, > and the BIOS setup does allow me to specify apic delivery mode, > but I've never been able to get the kernel (SMP or UP_IOAPIC) > to detect the IO-APIC. > > My guess is that Linux only finds the IO-APIC if it's listed in > the MP-table. Perhaps newer boxes publish the info via ACPI? I have ACPI configured in, but it does not publish it for me:( I woud be courious if there is some development, so that linux finds IO-APIC without supplied MP table. Regards, Banai - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/