From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Russ W. Knize" Subject: Re: Tyan Tiger 100 (S1832) IO-APIC Problems Date: Wed, 25 Feb 2004 00:35:55 -0600 Sender: linux-smp-owner@vger.kernel.org Message-ID: <1077690954.28353.6.camel@localhost> References: <45181.136.182.2.222.1077051757.squirrel@www.metagalaxy.net> <1077154734.1087.13.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1077154734.1087.13.camel@localhost> List-Id: Content-Type: text/plain; charset="us-ascii" To: linux-smp@vger.kernel.org Just in case anyne might be interested, I have been trying to debug this issue. It seems that pirq_find_routing_table() is not locating the table in the range it is looking. I turned on debug trace and added some other debug code. The PIRQ signature is not there in that range at all. Without the table, the router is not identified. I also tried forcing ACPI to be enabled, but that didn't seem to help. Whether or not any of this matters in the end is a little unclear to me at this point. I have experience with (c)PCI, but not on x86 hardware. Is there an online resource that explains how the APIC is supposed to work in a bit more detail? There aren't very many comments in the code to go on. Thanks. -- Russ W. Knize http://www.knizefamily.net/russ/