From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752586Ab2GQSZI (ORCPT ); Tue, 17 Jul 2012 14:25:08 -0400 Received: from plane.gmane.org ([80.91.229.3]:50285 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750847Ab2GQSZE (ORCPT ); Tue, 17 Jul 2012 14:25:04 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Galen Seitz Subject: Re: PCI ACPI/IRQ-routing broken on H77 chipset + Ivy Bridge (kernel 3.5-rc7 and earlier) Date: Tue, 17 Jul 2012 18:01:32 +0000 (UTC) Message-ID: References: <5002BC55.3050107@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: sea.gmane.org User-Agent: Loom/3.14 (http://gmane.org/) X-Loom-IP: 216.99.217.243 (Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:13.0) Gecko/20100101 Firefox/13.0.1) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Malte Schröder gmx.de> writes: > > Hello, > this is yet another try to get someone to look at this ;) > > I can't get PCI-devices to work on my DH77KC mainboard. I tested this > using an AVM B1 ISDN card, a Fritz!PCI card and an old 3Com 905c NIC. > I attached some dumps in case it helps. The CPU is a Core i7 3770. > > PCI hardware is detected by the kernel, but it gives IRQ errors. Using > irqpoll allows the PCI card to somewhat work, but it is unreliable. > > There are some reports in Intel's support forums that also report > PCI-problems with this mainboard, but Intel doesn't seem to be > interested. So I hope this is something that is fixable on the kernel side. > > If there is more information needed, please let me know. > I was having similar problems with my DH77KC. I discovered that the BIOS interrupt routing tables for the conventional PCI slots are incorrect. See the discussion here: https://bugzilla.kernel.org/show_bug.cgi?id=43238 Galen Seitz