Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751740AbXBDBQa (ORCPT ); Sat, 3 Feb 2007 20:16:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751802AbXBDBQa (ORCPT ); Sat, 3 Feb 2007 20:16:30 -0500 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:60586 "EHLO ebiederm.dsl.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751740AbXBDBQ3 (ORCPT ); Sat, 3 Feb 2007 20:16:29 -0500 From: ebiederm@xmission.com (Eric W. Biederman) To: "Adam Kropelin" Cc: "Auke Kok" , "Adrian Bunk" , "Linus Torvalds" , "Andrew Morton" , "Linux Kernel Mailing List" , , , "Allen Parker" , , , , Subject: Re: 2.6.20-rc7: known regressions (v2) (part 1) References: <20070203004447.GJ3754@stusta.de> <45C42669.2010105@intel.com> <089b01c747be$0ca22620$84163e05@kroptech.com> <45C4F3F1.6060500@intel.com> <098001c747e9$d8931b60$84163e05@kroptech.com> Date: Sat, 03 Feb 2007 18:14:53 -0700 In-Reply-To: <098001c747e9$d8931b60$84163e05@kroptech.com> (Adam Kropelin's message of "Sat, 3 Feb 2007 18:20:08 -0500") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 938 Lines: 24 "Adam Kropelin" writes: >> Can I get the corresponding lspci -xxx output. I suspect the BIOS >> did not program the hypertransport MSI mapping capabilities correctly. >> All it has to do is set the enable but still, occasionally BIOS >> writers miss the most amazing things. > > Here you go. This is from 2.6.20-rc7. Thanks. Conclusion. I could not find bit 16 (the enable bit) set in any of your hypertransport msi mapping capabilities. So MSI interrupts won't work until someone enables your chipset to transform them into hypertransport interrupts. Ideally it is a BIOS issue, but it may be the kind of thing we can fix up with quirks in the kernel. Eric - 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/