From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [BUG] linux-2.6.28-rc3 regression: IRQ smp_affinities not respected Date: Wed, 05 Nov 2008 01:58:38 -0800 (PST) Message-ID: <20081105.015838.25391202.davem@davemloft.net> References: <49113E31.8080106@cosmosbay.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: dada1@cosmosbay.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: mchan@broadcom.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:45953 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751184AbYKEJ7D (ORCPT ); Wed, 5 Nov 2008 04:59:03 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: "Michael Chan" Date: Tue, 4 Nov 2008 22:45:43 -0800 > I believe this may be the patch that broke it: > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ce6fce4295ba727b36fdc73040e444bd1aae64cd > > I don't remember all the details, but the Broadcom 5708 chip is > affected because it does not support MSI per-vector masking. > > One way to get around is to disable MSI with bnx2 parameter > disable_msi=1. On first glance my reaction is that I think that patch should be reverted, given what the tradeoff appears to be.