From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wedgwood Subject: Re: skge dysfunction on Amd X2 machine with 4GB memory Date: Mon, 19 Feb 2007 23:15:02 -0800 Message-ID: <20070220071502.GA5081@tuatara.stupidest.org> References: <20070211145755.GW3438@mea-ext.zmailer.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: Matti Aarnio Return-path: Received: from smtp107.sbc.mail.mud.yahoo.com ([68.142.198.206]:39250 "HELO smtp107.sbc.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S964826AbXBTHVn (ORCPT ); Tue, 20 Feb 2007 02:21:43 -0500 Content-Disposition: inline In-Reply-To: <20070211145755.GW3438@mea-ext.zmailer.org> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Sun, Feb 11, 2007 at 04:57:55PM +0200, Matti Aarnio wrote: > With the skge driver there seems to be some sort of problem to work > in a system with memory above the 4 GB of PCI address space. The chipset (apparently) doesn't deal with bus addresses over 4GB even though the MAC does. I guess the right way to fix this long term is to detect systems with these chips and mask the dma_mask globally (or if you're clever per bus)?