From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: skge dysfunction on Amd X2 machine with 4GB memory Date: Tue, 20 Feb 2007 11:50:29 -0800 Message-ID: <20070220115029.7b6b7e66@freekitty> References: <20070211145755.GW3438@mea-ext.zmailer.org> <20070220071502.GA5081@tuatara.stupidest.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Matti Aarnio , netdev@vger.kernel.org To: Chris Wedgwood Return-path: Received: from smtp.osdl.org ([65.172.181.24]:45849 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030373AbXBTTun (ORCPT ); Tue, 20 Feb 2007 14:50:43 -0500 In-Reply-To: <20070220071502.GA5081@tuatara.stupidest.org> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Mon, 19 Feb 2007 23:15:02 -0800 Chris Wedgwood wrote: > 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)? This needs to be done in via PCI quirks blacklisting. The driver has no real way to test it. -- Stephen Hemminger