From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ra.tuxdriver.com ([70.61.120.52]:4645 "EHLO ra.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752926AbXHQRoU (ORCPT ); Fri, 17 Aug 2007 13:44:20 -0400 Date: Fri, 17 Aug 2007 13:25:22 -0400 From: "John W. Linville" To: Alan Jenkins Cc: linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, flamingice@sourmilk.net Subject: Re: rtl8187: Invalid hwaddr! Using randomly generated MAC address Message-ID: <20070817172522.GD6090@tuxdriver.com> References: <46C5C5E5.3040503@tuffmail.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <46C5C5E5.3040503@tuffmail.co.uk> Sender: linux-wireless-owner@vger.kernel.org List-ID: Probably want to copy linux-wireless@vger.kernel.org on wireless-related posts. Adding Michael Wu to the CC: as well... John On Fri, Aug 17, 2007 at 04:59:33PM +0100, Alan Jenkins wrote: > I've just acquired this buggy piece of hardware otherwise known as a > NetGear WG111v2. I googled and eventually found an explanation in the > form of source code here: > > . > > > It seems linux rejects the hardware MAC address because it is either all > zero or a multicast address (ie the first byte has 0x01 set. > > On the side of this buggy piece of hardware is written: > > MAC 001B2F7604E6 > > which AFAICS is valid; it's definitely not all zeros and the first byte > has no bits set at all. > > > Q. Udev can't access the invalid mac address. Does that mean there is > no persistent identifier for the device? I know I could identify a > device as a NetGear WG111v2, but I do have two of them. It would be > nice if I could fix them by adding udev rules to identify individual > devices, and set their MAC address to what it's "supposed" to be. > > /me scrabbles around for a Windows installation to find out whether the > MAC address is somehow set correctly on the Other OS. > - > 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/ -- John W. Linville linville@tuxdriver.com