From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 14451] New: b44 BCM4401 immediate disconnect and power down after ip assignment Date: Tue, 3 Nov 2009 15:23:08 -0800 Message-ID: <20091103152308.d17ed779.akpm@linux-foundation.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: bugzilla-daemon@bugzilla.kernel.org, bugme-daemon@bugzilla.kernel.org, netdev@vger.kernel.org, andreas@schipplock.de To: Gary Zambrano Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:48247 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751824AbZKCXXh (ORCPT ); Tue, 3 Nov 2009 18:23:37 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Wed, 21 Oct 2009 07:38:13 GMT bugzilla-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=14451 > > Summary: b44 BCM4401 immediate disconnect and power down after > ip assignment > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.31.4 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: high > Priority: P1 > Component: Network > AssignedTo: drivers_network@kernel-bugs.osdl.org > ReportedBy: andreas@schipplock.de > Regression: No > > > Hi, > I compiled the linux kernel 2.6.31.4 and after "dhcpcd" wanted to assign an ip, > it worked for 500ms and I then got the following message being repeated a _lot_ > in dmesg: > > b44: eth0: powering down PHY > b44: eth0: Link is down. > b44: eth0: Link is up at 100 Mbps, full duplex. > b44: eth0: Flow control is off for TX and off for RX. > b44: eth0: powering down PHY > b44: eth0: Link is down. > b44: eth0: Link is up at 100 Mbps, full duplex. > b44: eth0: Flow control is off for TX and off for RX. > > These messages repeat endlessly and I can't establish a connection. > > The exact name of the ethernet controller is: "08:00.0 Ethernet controller: > Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)" regarding lspci output. > > When I execute "ifconfig" every 500ms I can see that the device "eth0" gets a > valid ip but the next time I execute ifconfig the ip is already "gone" and I > again get the the messages posted above in dmesg. > > I first thought was that I have a media problem so I replaced all my wires but > the problem still exists and the problem doesn't appear on the 2.6.28.x kernel > which I ran before. I even installed linux mint in a hurry to see if it's > really not a hardware issue and it worked there without a problem (using kernel > 2.6.28-11, that's how they call it). > > I've got no further idea. I created three different config files from scratch > using menuconfig. In the end I even thought other modules are conflicting and I > adapted the config so it only fits for my specific hardware which gave me some > good boot time but no success regarding the bcm4401 issue. > > Any help is appreciated. >