Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:34935 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707Ab1CCHFu convert rfc822-to-8bit (ORCPT ); Thu, 3 Mar 2011 02:05:50 -0500 Received: by wyg36 with SMTP id 36so769186wyg.19 for ; Wed, 02 Mar 2011 23:05:49 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20110226183542.75bc1786@realh.co.uk> References: <20110224182022.57e32862@toddler> <20110224200203.GB17412@elie> <20110225144718.63550601@realh.co.uk> <20110225165745.4860afe0@realh.co.uk> <20110226183542.75bc1786@realh.co.uk> Date: Thu, 3 Mar 2011 12:35:49 +0530 Message-ID: Subject: Re: [ath9k-devel] ath9k causes lockups since kernel 2.6.35 From: Vivek Natarajan To: Tony Houghton Cc: Balasubramanian , linux-wireless , Jouni Malinen , Jonathan Nieder , ath9k-devel@lists.ath9k.org, Vasanthakumar Thiagarajan , Senthil@venema.h4ckr.net, Vivek Natarajan Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun, Feb 27, 2011 at 12:05 AM, Tony Houghton wrote: > On Fri, 25 Feb 2011 16:57:45 +0000 > Tony Houghton wrote: > >> On Fri, 25 Feb 2011 21:37:25 +0530 >> Mohammed Shafi wrote: >> >> > On Fri, Feb 25, 2011 at 8:17 PM, Tony Houghton wrote: >> > > >> > >> >> I haven't tried looking in logs because the crashes are so severe I >> > >> >> don't think they'd be able to record anything useful. >> > >> > Can you please get those messages with net console ? > > No, I can't get it to work. I found a good guide at > > and adapted it for Debian but absolutely no messages appear. I connected > it via Ethernet to another netbook which runs Ubuntu. On the Debian one > (the one with the problem I want to debug) I added to > /etc/network/interfaces: > > auto eth0 > iface eth0 inet static > ? ?address 10.0.0.20 > ? ?netmask 255.255.255.0 > > and on Ubuntu: > > auto eth0 > iface eth0 inet static > ? ?address 10.0.0.10 > ? ?netmask 255.255.255.0 > > On the Debian one I added netconsole to > /etc/modules and created /etc/modprobe.d/netconsole.conf containing: > > options netconsole netconsole=4444@10.0.0.20/eth0,6666@10.0.0.10/00:1E:68:DD:DB:40 I used to give dmesg -n 8 along with the above command and I get all the messages in the remote laptop. > > On the Ubuntu one I ran: > > nc -l -u 6666 > > I've double-checked the addresses etc and verified that the link is up > and the netconsole module is loaded, but no messages appear. > Can you please try this once again with the above debug level and see if you get the crash log? Vivek.