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Date: Mon, 28 Feb 2011 11:06:54 +0530
Message-ID: <AANLkTi=ZWmWZWMBSdGX8S9EfiRyv3eKEU9P3n0bfDAuJ@mail.gmail.com>
Subject: Re: [ath9k-devel] ath9k causes lockups since kernel 2.6.35
From: Mohammed Shafi <shafi.wireless@gmail.com>
To: Tony Houghton <h@realh.co.uk>
Cc: Balasubramanian <senthilkumar@atheros.com>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Jouni Malinen <jmalinen@atheros.com>,
	Jonathan Nieder <jrnieder@gmail.com>,
	ath9k-devel@lists.ath9k.org,
	Vasanthakumar Thiagarajan <vasanth@atheros.com>,
	Senthil@venema.h4ckr.net, Vivek Natarajan <vnatarajan@atheros.com>
Content-Type: text/plain; charset=ISO-8859-1
Sender: linux-wireless-owner@vger.kernel.org

On Sun, Feb 27, 2011 at 12:05 AM, Tony Houghton <h@realh.co.uk> wrote:
> On Fri, 25 Feb 2011 16:57:45 +0000
> Tony Houghton <h@realh.co.uk> wrote:
>
>> On Fri, 25 Feb 2011 21:37:25 +0530
>> Mohammed Shafi <shafi.ath9k@gmail.com> wrote:
>>
>> > On Fri, Feb 25, 2011 at 8:17 PM, Tony Houghton <h@realh.co.uk> 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
> <http://www.novell.com/communities/node/4753/netconsole-howto-send-kernel-boot-messages-over-ethernet>
> 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
>
> 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.
>
>> > > If I enable debugging is there a way to get it to sync to disc after
>> > > every message? I think the developers are going to need at least that
>> > > information to be able to track this down.
>> >
>> > Yes sure, that could narrow down the issue.
>>
>> I'll try that first because it should be easier than setting up net
>> console.
>
> I tried to reconfigure rsyslog to sync on each message but it didn't log
> anything useful :-(.

I will try to reproduce here with my platform.

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