netdev - Re: BUG/ spinlock lockup, 2.6.24

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Message-ID: <47B5FE1E.5080804@gmail.com>
Date:	Fri, 15 Feb 2008 22:03:26 +0100
From:	Jarek Poplawski <jarkao2@...il.com>
To:	unlisted-recipients:; (no To-header on input)
CC:	Denys Fedoryshchenko <denys@...p.net.lb>,
	Bart Van Assche <bart.vanassche@...il.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: BUG/ spinlock lockup, 2.6.24

Jarek Poplawski wrote, On 02/15/2008 09:21 PM:

> Denys Fedoryshchenko wrote, On 02/15/2008 08:42 PM:
> ...
> 
>> I have similar crashes on completely different hardware with same job (QOS), 
>> so i think it is actually some nasty bug in networking.
> 
> Maybe you could try with some other debugging options? E.g. since lockdep
> doesn't help - turn this off. Instead try some others, like these:

...On the other hand this:

> Feb 15 15:50:17 217.151.X.X [1521315.068984] BUG: spinlock lockup on CPU#1, 
> ksoftirqd/1/7, f0551180

seems to point just at spinlock lockup, so it's more about the full report.
I wonder if this patch to prink could help here:

author	Ingo Molnar <mingo at elte.hu>
	Fri, 25 Jan 2008 20:07:58 +0000 (21:07 +0100)
printk: make printk more robust by not allowing recursion

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=32a76006683f7b28ae3cc491da37716e002f198e

Jarek P.
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