netdev - Re: kernel panic, inconsistent lock, vanilla 3.3.4, 32bit, tcp

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Message-ID: <1335687467.2900.70.camel@edumazet-glaptop>
Date:	Sun, 29 Apr 2012 10:17:47 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Denys Fedoryshchenko <denys@...p.net.lb>
Cc:	netdev@...r.kernel.org, Glauber Costa <glommer@...allels.com>
Subject: Re: kernel panic, inconsistent lock, vanilla 3.3.4, 32bit, tcp

On Sun, 2012-04-29 at 11:00 +0300, Denys Fedoryshchenko wrote:
> On 2012-04-29 10:32, Eric Dumazet wrote:
> > On Sun, 2012-04-29 at 00:45 +0300, Denys Fedoryshchenko wrote:
> >> Hi
> >>
> >> Just got repeatable kernel panic on loaded proxy server
> >>
> >> Here is the log:
> 
> >>
> >> ---
> >> Denys Fedoryshchenko
> >
> > Seems to be related to Glauber Costa work
> >
> > sk_memory_allocated_add() seems to assume __percpu_counter_add() is 
> > irq
> > safe (truth is : it is not safe)
> 
> Not sure if it is related, but at my case, CONFIG_CGROUPS is not set
> 


Hmm, so its an old bug...

I'll take a look, thanks a lot !

(I am going to reply on your new thread since its better formatted)



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