From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: kernel panic, inconsistent lock, vanilla 3.3.4, 32bit, tcp Date: Sun, 29 Apr 2012 10:17:47 +0200 Message-ID: <1335687467.2900.70.camel@edumazet-glaptop> References: <04009a9cbb27bf97cb7d86612191b751@visp.net.lb> <1335684762.2900.69.camel@edumazet-glaptop> <6e1a75b751372f0ca5a58c2d0122a3cc@visp.net.lb> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, Glauber Costa To: Denys Fedoryshchenko Return-path: Received: from mail-we0-f174.google.com ([74.125.82.174]:36138 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751561Ab2D2IRx (ORCPT ); Sun, 29 Apr 2012 04:17:53 -0400 Received: by wejx9 with SMTP id x9so1246937wej.19 for ; Sun, 29 Apr 2012 01:17:52 -0700 (PDT) In-Reply-To: <6e1a75b751372f0ca5a58c2d0122a3cc@visp.net.lb> Sender: netdev-owner@vger.kernel.org List-ID: 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)