From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] ipv4: fix the rcu race between free_fib_info and ip_route_output_slow Date: Wed, 23 May 2012 07:08:38 +0200 Message-ID: <1337749718.3361.1671.camel@edumazet-glaptop> References: <1337742123.14538.175.camel@ymzhang.sh.intel.com> <20120522.232310.911242148705021745.davem@davemloft.net> <1337743841.14538.178.camel@ymzhang.sh.intel.com> <20120522.234920.1047532847473945281.davem@davemloft.net> <1337748069.14538.181.camel@ymzhang.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: David Miller , kunx.jiang@intel.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Yanmin Zhang Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:50642 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751958Ab2EWFIo (ORCPT ); Wed, 23 May 2012 01:08:44 -0400 In-Reply-To: <1337748069.14538.181.camel@ymzhang.sh.intel.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 2012-05-23 at 12:41 +0800, Yanmin Zhang wrote: > We did test it. But it's hard to reproduce it. We hit it the issue > for a couple of times when running MTBF testing on Android smart phone. > Mostly, it happens after MTBF runs for more than 12 hours. To releasing > the product, MTBF testing should run for hundreds of hours. This bug > blocks it. > I have an idea how to trigger this in my test machine. > We would submit it formally and also run more testing. > > Sorry for taking you too much time. Hey, you fix a bug, take your time and dont worry. Thanks