From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dmitry Kravkov" Subject: Re: ipgre rss is broken since gro Date: Sun, 9 Dec 2012 04:04:05 +0200 Message-ID: <1355018645.3113.0.camel@lb-tlvb-dmitry.il.broadcom.com> References: <504C9EFCA2D0054393414C9CB605C37F1BFB80B2@SJEXCHMB06.corp.ad.broadcom.com> <504C9EFCA2D0054393414C9CB605C37F1BFB80D8@SJEXCHMB06.corp.ad.broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: "netdev@vger.kernel.org" To: "Eric Dumazet" Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:2104 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030350Ab2LICD5 (ORCPT ); Sat, 8 Dec 2012 21:03:57 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Sat, 2012-12-08 at 18:01 -0800, Eric Dumazet wrote: > On Sat, Dec 8, 2012 at 3:31 PM, Dmitry Kravkov wrote: > > Here is the trace for a while: > > > > BUG: unable to handle kernel NULL pointer dereference at (null) > > IP: [] skb_gro_receive+0xbe/0x5a0 > > Hi Dmitry > > NULL pointer deref probably fixed on net tree (or Linus tree) by > > http://git.kernel.org/?p=linux/kernel/git/davem/net.git;a=commit;h=c3c7c254b2e8cd99b0adf288c2a1bddacd7ba255 > > For the GRO stuff and RSS, I wonder if skbs have a property that makes > them dropped somewhere, you might try drop_monitor / drop_watch > I will try both and update ... Thanks