From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cong Wang Subject: Re: kernel BUG at net/core/skbuff.c:2839 RIP [] skb_segment+0x6b2/0x6d0 Date: Sun, 17 Nov 2013 19:59:56 +0000 (UTC) Message-ID: References: <1287049824.20131117201744@eikelenboom.it> To: netdev@vger.kernel.org Return-path: Received: from plane.gmane.org ([80.91.229.3]:44121 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752006Ab3KQUAT (ORCPT ); Sun, 17 Nov 2013 15:00:19 -0500 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Vi8W0-0003Ov-RE for netdev@vger.kernel.org; Sun, 17 Nov 2013 21:00:16 +0100 Received: from c-24-5-209-215.hsd1.ca.comcast.net ([24.5.209.215]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 17 Nov 2013 21:00:16 +0100 Received: from xiyou.wangcong by c-24-5-209-215.hsd1.ca.comcast.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 17 Nov 2013 21:00:16 +0100 Sender: netdev-owner@vger.kernel.org List-ID: On Sun, 17 Nov 2013 at 19:17 GMT, Sander Eikelenboom wrote: > Hi Eric, > > With the linux-net changes from this merge window i get the kernel panic below (not with 3.12.0). > > It's on a machine running Xen, 2x rtl8169 nic, and using a bridge for guest networking. > This panic in the host kernel only seems to occur when generating a lot of network traffic to and from a guest. > > I tried reverting "tcp: gso: fix truesize tracking" 0d08c42cf9a71530fef5ebcfe368f38f2dd0476f, but that didn't help. > > -- > Sander > > [ 1164.511712] ------------[ cut here ]------------ > [ 1164.518446] kernel BUG at net/core/skbuff.c:2839! This is discussed in another long thread: http://marc.info/?t=138419721200049&r=1&w=2