From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: skb_release_data oops Date: Fri, 25 May 2012 17:11:44 +0200 Message-ID: <1337958704.3347.44.camel@edumazet-glaptop> References: <4FBF9876.032A7B.32344@m12-16.163.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev To: kendo Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:62219 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754124Ab2EYPLs (ORCPT ); Fri, 25 May 2012 11:11:48 -0400 Received: by eaak11 with SMTP id k11so271362eaa.19 for ; Fri, 25 May 2012 08:11:47 -0700 (PDT) In-Reply-To: <4FBF9876.032A7B.32344@m12-16.163.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 2012-05-25 at 22:19 +0800, kendo wrote: > I use the Linux kernel 2.6..38.8,found a bug when free skb,This failure may occur because what was it? Can you give some suggestions, thanks!!!! > > Best reguards. > > --------------------------------------------------------------- > > May 25 19:30:54 AnShion <9> klogd: [164619.378640] BUG: unable to handle kernel paging request at 000095a3 > May 25 19:30:54 AnShion <9> klogd: [164619.454609] IP: [] put_page+0x3/0x40 > May 25 19:30:54 AnShion <12> klogd: [164619.508726] *pde = 00000000 > May 25 19:30:54 AnShion <8> klogd: [164619.544185] Oops: 0000 [#1] SMP > May 25 19:30:54 AnShion <8> klogd: [164619.583891] last sysfs file: /sys/devices/virtual/net/tunl_FJ/uevent > May 25 19:30:54 AnShion <12> klogd: [164619.660716] Modules linked in: > dpi_engine ipmi_watchdog nf_connmark ip_set_hash_netiface ip_set_hash_net ip_set_hash_ip xt_set ip_set \ > xt_hashrate xt_dpi xt_pcc xt_nth xt_random xt_nflog xt_replace igb e1000e Looks like you use a bunch of alien modules. netdev is not the place to discuss of their bugs.