From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valdis.Kletnieks@vt.edu Subject: Re: mmotm 2010-04-05-16-09 uploaded Date: Wed, 07 Apr 2010 14:01:49 -0400 Message-ID: <13074.1270663309@localhost> References: <201004052336.o35NaeSE015814@imap1.linux-foundation.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1270663309_3901P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, netfilter-devel@vger.kernel.org, netdev@vger.kernel.org To: Andrew Morton , Peter Zijlstra , Ingo Molnar , Patrick McHardy , "David S. Miller" Return-path: In-Reply-To: Your message of "Mon, 05 Apr 2010 16:09:45 PDT." <201004052336.o35NaeSE015814@imap1.linux-foundation.org> Sender: netfilter-devel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org --==_Exmh_1270663309_3901P Content-Type: text/plain; charset=us-ascii On Mon, 05 Apr 2010 16:09:45 PDT, akpm@linux-foundation.org said: > The mm-of-the-moment snapshot 2010-04-05-16-09 has been uploaded to > > http://userweb.kernel.org/~akpm/mmotm/ Seen in dmesg, 2.6.34-rc2-mmotm0323 didn't do this. Tossing it at all the likely suspects, hopefully somebody will recognize it and save me the bisecting. ;) [ 11.488535] ctnetlink v0.93: registering with nfnetlink. [ 11.488579] [ 11.488579] =================================================== [ 11.489529] [ INFO: suspicious rcu_dereference_check() usage. ] [ 11.489988] --------------------------------------------------- [ 11.490494] net/netfilter/nf_conntrack_ecache.c:88 invoked rcu_dereference_check() without protection! [ 11.491024] [ 11.491024] other info that might help us debug this: [ 11.491025] [ 11.492834] [ 11.492835] rcu_scheduler_active = 1, debug_locks = 0 [ 11.494124] 1 lock held by swapper/1: [ 11.494776] #0: (nf_ct_ecache_mutex){+.+...}, at: [] nf_conntrack_register_notifier+0x1a/0x76 [ 11.495505] [ 11.495506] stack backtrace: [ 11.496927] Pid: 1, comm: swapper Not tainted 2.6.34-rc3-mmotm0405 #1 [ 11.497668] Call Trace: [ 11.498419] [] lockdep_rcu_dereference+0xaa/0xb2 [ 11.499185] [] nf_conntrack_register_notifier+0x3d/0x76 [ 11.499967] [] ctnetlink_init+0x71/0xd5 [ 11.500775] [] ? ctnetlink_init+0x0/0xd5 [ 11.501579] [] do_one_initcall+0x59/0x14e [ 11.502396] [] kernel_init+0x144/0x1ce [ 11.503218] [] kernel_thread_helper+0x4/0x10 [ 11.504047] [] ? restore_args+0x0/0x30 [ 11.504882] [] ? kernel_init+0x0/0x1ce [ 11.505715] [] ? kernel_thread_helper+0x0/0x10 [ 11.506636] ip_tables: (C) 2000-2006 Netfilter Core Team [ 11.507372] TCP bic registered --==_Exmh_1270663309_3901P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFLvMiNcC3lWbTT17ARAn4kAJ9/0RdAq3s0dOuASnNdracwxYzltACdFoxk awnQo03tntDhlr0YT0ahASU= =dQIQ -----END PGP SIGNATURE----- --==_Exmh_1270663309_3901P--