From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751546AbWFBXbp (ORCPT ); Fri, 2 Jun 2006 19:31:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751550AbWFBXbp (ORCPT ); Fri, 2 Jun 2006 19:31:45 -0400 Received: from web51014.mail.yahoo.com ([206.190.39.79]:60774 "HELO web51014.mail.yahoo.com") by vger.kernel.org with SMTP id S1751546AbWFBXbp (ORCPT ); Fri, 2 Jun 2006 19:31:45 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding; b=pDp/EgXxZykLw5GdRYIkNoFktb6alpjWStiCnxgHS6outmXKrehFKRyVIdC1se7PW8MG9vRnVKR+hqJLXRrc3mS1ohvmFvbXGFd2okKzvq2lv1ctwY+6TnBedoOMrcoAN+zIW99KIy7tjRbBKXrkm2+MGAAHe9+2K3K5NdWG/Fc= ; Message-ID: <20060602233144.15195.qmail@web51014.mail.yahoo.com> Date: Fri, 2 Jun 2006 16:31:44 -0700 (PDT) From: Matthew L Foster Subject: icmp or table->lock deadlock bug? (lockdep) To: linux-kernel@vger.kernel.org Cc: mfoster167@yahoo.com MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Perhaps someone has hit this one already but in case not: ==================================== [ BUG: possible deadlock detected! ] ------------------------------------ kicker/2665 is trying to acquire lock: (&table->lock){-.-+}, at: [] ipt_do_table+0x68/0x294 but task is already holding lock: (&table->lock){-.-+}, at: [] ipt_do_table+0x68/0x294 which could potentially lead to deadlocks! other info that might help us debug this: 2 locks held by kicker/2665: #0: (&table->lock){-.-+}, at: [] ipt_do_table+0x68/0x294 #1: (&sk->sk_lock.slock#3){-+..}, at: [] icmp_send+0x100/0x332 stack backtrace: show_trace+0x16/0x19 dump_stack+0x1a/0x1f __lockdep_acquire+0x6c6/0x907 lockdep_acquire+0x4b/0x63 _read_lock_bh+0x27/0x2f ipt_do_table+0x68/0x294 ipt_hook+0x1b/0x20 nf_iterate+0x26/0x5a nf_hook_slow+0x41/0xba ip_push_pending_frames+0x2e2/0x3a9 icmp_push_reply+0xc2/0xcd icmp_send+0x2d3/0x332 reject+0x49/0x551 ipt_do_table+0x241/0x294 ipt_hook+0x1b/0x20 nf_iterate+0x26/0x5a nf_hook_slow+0x41/0xba ip_local_deliver+0x58/0x1e6 ip_rcv+0x3d5/0x402 netif_receive_skb+0x13d/0x1a4 process_backlog+0x7c/0x112 net_rx_action+0x5b/0xed __do_softirq+0x45/0x9f do_softirq+0x45/0xa4 ======================= irq_exit+0x30/0x3c do_IRQ+0x70/0x7d common_interrupt+0x25/0x2c __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com