From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756460AbXHEEvr (ORCPT ); Sun, 5 Aug 2007 00:51:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751905AbXHEEvj (ORCPT ); Sun, 5 Aug 2007 00:51:39 -0400 Received: from ms-smtp-04.nyroc.rr.com ([24.24.2.58]:39058 "EHLO ms-smtp-04.nyroc.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751664AbXHEEvi (ORCPT ); Sun, 5 Aug 2007 00:51:38 -0400 Subject: [BUG RT] - rcupreempt.c:133 on 2.6.23-rc1-rt7 From: Steven Rostedt To: "Paul E. McKenney" Cc: Ingo Molnar , Thomas Gleixner , RT , LKML Content-Type: text/plain Date: Sun, 05 Aug 2007 00:51:24 -0400 Message-Id: <1186289484.636.5.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.10.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Why is it, that every time I go to write examples for my chapter in a book, that I hit a bug! I got this on bootup of my Thinkpad G41 running SMP. Installing knfsd (copyright (C) 1996 okir@monad.swb.de). WARNING: at kernel/rcupreempt.c:133 __rcu_read_lock() [] show_trace_log_lvl+0x35/0x54 [] show_trace+0x2c/0x2e [] dump_stack+0x29/0x2b [] __rcu_read_lock+0x13f/0x14e [] ip_local_deliver+0x73/0x2b6 [] ip_rcv+0x2d8/0x5ee [] netif_receive_skb+0x2b7/0x3fc [] process_backlog+0xb0/0x148 [] net_rx_action+0xe0/0x1dd [] ksoftirqd+0x126/0x240 [] kthread+0x44/0x69 [] kernel_thread_helper+0x7/0x10 ======================= I don't have time to look further now, and it's something that isn't easily reproducible (Well, it happened once out of two boots). If you need me to look further, or need a config or dmesg (I have both), then just give me a holler. -- Steve