From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933488AbZGPWa2 (ORCPT ); Thu, 16 Jul 2009 18:30:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933479AbZGPWa1 (ORCPT ); Thu, 16 Jul 2009 18:30:27 -0400 Received: from mail-gx0-f213.google.com ([209.85.217.213]:62791 "EHLO mail-gx0-f213.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933465AbZGPWa1 (ORCPT ); Thu, 16 Jul 2009 18:30:27 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=REkvrsYnzO4qiEX4geqe4ww6Xv4Y5XqhjlPN9Sl0yWXz4f11cmLeLsZANEl1QBlRZ8 XAn0+iusXqSIzxf+zU2vEYL+4ZZed1A2jPkekxiYnT3+Ca4QI+nbtHQywJybD58k5aC1 Yhi30Lwh9M4CyWUhOnTehDrcAjm9FR37u6z88= MIME-Version: 1.0 Date: Thu, 16 Jul 2009 15:30:24 -0700 Message-ID: Subject: BUG: unable to handle kernel NULL pointer dereference at 00000004 From: Justin Mattock To: Linux Kernel Mailing List Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Seems This is the first time seeing this. steps to recreate(not sure) What I was doing was simple exited out of fluxbox(killed the xserver) to read some debug messages in bash for a few minuets. Once done pressing the powerbutton(which is a simple custom rule: shutdown -h now no more no less) resulted in this: [22629.384502] BUG: unable to handle kernel NULL pointer dereference at 00000004 [22629.390005] IP: [] tty_ldisc_wait_idle+0x75/0xcd [22629.390005] *pde = 00000000 [22629.390005] Oops: 0000 [#1] SMP [22629.390005] last sysfs file: /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/net/wlan0/statistics/tx_bytes [22629.390005] Modules linked in: radeon iptable_nat nf_nat ipt_LOG xt_state nf_conntrack_ftp snd_hda_codec_idt snd_hda_intel snd_hda_codec firewire_ohci ath9k snd_hwdep firewire_core snd_pcm ohci1394 snd_timer ieee1394 ath sky2 joydev i2c_i801 evdev snd_page_alloc battery button video ac thermal drm agpgart uhci_hcd ehci_hcd hci_uart rfcomm btusb hidp l2cap bluetooth ipmi_watchdog ipmi_msghandler uvcvideo isight_firmware uinput arpt_mangle arptable_filter arp_tables nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables x_tables coretemp acpi_cpufreq processor appletouch applesmc [22629.390005] [22629.390005] Pid: 1581, comm: login Not tainted (2.6.31-rc2-00002-g9c8ccd8 #7) MacBookPro2,2 [22629.390005] EIP: 0060:[] EFLAGS: 00010246 CPU: 0 [22629.390005] EIP is at tty_ldisc_wait_idle+0x75/0xcd [22629.390005] EAX: 00000000 EBX: f4a149b0 ECX: f48ede04 EDX: 00000029 [22629.390005] ESI: 000001f4 EDI: f48ede0c EBP: f48ede18 ESP: f48eddf4 [22629.390005] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [22629.390005] Process login (pid: 1581, ti=f48ec000 task=f4990ed0 task.ti=f48ec000) [22629.390005] Stack: [22629.390005] f48eddf8 00000000 f4990ed0 c103b239 c1486b94 c1486b94 f4a149b0 f4a149c4 [22629.390005] <0> f4a14b48 f48ede30 c11ab528 00000000 f4a149b0 f4a14b48 f4a14b48 f48ede5c [22629.390005] <0> c11a5a7f 00000001 00000286 00000000 00000001 00000001 00000000 f7199d80 [22629.390005] Call Trace: [22629.390005] [] ? autoremove_wake_function+0x0/0x2f [22629.390005] [] ? tty_ldisc_hangup+0xac/0x159 [22629.390005] [] ? do_tty_hangup+0xd5/0x2b3 [22629.390005] [] ? disassociate_ctty+0x3e/0x1d8 [22629.390005] [] ? do_exit+0x1a8/0x573 [22629.390005] [] ? dequeue_signal+0xb1/0x124 [22629.390005] [] ? do_group_exit+0x5f/0x86 [22629.390005] [] ? get_signal_to_deliver+0x2e6/0x300 [22629.390005] [] ? do_notify_resume+0x77/0x6ae [22629.390005] [] ? remove_wait_queue+0x31/0x36 [22629.390005] [] ? do_wait+0x1ba/0x253 [22629.390005] [] ? default_wake_function+0x0/0xd [22629.390005] [] ? audit_syscall_exit+0x2da/0x2f2 [22629.390005] [] ? work_notifysig+0x13/0x19 [22629.390005] Code: 00 f3 ab 89 55 e4 c7 45 e8 39 b2 03 c1 8d 55 ec 89 55 ec 89 55 f0 b8 84 6b 48 c1 b9 02 00 00 00 8d 55 e0 e8 40 04 e9 ff 8b 43 3c <83> 78 04 00 74 0d 89 f0 e8 5c 39 15 00 89 c6 85 c0 75 d8 8d 55 [22629.390005] EIP: [] tty_ldisc_wait_idle+0x75/0xcd SS:ESP 0068:f48eddf4 [22629.390005] CR2: 0000000000000004 [22629.848586] ---[ end trace 8e9b6fafeaa6890a ]--- [22629.860085] Fixing recursive fault but reboot is needed! must have exited to bash for at least a half hour or so before pressing the power button. -- Justin P. Mattock