Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757959AbZAGGsf (ORCPT ); Wed, 7 Jan 2009 01:48:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753834AbZAGGs0 (ORCPT ); Wed, 7 Jan 2009 01:48:26 -0500 Received: from fg-out-1718.google.com ([72.14.220.153]:4848 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751020AbZAGGsY (ORCPT ); Wed, 7 Jan 2009 01:48:24 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=kMGVojpGh7a6qqwqyQU+LwU77YAL7VWp9SKg+Npxua3tL+tkM8rDxihE3thraTLH3E 7deF8K+slEuJBL0MXlF0Fw41Hfxt/qsTY4Kbz4NxajyiphBXnWXvN2u2J/g+k6kQuYdS 95d1OWkMehyT+9jI1+FyO2ynu4aBTNyLHiEBw= Message-ID: <84144f020901062248j5d406656wb21130d914c7749d@mail.gmail.com> Date: Wed, 7 Jan 2009 08:48:22 +0200 From: "Pekka Enberg" To: "Justin P. Mattock" Subject: Re: [ 286.547348] BUG: unable to handle kernel paging request at 6b6b6b6b Cc: linux-kernel@vger.kernel.org, "Rusty Russell" In-Reply-To: <4963F368.7080909@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <4963F368.7080909@gmail.com> X-Google-Sender-Auth: 5c7368c12d508fbf Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4348 Lines: 89 Hi Justin, On Wed, Jan 7, 2009 at 2:12 AM, Justin P. Mattock wrote: > With pulling git today I'm unable to shut the machine down completely. > (the system just sits there with the message on the screen); > > * will now halt > [ 286.547348] BUG: unable to handle kernel paging request at 6b6b6b6b That looks like use-after-free in __stop_machine() so lets cc Rusty. If you want, you can convert the oops location into human-readable form. Just search for "GDB" in Documentation/BUG-HUNTING for instructions how to do that. And don't forget to send your .config. > [ 286.548940] IP: [] __stop_machine+0x88/0xe3 > [ 286.550598] Oops: 0002 [#1] SMP > [ 286.552206] last sysfs file: /sys/block/sda/removeable > [ 286.553844] Modules linked in: hidp radeon drm agpgart btusb rfcomm bnep > sco l2cap bluetooth fan battery container ipt_LOG xt_limit xt_tcpudp > xt_state ipt_addrtype nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_nat > nf_conntrack_ftp 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 > eeprom acpi_cpufreq cpufreq_powersave cpufreq_performance cpufreq_ondemand > cpufreq_conservative appletouch snd_had_codec_idt ohci1394 ehci_hcd > snd_hda_intel snd_hda_codec thermal ath9k uhci_hcd ieee1394 joydev pata_acpi > snd_hwdep snd_pcm snd_page_alloc video ac button processor applesmc evdev > [ 286.560580] > [ 286.560580] Pid: 3273, comm: halt Not tainted (2.6.28-06127-g238c6d5 #1) > MacBookPro2,2 > [ 286.560580] EIP: 0060:[] EFLAGS: 00010293 CPU: 0 > [ 286.560580] EIP: is at __stop_machine+0x88/0xe3 > [ 286.560580] EAX: 6b6b6b6b EBX: 00000000 ECX: 6b6b6b6b EDX: 00000000 > [ 286.560580] ESI: c054abe0 EDI: c03d03a4 EBP: f1a29e54 ESP: f1a29e44 > [ 286.560580] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > [ 286.560580] Process halt (pid: 3273, ti=f1a28000 task=f4530f30 > task.ti=f1a28000) > [ 286.560580] Stack: > [ 286.560580] f1a29e60 c054abe0 00000001 00000010 f1a29e7c c03d04e4 > ffffffea 00000010 > [ 286.560580] 00000001 00000003 00000022 00000001 4321fedc c054abe0 > f1a29e94 c012a57e > [ 286.560580] 00000000 ffffffff 4321fedc 28121969 f1a29e9c c01360c0 > f1a29fb0 c0136301 > [ 286.560580] Call Trace: > [ 286.560580] [] ? _cpu_down+0x10f/0x234 > [ 286.560580] [] ? disable_nonboot_cpus+0x58/0xdc > [ 286.560580] [] ? kernel_poweroff+0x22/0x39 > [ 286.560580] [] ? sys_reboot+0xde/0x14c > [ 286.560580] [] ? complete_signal+0x179/0x191 > [ 286.560580] [] ? send_signal+0x1cc/0x1e1 > [ 286.560580] [] ? _spin_unlock_irqrestore+0x2d/0x3c > [ 286.560580] [] ? group_send_signal_info+0x58/0x61 > [ 286.560580] [] ? kill_pid_info+0x30/0x3a > [ 286.560580] [] ? sys_kill+0x75/0x13a > [ 286.560580] [] ? mntput_no_expire+ox1f/0x101 > [ 286.560580] [] ? dput+0x1e/0x105 > [ 286.560580] [] ? __fput+0x150/0x158 > [ 286.560580] [] ? audit_syscall_entry+0x137/0x159 > [ 286.560580] [] ? sysenter_do_call+0x12/0x34 > [ 286.560580] Code: c7 05 10 06 62 c0 00 00 00 00 a3 f4 05 62 c0 c7 05 ec > 05 62 c0 01 00 00 00 83 cb ff eb 2d a1 1c 06 62 c0 f7 d0 8b 0c 98 8d 41 04 > 01 00 00 00 00 89 41 04 89 41 08 c7 41 0c ff 0c 15 c0 89 d8 > [ 286.560580] EIP: [] __stop_machine+0x88/0xe3 SS:ESP > 0068:f1a29e44 > [ 286.639215] ---[ end trace 5b080c1ab14203ae ] --- > Segmentation fault > > after this message appears, if I hold down the start button > the system shuts off after a few seconds. > (BTW hopefully the number are correct, > manually writing this down, is a bit of a pain); > > regards; > > Justin P. Mattock > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/