Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755483AbYJIIaG (ORCPT ); Thu, 9 Oct 2008 04:30:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751490AbYJII3y (ORCPT ); Thu, 9 Oct 2008 04:29:54 -0400 Received: from smtp-vbr3.xs4all.nl ([194.109.24.23]:4408 "EHLO smtp-vbr3.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751343AbYJII3w (ORCPT ); Thu, 9 Oct 2008 04:29:52 -0400 Date: Thu, 9 Oct 2008 10:29:50 +0200 From: Folkert van Heusden To: linux-kernel@vger.kernel.org Subject: [2.6.27-rc7] oops in usbcore Message-ID: <20081009082946.GG23933@vanheusden.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Organization: www.unixexpert.nl X-Chameleon-Return-To: folkert@vanheusden.com X-Xfmail-Return-To: folkert@vanheusden.com X-Phonenumber: +31-6-41278122 X-URL: http://www.vanheusden.com/ X-PGP-KeyID: 1F28D8AE X-GPG-fingerprint: AC89 09CE 41F2 00B4 FCF2 B174 3019 0E8C 1F28 D8AE X-Key: http://pgp.surfnet.nl:11371/pks/lookup?op=get&search=0x1F28D8AE Reply-By: Wed Sep 24 12:11:28 CEST 2008 X-Message-Flag: MultiTail - tail on steroids User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4847 Lines: 97 Hi, I got the following oops: [ 135.687646] BUG: unable to handle kernel paging request at f88643c8 [ 135.687654] IP: [] :usbcore:unlink1+0xab/0xb9 [ 135.687703] *pde = 34824067 *pte = 00000000 [ 135.687710] Oops: 0000 [#1] [ 135.687715] Modules linked in: sata_via via_rng cpufreq_userspace snd_usb_audio snd_via82xx snd_mpu401_uart ff_memless i2c_viapro snd_hwdep snd_hda_intel dm_snapshot psmouse parport_pc cpufreq_powersave ide_pci_generic fan ppdev parport tun cpufreq_ondemand ipv6 nls_utf8 cifs nls_base nfsd auth_rpcgss exportfs nfs lockd nfs_acl sunrpc freq_table crypto_blkcipher aes_generic rng_core snd_pcm_oss snd_mixer_oss rfcomm l2cap bluetooth gameport snd_ac97_codec ac97_bus hwmon_vid firewire_sbp2 firewire_core crc_itu_t cdrom serio_raw snd_pcm snd_usb_lib snd_timer snd_page_alloc snd_rawmidi snd_seq_device videodev ftdi_sio v4l1_compat snd soundcore i2c_core hid usbserial pci_hotplug via_agp agpgart evdev ext3 jbd mbcache dm_mirror dm_log dm_mod ide_disk libata scsi_mod dock via_rhine mii via82cxxx usbcore ide_core via_velocity crc_ccitt processor thermal_sys [last unloaded: ehci_hcd] [ 135.687798] [ 135.687803] Pid: 3589, comm: lpc-ntpd Not tainted (2.6.27-rc7-c7-c7temp-100hz-ch341 #1) [ 135.687809] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 [ 135.687841] EIP is at unlink1+0xab/0xb9 [usbcore] [ 135.687846] EAX: f4b62000 EBX: f8864394 ECX: fffffffe EDX: f74a4d40 [ 135.687851] ESI: f4b62000 EDI: f74a4d40 EBP: f609ade8 ESP: f609add4 [ 135.687856] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 [ 135.687861] Process lpc-ntpd (pid: 3589, ti=f609a000 task=f6fb8ae0 task.ti=f609a000) [ 135.687865] Stack: fffffffe f609adec f74a4d40 f422f680 00000000 f609adf4 f883c7f6 f74a4d40 [ 135.687875] f609ae1c f883d8db f4802758 f4802740 f609ae14 c012b8b1 f42d0800 f42d0800 [ 135.687885] f422f680 00000000 f609ae34 f8976e03 22222222 f897fc08 f42d0800 f42d08c4 [ 135.687894] Call Trace: [ 135.687901] [] ? usb_hcd_unlink_urb+0x15/0x22 [usbcore] [ 135.687937] [] ? usb_kill_urb+0x4d/0xc8 [usbcore] [ 135.687970] [] ? flush_workqueue+0x3b/0x42 [ 135.687987] [] ? ftdi_close+0xce/0xd6 [ftdi_sio] [ 135.688022] [] ? serial_close+0x82/0x103 [usbserial] [ 135.688042] [] ? release_dev+0x18c/0x405 [ 135.688056] [] ? trace_hardirqs_on+0xb/0xd [ 135.688068] [] ? tty_release+0xa/0xe [ 135.688075] [] ? __fput+0x99/0x169 [ 135.688086] [] ? fput+0x16/0x18 [ 135.688092] [] ? filp_close+0x50/0x5a [ 135.688099] [] ? put_files_struct+0x67/0xa9 [ 135.688108] [] ? exit_files+0x37/0x3c [ 135.688115] [] ? do_exit+0x1c9/0x6e8 [ 135.688121] [] ? finish_task_switch+0x0/0xa1 [ 135.688129] [] ? schedule+0x38c/0x3c0 [ 135.688139] [] ? sys_socketcall+0xe2/0x1a1 [ 135.688150] [] ? do_group_exit+0x5d/0x83 [ 135.688156] [] ? sys_exit_group+0x13/0x15 [ 135.688163] [] ? sysenter_do_call+0x12/0x3f [ 135.688171] ======================= [ 135.688173] Code: 89 fa e8 e7 fe ff ff b8 00 4f 85 f8 e8 b8 8e a8 c7 8b 55 f0 b8 00 4f 85 f8 e8 9f 8d a8 c7 eb 10 8b 9e bc 00 00 00 89 f0 8b 4d ec 53 34 89 c3 5e 89 d8 5f 5b 5e 5f 5d c3 55 89 e5 57 56 89 d6 [ 135.688216] EIP: [] unlink1+0xab/0xb9 [usbcore] SS:ESP 0068:f609add4 [ 135.688256] ---[ end trace 72b733a963031dcf ]--- [ 135.688260] Fixing recursive fault but reboot is needed! System: VIA SN18000G epia C7 with 4GB of ram lpc-ntpd is a atomic clock receiver driver doing read()-calls on an fd from a serial device (connected via usb), nothing fancy (http://vanheusden.com/lpc-ntpd/ ). This oops is very much reproducable using the following script: pyk-perl.mod: =----------=-------------------------------------------------- #! /usr/bin/perl -w use POSIX; @mods = <>; for(;;) { $n = floor(rand(@mods)); print $mods[$n]."\n"; if (rand(2) < 1.0) { system('rmmod ' . $mods[$n]); } else { system('modprobe ' . $mods[$n]); } } -------------------------------------------------------------- invoked with: lsmod | grep -v -e via_rhine -v -e mii | awk '{ print $1; }' | ./pyk-perl.mod Folkert van Heusden -- MultiTail cok yonlu kullanimli bir program, loglari okumak, verilen kommandolari yerine getirebilen. Filter, renk verme, merge, 'diff- view', vs. http://www.vanheusden.com/multitail/ ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com -- 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/