From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964823AbWGZIMd (ORCPT ); Wed, 26 Jul 2006 04:12:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932523AbWGZIMd (ORCPT ); Wed, 26 Jul 2006 04:12:33 -0400 Received: from ug-out-1314.google.com ([66.249.92.174]:29429 "EHLO ug-out-1314.google.com") by vger.kernel.org with ESMTP id S932522AbWGZIMc (ORCPT ); Wed, 26 Jul 2006 04:12:32 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:date:from:to:subject:message-id:x-mailer:mime-version:content-type:content-transfer-encoding; b=GsUAmSO+ATwZMT6Bk73uPjT4dR10yQvHjy4ZS0t0p2GrfSRo9chrWutoiESSTrPWe+ojcaSDCmQWmYh95c5fFyLYsK/KDXsg0AsOpgskTHN3KFadcaObe3Ld+tmhUkInECpdoVcpIetVhMxF0KV+BjOqUqD76HPVyZtUsMAGpds= Date: Wed, 26 Jul 2006 12:20:03 +0400 From: Paul Drynoff To: Andrew Morton , linux-kernel@vger.kernel.org Subject: [BUG] usb: device unconnect cause oops Message-Id: <20060726122003.8f99cdea.pauldrynoff@gmail.com> X-Mailer: Sylpheed version 2.2.5 (GTK+ 2.8.19; i686-pc-linux-gnu) 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 Hello. I used 2.6.18-rc1-mm2. I have HP LaserJet 1010, it connected to computer via USB, I switched on it, printed something and swithched off it, after that I got in /var/log/messages: Jul 25 23:06:15 localhost fill_kobj_path: path = '/devices/pci0000:00/0000:00:02.1/usb3/3-2/3-2:1.0/usbdev3.3_ep01' Jul 25 23:06:15 localhost kobject usbdev3.3_ep01: cleaning up Jul 25 23:06:15 localhost kobject_uevent Jul 25 23:06:15 localhost fill_kobj_path: path = '/devices/pci0000:00/0000:00:02.1/usb3/3-2/3-2:1.0/usbdev3.3_ep81' Jul 25 23:06:15 localhost kobject usbdev3.3_ep81: cleaning up Jul 25 23:06:15 localhost kobject_uevent Jul 25 23:06:15 localhost fill_kobj_path: path = '/devices/pci0000:00/0000:00:02.1/usb3/3-2/3-2:1.0/lp0' Jul 25 23:06:15 localhost kobject lp0: cleaning up Jul 25 23:06:15 localhost subsystem usb: unregistering Jul 25 23:06:15 localhost kobject usb: unregistering Jul 25 23:06:15 localhost kobject_uevent Jul 25 23:06:15 localhost fill_kobj_path: path = '/class/usb' Jul 25 23:06:15 localhost kobject usb: cleaning up Jul 25 23:06:15 localhost drivers/usb/class/usblp.c: usblp0: removed Jul 25 23:06:15 localhost kobject_uevent Jul 25 23:06:15 localhost fill_kobj_path: path = '/devices/pci0000:00/0000:00:02.1/usb3/3-2/3-2:1.0' Jul 25 23:06:15 localhost kobject 3-2:1.0: cleaning up Jul 25 23:06:15 localhost BUG: unable to handle kernel NULL pointer dereference at virtual address 00000010 Jul 25 23:06:15 localhost printing eip: Jul 25 23:06:15 localhost c0232e02 Jul 25 23:06:15 localhost *pde = 00000000 Jul 25 23:06:15 localhost Oops: 0000 [#1] Jul 25 23:06:15 localhost 8K_STACKS DEBUG_PAGEALLOC Jul 25 23:06:15 localhost last sysfs file: /devices/pci0000:00/0000:00:02.1/usb3/3-2/3-2:1.0/modalias Jul 25 23:06:15 localhost Modules linked in: usblp ppp_deflate bsd_comp ppp_async crc_ccitt ppp_generic slhc lp ipt_LOG xt_state ip_conntrack iptable_filter ip_tables x_tables snd_seq_midi snd_pcm_oss snd_mixer_oss snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq vfat fat kqemu nvidia_agp hsfpcibasic2 forcedeth snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm nvidia snd_timer hsfserial hsfengine hsfosspec hsfsoar snd_page_alloc agpgart snd_mpu401 snd_mpu401_uart snd_rawmidi snd_seq_device snd parport_pc parport dm_mod ata_piix sata_qstor sata_vsc sata_uli sata_sx4 sata_svw sata_promise ohci_hcd uhci_hcd usb_storage libusual usbhid ehci_hcd usbcore Jul 25 23:06:15 localhost CPU: 0 Jul 25 23:06:15 localhost EIP: 0060:[] Tainted: P VLI Jul 25 23:06:15 localhost EFLAGS: 00210286 (2.6.18-rc1-mm2 #8) Jul 25 23:06:15 localhost EIP is at _raw_spin_lock+0x12/0x170 Jul 25 23:06:15 localhost eax: dfeee590 ebx: 00000000 ecx: 00000000 edx: 00000000 Jul 25 23:06:15 localhost esi: c4a9dd10 edi: e0ad5020 ebp: de397e84 esp: de397e60 Jul 25 23:06:15 localhost ds: 007b es: 007b ss: 0068 Jul 25 23:06:15 localhost Process khubd (pid: 1271, ti=de396000 task=dfeee590 task.ti=de396000) Jul 25 23:06:15 localhost Stack: c4a9dd10 e0ad5020 de397e84 00200246 00000000 00000002 00000000 c4a9dd10 Jul 25 23:06:15 localhost e0ad5020 de397ea8 c0363fb3 00000000 00000000 00000000 00000000 00000002 Jul 25 23:06:15 localhost c0360f79 00000000 de397eb8 c0360f79 c4a9dd58 c4a9dc50 de397ed4 c029c863 Jul 25 23:06:15 localhost Call Trace: Jul 25 23:06:15 localhost [] _spin_lock+0x43/0x50 Jul 25 23:06:15 localhost [] klist_remove+0x19/0x40 Jul 25 23:06:15 localhost [] bus_remove_device+0xa3/0xd0 Jul 25 23:06:15 localhost [] device_del+0x157/0x1a0 Jul 25 23:06:15 localhost [] usb_disconnect+0xd1/0x110 [usbcore] Jul 25 23:06:15 localhost [] hub_thread+0x1ed/0xbb0 [usbcore] Jul 25 23:06:15 localhost [] kthread+0xe9/0xf0 Jul 25 23:06:15 localhost [] kernel_thread_helper+0x5/0x10 Jul 25 23:06:15 localhost Code: c7 43 14 ff ff ff ff 89 03 83 c4 10 5b c9 c3 8d 76 00 8d bc 27 00 00 00 00 55 89 e5 83 ec 24 89 5d f4 8b 5d 08 89 75 f8 89 7d fc <81> 7b 10 ad 4e ad de 75 48 89 e2 8b 43 18 81 e2 00 e0 ff ff 3b Jul 25 23:06:15 localhost EIP: [] _raw_spin_lock+0x12/0x170 SS:ESP 0068:de397e60 Jul 25 23:08:27 localhost <7>kobject_uevent Jul 25 23:08:27 localhost fill_kobj_path: path = '/class/vc/vcs7' Jul 25 23:08:27 localhost kobject vcs7: cleaning up