From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261501AbVCRI7b (ORCPT ); Fri, 18 Mar 2005 03:59:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261508AbVCRI7b (ORCPT ); Fri, 18 Mar 2005 03:59:31 -0500 Received: from moutng.kundenserver.de ([212.227.126.188]:39403 "EHLO moutng.kundenserver.de") by vger.kernel.org with ESMTP id S261501AbVCRI7F (ORCPT ); Fri, 18 Mar 2005 03:59:05 -0500 Message-ID: <423A9856.7070909@whiteowl.co.uk> Date: Fri, 18 Mar 2005 08:59:02 +0000 From: Simon Geard User-Agent: Mozilla Thunderbird 1.0 (X11/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: USB pen drive connect/disconnect oops Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: kundenserver.de abuse@kundenserver.de auth:af30f4b6ef93ce3756749c134795ccb9 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org When I connect and disconnect my new USB Pen drive (BAR 512MB) I get stack dump messages from the kernel. The drive does seem to be usable at the end of this sequence albeit very slowly. Disconnection gives a kernel oops and the device isn't usable until the next reboot. Does anyone know if there is a patch to fix this problem? Please cc any replies to me. Thanks Simon Geard Linux localhost 2.6.8.1-12mdk #1 Fri Oct 1 12:53:41 CEST 2004 i686 Unknown CPU Type unknown GNU/Linux Initializing USB Mass Storage driver... scsi0 : SCSI emulation for USB Mass Storage devices Vendor: USB Model: BAR Rev: 2.00 Type: Direct-Access ANSI SCSI revision: 02 USB Mass Storage device found at 3 usbcore: registered new driver usb-storage USB Mass Storage support registered. sda: Unit Not Ready, sense: Current : sense key Unit Attention Additional sense: Not ready to ready change, medium may have changed sda : READ CAPACITY failed. sda : status=1, message=00, host=0, driver=08 Current sd: sense key Unit Attention Additional sense: Not ready to ready change, medium may have changed sda: test WP failed, assume Write Enabled sda: assuming drive cache: write through sda: Unit Not Ready, sense: Current : sense key Unit Attention Additional sense: Not ready to ready change, medium may have changed sda : READ CAPACITY failed. sda : status=1, message=00, host=0, driver=08 Current sd: sense key Unit Attention Additional sense: Not ready to ready change, medium may have changed sda: test WP failed, assume Write Enabled sda: assuming drive cache: write through SCSI device sda: 1023744 512-byte hdwr sectors (524 MB) sda: Write Protect is off sda: Mode Sense: 03 00 00 00 sda: assuming drive cache: write through /dev/scsi/host0/bus0/target0/lun0:<3>Buffer I/O error on device sda, logical block 262143 Buffer I/O error on device sda, logical block 262143 p1 /dev/scsi/host0/bus0/target0/lun0:<3>Buffer I/O error on device sda, logical block 262143 p1 devfs_mk_dev: could not append to parent for scsi/host0/bus0/target0/lun0/part1 kobject_register failed for sda1 (-17) [] dump_stack+0x1e/0x20 [] kobject_register+0x5b/0x70 [] add_partition+0x103/0x140 [] register_disk+0x14e/0x1d0 [] add_disk+0x4b/0x60 [] sd_probe+0x21d/0x380 [sd_mod] [] bus_match+0x3d/0x80 [] driver_attach+0x52/0xa0 [] bus_add_driver+0x8f/0xc0 [] driver_register+0x31/0x40 [] init_sd+0x5a/0x6f [sd_mod] [] sys_init_module+0xd2/0x1c0 [] sysenter_past_esp+0x52/0x71 Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0 When I disconnect the device I get usb 4-2.1: USB disconnect, address 3 Unable to handle kernel NULL pointer dereference at virtual address 00000050 printing eip: c0192d61 *pde = 00000000 Oops: 0000 [#1] Modules linked in: sd_mod usb-storage fglrx md5 ipv6 rfcomm l2cap bluetooth es1371 soundcore gameport ac97_codec lp parport_pc parport af_packet floppy 8139too mii ide-cd cdrom loop ext3 jbd nls_iso8859-15 ntfs xfs supermount amd-k7-agp agpgart dc395x scsi_mod tsdev joydev evdev usbmouse ehci-hcd usbhid ohci-hcd uhci-hcd usbcore reiserfs CPU: 0 EIP: 0060:[] Tainted: P VLI EFLAGS: 00010246 (2.6.8.1-12mdk) EIP is at sysfs_remove_dir+0x21/0x110 eax: d0a79cf0 ebx: d0a79cf0 ecx: 00000000 edx: dffef360 esi: d04d6520 edi: 00000000 ebp: dedf9d90 esp: dedf9d74 ds: 007b es: 007b ss: 0068 Process khubd (pid: 815, threadinfo=dedf8000 task=df732c70) Stack: d04d6520 00000001 dedf9d90 c01c1586 d0a79cf0 d04d6520 00000001 dedf9da4 c01c18f2 d0a79cf0 d0a79cf0 d0a79cf0 dedf9db4 c01c1912 d0a79cf0 c1572800 dedf9dd0 c018c929 d0a79cf0 00000001 d0569984 d04d6520 c1572200 dedf9de4 Call Trace: [] show_stack+0x7f/0xa0 [] show_registers+0x156/0x1d0 [] die+0x66/0xd0 [] do_page_fault+0x3c6/0x5b0 [] error_code+0x2d/0x38 [] kobject_del+0x22/0x30 [] kobject_unregister+0x12/0x20 [] del_gendisk+0x29/0xf0 [] sd_remove+0x1d/0x60 [sd_mod] [] device_release_driver+0x66/0x70 [] bus_remove_device+0x62/0xa0 [] device_del+0x59/0xc0 [] scsi_remove_device+0x56/0xb0 [scsi_mod] [] scsi_forget_host+0x2a/0x50 [scsi_mod] [] scsi_remove_host+0x28/0x60 [scsi_mod] [] storage_disconnect+0x5d/0x70 [usb-storage] [] usb_unbind_interface+0x6d/0x70 [usbcore] [] device_release_driver+0x66/0x70 [] bus_remove_device+0x62/0xa0 [] device_del+0x59/0xc0 [] usb_disable_device+0x88/0x100 [usbcore] [] usb_disconnect+0xb3/0x150 [usbcore] [] hub_port_connect_change+0x23f/0x3d0 [usbcore] [] hub_events+0x1a3/0x3a0 [usbcore] [] hub_thread+0x35/0x100 [usbcore] [] kernel_thread_helper+0x5/0x10 Code: ff ff ff 8d b4 26 00 00 00 00 55 89 e5 57 56 53 83 ec 10 8b 45 08 8b 78 30 85 ff 74 0c 8b 07 85 c0 0f 84 dc 00 00 00 ff 07 85 ff <8b> 57 50 0f 84 c7 00 00 00 8b 47 08 8d 48 68 ff 48 68 0f 88 6e