and later on shutdown hangs while unmounting local file systems. It seems that scsi_device_cancel is called for a device that has already been destroyed.
This kernel is compiled with preempt. I added some debug output. 1515870810 is the integer value of sdev->sdev_state. Oct 24 01:58:02 mm kernel: ehci_hcd 0000:00:03.3: GetStatus port 1 status 001002 POWER sig=se0 CSC Oct 24 01:58:02 mm kernel: hub 3-0:1.0: port 1, status 0100, change 0001, 12 Mb/s Oct 24 01:58:03 mm kernel: hub 3-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x100 Oct 24 01:58:03 mm kernel: ohci_hcd 0000:00:03.0: GetStatus roothub.portstatus [0] = 0x00030100 PESC CSC PPS Oct 24 01:58:03 mm kernel: hub 1-0:1.0: port 1, status 0100, change 0003, 12 Mb/s Oct 24 01:58:03 mm kernel: usb 1-1: USB disconnect, address 2 Oct 24 01:58:03 mm kernel: usb 1-1: usb_disable_device nuking all URBs Oct 24 01:58:03 mm kernel: usb 1-1: unregistering interface 1-1:1.0 Oct 24 01:58:03 mm kernel: usb-storage: storage_disconnect() called Oct 24 01:58:03 mm kernel: usb-storage: usb_stor_stop_transport called Oct 24 01:58:03 mm kernel: sd 0:0:0:0: scsi_remove_device cancels Oct 24 01:58:03 mm kernel: sd 0:0:0:0: State transition running->cancel Oct 24 01:58:03 mm kernel: 0:0:0:0: scsi_remove_device between device_del and scsi_device_set_state Oct 24 01:58:03 mm kernel: 0:0:0:0: State transition cancel->deleted Oct 24 01:58:03 mm kernel: target0:0:0: scsi_device_cancel called with state 1515870810 / <NULL> Oct 24 01:58:03 mm kernel: target0:0:0: Illegal state transition <NULL>->cancel Oct 24 01:58:03 mm kernel: Badness in scsi_device_set_state at drivers/scsi/scsi_lib.c:1717 Oct 24 01:58:03 mm kernel: EIP: 0060:[vsnprintf+779/1167] Not tainted VLI Oct 24 01:58:03 mm kernel: EFLAGS: 00010097 (2.6.10-rc1) Oct 24 01:58:03 mm kernel: EIP is at vsnprintf+0x30b/0x48f Oct 24 01:58:03 mm kernel: eax: 6b6b6b6b ebx: 0000000a ecx: 6b6b6b6b edx: fffffffe Oct 24 01:58:03 mm kernel: esi: c044a4a4 edi: 00000000 ebp: ddecbce4 esp: ddecbcac Oct 24 01:58:03 mm kernel: ds: 007b es: 007b ss: 0068 Oct 24 01:58:03 mm kernel: Process khubd (pid: 26, threadinfo=ddeca000 task=dde94aa0) Oct 24 01:58:03 mm kernel: Stack: c044a494 c044a87f 00000485 00000000 0000000a fffffff8 00000003 00000002 Oct 24 01:58:03 mm kernel: ffffffff ffffffff c044a87f 00000400 00000046 00000000 ddecbd00 c020ed34 Oct 24 01:58:03 mm kernel: c044a480 00000400 deb63ff2 ddecbd58 c044a480 ddecbd30 c012309a c044a480 Oct 24 01:58:03 mm kernel: Call Trace: Oct 24 01:58:03 mm kernel: [show_stack+128/150] show_stack+0x80/0x96 Oct 24 01:58:03 mm kernel: [show_registers+346/446] show_registers+0x15a/0x1be Oct 24 01:58:03 mm kernel: [die+349/720] die+0x15d/0x2d0 Oct 24 01:58:03 mm kernel: [do_page_fault+606/1599] do_page_fault+0x25e/0x63f Oct 24 01:58:03 mm kernel: [error_code+45/56] error_code+0x2d/0x38 Oct 24 01:58:03 mm kernel: [vscnprintf+41/56] vscnprintf+0x29/0x38 Oct 24 01:58:03 mm kernel: [vprintk+176/828] vprintk+0xb0/0x33c Oct 24 01:58:03 mm kernel: [printk+24/28] printk+0x18/0x1c Oct 24 01:58:03 mm kernel: [pg0+510575152/1069110272] scsi_device_cancel+0x2a7/0x2ac [scsi_mod] Oct 24 01:58:03 mm kernel: [device_for_each_child+76/123] device_for_each_child+0x4c/0x7b Oct 24 01:58:03 mm kernel: [pg0+510575301/1069110272] scsi_host_cancel+0x31/0xb3 [scsi_mod] Oct 24 01:58:03 mm kernel: [pg0+510575467/1069110272] scsi_remove_host+0x24/0x68 [scsi_mod] Oct 24 01:58:03 mm kernel: [pg0+510731353/1069110272] storage_disconnect+0xa4/0xb9 [usb_storage] Oct 24 01:58:03 mm kernel: [usb_unbind_interface+134/136] usb_unbind_interface+0x86/0x88 Oct 24 01:58:03 mm kernel: [device_release_driver+98/100] device_release_driver+0x62/0x64 Oct 24 01:58:03 mm kernel: [bus_remove_device+126/191] bus_remove_device+0x7e/0xbf Oct 24 01:58:03 mm kernel: [device_del+110/163] device_del+0x6e/0xa3 Oct 24 01:58:03 mm kernel: [usb_disable_device+204/365] usb_disable_device+0xcc/0x16d Oct 24 01:58:03 mm kernel: [usb_disconnect+200/791] usb_disconnect+0xc8/0x317 Oct 24 01:58:03 mm kernel: [hub_port_connect_change+1807/1854] hub_port_connect_change+0x70f/0x73e Oct 24 01:58:03 mm kernel: [hub_events+1214/1743] hub_events+0x4be/0x6cf Oct 24 01:58:03 mm kernel: [hub_thread+50/283] hub_thread+0x32/0x11b Oct 24 01:58:03 mm kernel: [kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb Oct 24 01:58:03 mm kernel: Code: ff c7 45 ec 08 00 00 00 83 cf 01 eb b9 8b 45 14 8b 55 e8 83 45 14 04 8b 08 b8 88 57 37 c0 81 f9 ff 0f 00 00 0f 46 c8 89 c8 eb 06 <80> 38 00 74 07 40 4a 83 fa ff 75 f4 29 c8 83 e7 10 89 c3 75 21 Oct 24 01:58:03 mm kernel: <6>note: khubd[26] exited with preempt_count 2 Oct 24 02:02:28 mm kernel: Slab corruption: start=da986750, len=512 Oct 24 02:02:28 mm kernel: Redzone: 0x5a2cf071/0x5a2cf071. Oct 24 02:02:28 mm kernel: Last user: [elevator_exit+117/119](elevator_exit+0x75/0x77) Oct 24 02:02:28 mm kernel: 090: 6b 6b 6b 6b 6b 6b 6b 6b 6a 6b 6b 6b 6b 6b 6b 6b Oct 24 02:02:28 mm kernel: Prev obj: start=da986544, len=512 Oct 24 02:02:28 mm kernel: Redzone: 0x5a2cf071/0x5a2cf071. Oct 24 02:02:28 mm kernel: Last user: [kfree_skbmem+20/44](kfree_skbmem+0x14/0x2c) Oct 24 02:02:28 mm kernel: 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b Oct 24 02:02:28 mm kernel: 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b Oct 24 02:02:28 mm kernel: Next obj: start=da98695c, len=512 Oct 24 02:02:28 mm kernel: Redzone: 0x170fc2a5/0x170fc2a5. Oct 24 02:02:28 mm kernel: Last user: [pg0+510619908/1069110272](scsi_sysfs_target_initialize+0x1d7/0x436 [scsi_mod]) Oct 24 02:02:28 mm kernel: 000: 00 00 00 00 58 c4 e1 d6 58 c4 e1 d6 68 69 98 da Oct 24 02:02:28 mm kernel: 010: 68 69 98 da 70 69 98 da 70 69 98 da 78 69 98 da -- Wolfgang ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
