[ 1652.502863] Call Trace:
[ 1652.502870] [<c0258591>] class_device_del+0xa1/0x120
[ 1652.502879] [<c0258618>] class_device_unregister+0x8/0x10
[ 1652.502884] [<f8886a50>] __scsi_remove_device+0x30/0x80 [scsi_mod]
[ 1652.502925] [<f888412b>] scsi_forget_host+0x4b/0x60 [scsi_mod]
[ 1652.502942] [<f887e825>] scsi_remove_host+0x55/0xe0 [scsi_mod]
[ 1652.502960] [<f8d50cae>] storage_disconnect+0xe/0x20 [usb_storage]
[ 1652.502974] [<f885dd20>] usb_unbind_interface+0x50/0xa0 [usbcore]
[ 1652.503012] [<c02578a8>] __device_release_driver+0x68/0xa0
[ 1652.503018] [<c0257dd3>] device_release_driver+0x23/0x40
[ 1652.503023] [<c025721c>] bus_remove_device+0x5c/0x90
[ 1652.503029] [<c0255672>] device_del+0x152/0x1b0
[ 1652.503037] [<f885b1ee>] usb_disable_device+0x7e/0xe0 [usbcore]
[ 1652.503055] [<f8857597>] usb_disconnect+0x97/0x130 [usbcore]
[ 1652.503077] [<f88582ff>] hub_thread+0x26f/0xc20 [usbcore]
[ 1652.503107] [<c013adf0>] autoremove_wake_function+0x0/0x50
[ 1652.503120] [<f8858090>] hub_thread+0x0/0xc20 [usbcore]
[ 1652.503134] [<c013ac3a>] kthread+0xba/0xf0
[ 1652.503139] [<c013ab80>] kthread+0x0/0xf0
[ 1652.503145] [<c01044c7>] kernel_thread_helper+0x7/0x10
[ 1652.503155] =======================
[ 1652.503156] Code: ff ff 89 6c 24 10 31 ed 89 d9 89 74 24 08 89 c6 89 7c 24 0c 89 c7 89 e8 89 14 24 f2 ae f7 d1 49 8b 04 24 89 ca 89 d9 8b 38 89 e8 <f2> ae f7 d1 49 8d 44 0a 02 ba d0 00 00 00 e8 38 ae f1 ff ba f4
[ 1652.503180] EIP: [<c0258315>] make_class_name+0x35/0xa0 SS:ESP 0068:dfaebe50
[ 1652.503186] <5>sdb: Write Protect is off
[ 1652.503255] sdb: Mode Sense: 03 00 00 00
[ 1652.503257] sdb: assuming drive cache: write through
[ 1652.509136] sdb : READ CAPACITY failed.
[ 1652.509138] sdb : status=0, message=00, host=1, driver=00
[ 1652.509145] sdb : sense not available.
[ 1652.510229] sdb: Write Protect is off
[ 1652.510234] sdb: Mode Sense: 00 00 00 00
[ 1652.510236] sdb: assuming drive cache: write through
[ 1652.510296] sd 2:0:0:0: Attached scsi disk sdb
[ 1652.510360] sd 2:0:0:0: Attached scsi generic sg3 type 0