usb 1-1: USB disconnect, address 4
BUG: unable to handle kernel NULL pointer dereference at 00000208
IP: [<c118f26e>] disk_replace_part_tbl.clone.14+0x1e/0x60
*pde = 00000000 
Oops: 0000 [#1] PREEMPT SMP 
last sysfs file: /sys/devices/system/cpu/cpu1/cpufreq/scaling_cur_freq
Modules linked in: ...

Pid: 2046, comm: khubd Not tainted 2.6.36-ARCH #1
EIP: 0060:[<c118f26e>] EFLAGS: 00010286 CPU: 0
EIP is at disk_replace_part_tbl.clone.14+0x1e/0x60
EAX: f6a7ba30 EBX: 00000000 ECX: 00000000 EDX: 00000000
ESI: f38aa760 EDI: 00000000 EBP: f6617d34 ESP: f6617d2c
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process khubd (pid: 2046, ti=f6616000 task=f6ad8cf0 task.ti=f6616000)
Stack:
 f6a7ba00 f6a7ba50 f6617d44 c118f2dd 00000000 c14262b0 f6617d60 c12322e9
<0> f65b8000 f70040c0 f6617d70 00000046 f6a7ba58 f6617d74 c119ac2a f6a7ba74
<0> c119abf0 f4e00358 f6617d84 c119c02d f4e00340 00000286 f6617da4 c119ab3d
Call Trace:
 [<c118f2dd>] ? disk_release+0x2d/0x50
 [<c12322e9>] ? device_release+0x19/0x80
 [<c119ac2a>] ? kobject_release+0x3a/0x80
 [<c119abf0>] ? kobject_release+0x0/0x80
 [<c119c02d>] ? kref_put+0x2d/0x60
 [<c119ab3d>] ? kobject_put+0x1d/0x50
 [<c119abf0>] ? kobject_release+0x0/0x80
 [<c119c02d>] ? kref_put+0x2d/0x60
 [<c118e4af>] ? put_disk+0xf/0x20
 [<f8e4a30d>] ? sg_device_destroy+0x3d/0x50 [sg]
 [<f8e4a2d0>] ? sg_device_destroy+0x0/0x50 [sg]
 [<c119c02d>] ? kref_put+0x2d/0x60
 [<f8e4a1e0>] ? sg_put_dev+0x10/0x20 [sg]
 [<f8e4a2bd>] ? sg_remove+0xcd/0xe0 [sg]
 [<c1232d95>] ? device_del+0x95/0x160
 [<c1232e6b>] ? device_unregister+0xb/0x20
 [<f81e724b>] ? __scsi_remove_device+0x8b/0xa0 [scsi_mod]
 [<f81e6057>] ? scsi_forget_host+0x47/0x60 [scsi_mod]
 [<f81dddf8>] ? scsi_remove_host+0x58/0xf0 [scsi_mod]
 [<f8286f2b>] ? quiesce_and_remove_host+0x5b/0xa0 [usb_storage]
 [<f8287013>] ? usb_stor_disconnect+0x13/0x20 [usb_storage]
 [<f8da339b>] ? usb_unbind_interface+0x3b/0x150 [usbcore]
 [<c12356cc>] ? __device_release_driver+0x4c/0xa0
 [<c1235740>] ? device_release_driver+0x20/0x40
 [<c1235277>] ? bus_remove_device+0x57/0x80
 [<c1232de7>] ? device_del+0xe7/0x160
 [<f8da1343>] ? usb_disable_device+0x63/0x110 [usbcore]
 [<f8d9ac16>] ? usb_disconnect+0x76/0xf0 [usbcore]
 [<f8d9c70c>] ? hub_thread+0x8cc/0xf10 [usbcore]
 [<c1303e75>] ? schedule+0x785/0x8f0
 [<c1060b40>] ? autoremove_wake_function+0x0/0x40
 [<f8d9be40>] ? hub_thread+0x0/0xf10 [usbcore]
 [<c1060724>] ? kthread+0x74/0x80
 [<c10606b0>] ? kthread+0x0/0x80
 [<c1003d3e>] ? kernel_thread_helper+0x6/0x18
Code: 24 8b 74 24 04 89 ec 5d c3 8d 74 26 00 55 89 e5 83 ec 08 89 1c 24 89 d3 89 74 24 04 8b 30 85 f6 89 08 74 30 c7 46 0c 00 00 00 00 <8b> 82 08 02 00 00 e8 57 6d 17 00 89 d8 e8 50 2e ff ff 8b 83 08 
EIP: [<c118f26e>] disk_replace_part_tbl.clone.14+0x1e/0x60 SS:ESP 0068:f6617d2c
CR2: 0000000000000208
---[ end trace b998fe81e2843b05 ]---