This oops may be similar to the others from my ThinkPad X40, but
since it is for a different device, I'm including it anyway.
Kernel 2.6.6-rc1, uhci/ehci. 64MB usb flash drive.
Adam
[plug in stick]
usb 2-2: new full speed USB device using address 6
usb 2-2: Product: USB DRIVE
usb 2-2: Manufacturer: KINGSTON
usb 2-2: SerialNumber: 1120363052063
SCSI subsystem initialized
Initializing USB Mass Storage driver...
scsi0 : SCSI emulation for USB Mass Storage devices
Vendor: KINGSTON Model: USB DRIVE Rev: 1.12
Type: Direct-Access ANSI SCSI revision: 02
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
SCSI device sda: 125952 512-byte hdwr sectors (64 MB)
sda: assuming Write Enabled
sda: assuming drive cache: write through
sda: sda1
Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
[unplug]
usb 2-2: USB disconnect, address 6
[plug in/remove a few times]
usb 2-2: USB disconnect, address 8
usb 3-1: USB disconnect, address 2
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c01ac736
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
CPU: 0
EIP: 0060:[<c01ac736>] Tainted: PF
EFLAGS: 00010246 (2.6.6-rc1)
EIP is at get_kobj_path_length+0x16/0x30
eax: 00000000 ebx: 00000000 ecx: ffffffff edx: ceb3b938
esi: 00000001 edi: 00000000 ebp: ffffffff esp: c153ae2c
ds: 007b es: 007b ss: 0068
Process khubd (pid: 5, threadinfo=c153a000 task=df66e030)
Stack: 00000113 c036e5c0 d0d04c00 d0d04c19 c01ac8e9 d0d04c0e c02f86f0 00000113
d0d04c00 d1da47c0 00000000 ceb3b938 c0336780 e0a4dca9 00000000 c01634ac
ceb3b938 ceb3b930 e0a52d00 e0a52d60 c01acd4f e0a52d60 c021053a e0a52d4c
Call Trace:
[<c01ac8e9>] kset_hotplug+0x139/0x250
[<c01634ac>] dput+0x1c/0x200
[<c01acd4f>] kobject_del+0xf/0x20
[<c021053a>] class_device_del+0x8a/0xb0
[<e0a490f8>] hci_unregister_dev+0x8/0x80 [bluetooth]
[<e0d53c2f>] hci_usb_disconnect+0x2f/0x70 [hci_usb]
[<c023fa03>] usb_disable_interface+0x33/0x40
[<c0239014>] usb_unbind_interface+0x64/0x70
[<c020fa06>] device_release_driver+0x56/0x60
[<c020fb1a>] bus_remove_device+0x4a/0x90
[<c020ebda>] device_del+0x5a/0xa0
[<c020ec28>] device_unregister+0x8/0x10
[<c023faf0>] usb_disable_device+0xd0/0x110
[<c0239bbf>] usb_disconnect+0x8f/0x120
[<c023c37c>] hub_port_connect_change+0x2ac/0x2c0
[<c023c6f2>] hub_events+0x362/0x430
[<c023c7f5>] hub_thread+0x35/0xf0
[<c011a4f0>] default_wake_function+0x0/0x10
[<c023c7c0>] hub_thread+0x0/0xf0
[<c010429d>] kernel_thread_helper+0x5/0x18
Code: f2 ae f7 d1 49 8b 52 24 8d 74 31 01 85 d2 75 ea 5b 89 f0 5e
<7>uhci_hcd 0000:00:1d.2: suspend_hc
uhci_hcd 0000:00:1d.2: wakeup_hc
uhci_hcd 0000:00:1d.2: suspend_hc
uhci_hcd 0000:00:1d.2: wakeup_hc
uhci_hcd 0000:00:1d.2: suspend_hc
uhci_hcd 0000:00:1d.2: wakeup_hc
uhci_hcd 0000:00:1d.2: suspend_hc
uhci_hcd 0000:00:1d.2: wakeup_hc
uhci_hcd 0000:00:1d.2: suspend_hc
uhci_hcd 0000:00:1d.2: wakeup_hc
uhci_hcd 0000:00:1d.2: suspend_hc
uhci_hcd 0000:00:1d.2: wakeup_hc
....
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