Comment 16 for bug 392692

So there are two questions:
1) why does the module not get loaded
2) where do the duplicates come from

1) could you do an "sudo ls /sys/bus/acpi/devices/" and post the output here
2) I noticed that in the initial description you found multiple files name *panasonic* in /etc/acpi/events. When I look at a Karmic system here, I only find one (the panasonic-lockbtn). I wonder whether you still have the other files and whether they belong to any package (dpkg -S /etc/acpi/events/<file>)