Hi chinna@calken,
Try the following commands..
1.#lsmod | grep -i usb
===========> If the usb module is loaded, gives the following output
usb_storage 42653 0
2.#modinfo usb_storage
===========> To know the module information.
Will give you the path of the module: something like ...
filename: /lib/modules/3.7.8-202.fc18.i686/kernel/drivers/usb/storage/usb-storage.ko
3.change directory to /lib/modules/3.7.8-202.fc18.i686/kernel/drivers/usb/storage/ using cd command.
4.#modprobe -r usb_storage
remove the usb module.
5.#lsmod | grep -i usb
=======> Should give nothing, as we have unloaded the usb module.
6.rename the usb-storage.ko to something like org_usb-storage.ko
=========> Rename it to something relevant, as you may need it in future.
7.modprobe usb_storage
==========> This tries to insert the usb module. Should end up in an error saying:
modprobe: ERROR: could not insert 'usb_storage': Unknown symbol in module, or unknown parameter (see dmesg)
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