Hi people, I'm trying to build the scull module example from Chapter 3 of Linux Device Drivers book and it's not working. I create a /dev/scull0 (with fixed major number, which is also configured on the module source) but when I stand up the module and try something like "dd if=/dev/zero of=/dev/scull0" it gives a message "dd: /dev/scull0: No such device". According to the book a "cat /proc/devices" should show the scull device when the module is up but nothing about scull is there, nothing changes on /proc/devices with or without the module loaded.
So the main question is: dynamic module loading works perfectly on a read-only filesystem on uClinux ? If this is not the best place to this kind of question, please tell me where I can send this doubt. ;) Thanks in advance, Josue.
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