Re: built-in USB /proc bug

[Johannes Erdfelt <johannes@erdfelt.com>]

On Tue, Nov 20, 2001, Daniel I. Applebaum <danapple@danapple.com> wrote:
> 
> I tried building a 2.4.13 kernel with USB support as built-in, instead
> of modules.  The system worked, and USB devices worked, but there were
> no entries in /proc/bus/usb Yes, I had enabled both /proc filesystem
> and USB /proc filesystem support.  When the same kernel was built but
> with USB support as modules, the /proc/bus/usb entries appear.
> 
> Although no expert in these matters, I suspect that when the USB
> subsystem is built-in, it is initialized before /proc is mounted, and
> the USB /proc filesystem support either turns itself off or puts the
> "files" elsewhere.
> 
> A viable solution might be to have make menuconfig warn against this
> combination.

The problem is likely that it's a filesystem and you need to mount it
after loading the module.

Try running:

mount /proc/bus/usb

JE