Re: fxload and udev 094?

[Greg KH <greg@kroah.com>]

On Sun, Jun 25, 2006 at 01:19:55AM +0000, Robert Kennedy wrote:
> 
> >On Sat, Jun 24, 2006 at 05:52:26PM +0000, Robert Kennedy wrote:
> >> I have found the bug but don't know the solution.
> >>
> >> For some reason the latest kernel 2.6.17 is NOT creating any entries in
> >> /proc/bus/usb.
> >
> >Are you sure usbfs is mounted at /proc/bus/usb?  A lot of the newer
> >distros do not even mount the thing anymore, now that we have sysfs and
> >/dev/bus/usb/ for the usbfs devices.
> >
> >What distro are you using?
> >
> 
> I am using Arch Linux.  I think you are right.  I did some more digging.  
> fxload was written and designed to use devfs.  It typically uses the DEVICE 
> environment (set by thr kernel during hotplugging) for the address of the 
> external USB device.  e.g. /proc/bus/usb/001.

No, DEVICE is not for devfs, it's for udevfs.

> I will ask the gurus of the arch distro how I can implment usbfs.  (I don't 
> see a module that I can load.  Perhaps I will have to roll my own kernel).

Just do:
	mount -t usbfs none /proc/bus/usb
and you should be fine.  It should already be in your kernel.

> Since it looks like usbfs is on the way out, are there any plans to update 
> the old fxload program to use /dev/bus/usb paths instead?

Does it use libusb?  If so, it should work just fine as is.  If not,
it's a one line change to get it to work.

good luck,

greg k-h

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