On Mon, 26 Feb 2007, Jon Smirl wrote:

> > You could remove this indeterminism by explicitly loading ehci-hcd and
> > uhci-hcd (that is the preferred order) in a system start-up script before
> > udev.  In FC6, for example, the modules are loaded from an initramfs
> > script.
> 
> In think the usb modules on initramfs with Unbuntu, but they must not
> be proloading them with a script. But doesn't loading from a script
> defeat the mechanism of only loading what modules you need?

Yep.

> Another way to control this would be to put all of the USB Host IDs
> into a single module (usbcore), and then that module would load in
> ehci, uhci, etc.

That would work.  But it would be a lot of effort for not much advantage.

Remember too that it's possible to hotplug USB buses.  There are USB 
controllers on PCcards.

Alan Stern


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