where is module ehci_hcd?

Detlef Lechner Detlef.Lechner at gmx.net
Thu Jan 7 14:12:19 UTC 2010

On Fri, 08 Jan 2010 00:21:04 +1100, Karl Auer wrote:

> When mounting external HDDs on my Dell 1720, I get these messages in my
> log, regardless of what port I use:
> Jan  7 23:54:54 karl kernel: [14778.504269] usb 5-1: new full speed USB
> device using uhci_hcd and address 4
> Jan  7 23:54:54 karl kernel: [14778.647522] usb 5-1: not running at top
> speed; connect to a high speed hub
> I've looked in Google, and the info there suggests that high speed
> devices are handled by a module called ehci_hdc. 

This information was true for Ubuntu Hardy and is outdated for Jaunty.

I have looked through
> my entire system and can find no such module anywhere. Further Googling
> suggests that this functionality is no longer handled by loadable
> modules, but is compiled in. BTW, I know the ports I am using are
> 2.0-capable.
> lsusb output looks like this:
> ...

> So - does anyone have high-speed (USB 2.0) USB devices working with
> Jaunty and if so what did you do to make them work?

I do have them working. Ubuntu simply installed all functionality when I 
dist-upgraded from 8.10 to 9.04.


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