[Tfug] Really weird query: how do I totally turn off a USB device?

[Dennis McCormick]

On Sun, May 16, 2010 at 5:31 PM, Jim March <1.jim.march at gmail.com> wrote:
> In other words, let's say Ubuntu appears to be "holding open" a USB device,
> in my case a cellular modem as seen here in lsusb:
> Bus 004 Device 003: ID 0c88:180a Kyocera Wireless Corp.
> I want to be able pass this to a VirtualBox guest OS (WinXP) and have Ubuntu
> pretty much not see it or use it at all (so the guest can).  It WILL still
> have to be able to see the above because within the VirtualBox control
> screen I need to be able to pass that same ID along to the guest OS.  (Yes,
> I'm using the VirtualBox "full tilt edition" with USB pass-through support
> as opposed to the open-source edition.)
> I've told NetworkManager to stop talking to the cellmodem, but that doesn't
> appear to be enough to leave it unlocked so the guest OS can get to it.  In
> the guest XP machine, the Verizon software can see the cellmodem but can't
> power it up.
> Help?
> Thanks!
> Jim

Just a question- are the guest additions installed?

Dennis McCormick