I suspect a module's not enabled in the kernel.
BTW according to these Gentoo Docs lsusb uses /proc/bus/usb not
/dev/bus/usb
http://wiki.gentoo.org/wiki/USB/HOWTO
D.
Oplerno is built upon empowering faculty and students
-- Daniël W. Crompton <daniel.crompton@gmail.com> <http://specialbrands.net/> <http://specialbrands.net/> http://specialbrands.net/ <http://twitter.com/webhat> <http://www.facebook.com/webhat> <http://plancast.com/webhat> <http://www.linkedin.com/in/redhat> On 11 October 2014 19:01, John A. Wallace <jw72253@hotmail.com> wrote: > I want to add one more point about this problem. When I try to use lsusb, > as mentioned below, I get an error message like so: > > > > “unable to initialize libusb: -99”. > > > > Still, searching for this expression with Google led to no positive result > in this particular case insofar as I was able to know. > > > > > > *From:* John A. Wallace [mailto:jw72253@hotmail.com] > *Sent:* Friday, October 10, 2014 10:46 PM > *To:* vserver@list.linux-vserver.org > *Subject:* [vserver] upgrade VServer breaks lsusb > > > > When I install Gentoo Linux-3.13.11-vserver-2.3.6.11 using the very same > kernel “.config” file used for linux-3.10.4-vserver-2.3.6.8, I can no > longer use lsusb, although it, lsusb, works just fine on the earlier one. I > have scratched my head bare trying to figure out what the problem is, but > trial-and-error and google have gotten me no closer to a solution. I am not > a developer, but I have found that with VServer-2.3.6.8 there is a “/dev/bus/usb” > getting created; but with VServer-2.3.6.11 there is no “/dev/bus” created. > > I am pretty much at a loss as to how I can troubleshoot this, but I am > willing to try up to a point, depending on time constraints. If someone has > any suggestions, I would sure like to hear them. Thanks. >Received on Sat Oct 11 18:59:01 2014