hp# apt-get install winusb
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package winusb

On an amd64 Debian machine: Linux hp 3.16.0-4-amd64 #1 SMP Debian 3.16.43-2 (2017-04-30) x86_64 GNU/Linux

I've always had to hotplug mine, either on Raspberry Pis or on my HP laptop with amd64 Debian.  I ran across a cgminer I had downloaded April 30 from http://gekkoscience.com/misc/cgminer-gekko.tar.gz so I just tried it.  I didn't fiddle enough to get it to recognize my 2pac, I just went back to the version I was running.
The new version:


The old version:


Same libusb, etc.  Also I see my "--gekko-2pac-freq 150" wasn't recognized anymore.