Hello,
The bug manifests with HID USB Magstripe reader not being constantly visible in guest vm. The device comes and goes on a cycle.
hid_buh2.mp4 - Video of the issue, device disappears then reappears in XP guest virtual machine.
Screenshot 2015-01-12 09.23.07.png - Screenshot of Hid device from host OS before test.
Screenshot 2015-01-12 09.30.09.png - Screenshot of VM settings for USB.
tn_P1020942.JPG - Photo of USB mag stripe reader
David