So, I'm using Xubuntu 13.04 (Raring), and I'm having a very strange USB issue. From time to time, I am experiencing hard system locking any time the mouse -MOVES-. When the mouse is stationary, the system is normal.
Upon experimentation, I've also figured out that it happens with my X360 controller (when the problem is going on). Moving an analog stick causes system hanging, but buttons do not.
Also, while this mess is going on, my keyboard works normally.
ALSO, this problem occurs in Windows as well (Win7 and Win8, both, I have a Win8/Xubuntu dualboot right now).
Anyway, this is the section of the dmesg log (from Xubuntu) that happens when the issue is going on (mouse movement while USB is going nuts).