After some rmmod and insmods, the receiver stopped providing USB traffic.
Observe that S Ii:1:022:3 -115:2 32 <
is missing when the
devices do not respond over endpoint 3. By writing to "20 ff 81 00.." (or any
other data, not shown here), the devices react again.
The below output was generated on a USB 2.0 port (using ehci). XHCI is also affected. (and again, writing anything, even '00' activates the device again). Kernel: 3.11-rc7-12-g7b4d06a (3.7-rc7 with logitech-wtp patches on top of it). Besides those patches, also included are: