You have been subscribed to a public bug:
On Ubuntu 13.10 a Lenovo X1 Carbon running Ubuntu 64-bit has problems to
communicate with bluetooth input devices on resume from suspend. This
problem happened only after upgrade to Ubuntu 13.10.
Reloading the module btusb fixes the problem (rmmod btusb;
Public bug reported:
On Ubuntu 13.10 a Lenovo X1 Carbon running Ubuntu 64-bit has problems to
communicate with bluetooth input devices on resume from suspend. This
problem happened only after upgrade to Ubuntu 13.10.
Reloading the module btusb fixes the problem (rmmod btusb; modprobe
btusb). Plac