I had the same problem after a suspend/resume cycle => bluetooth was not working with the message `hci0: Reading Intel version information failed (-110)` in the syslog. For me the kernel parameter `btusb.enable_autosuspend=0` fixed this problem.
I had the same problem after a suspend/resume cycle => bluetooth was not working with the message `hci0: Reading Intel version information failed (-110)` in the syslog. enable_ autosuspend= 0` fixed this problem.
For me the kernel parameter `btusb.