My Bluetooth keeps breaking. I noticed it wasn't working and ran bt-device -l which produced: ERROR:lib/bluez/adapter.c:165:adapter_get_dbus_object_path: assertion failed: (ADAPTER_IS(self)).

I tried sudo systemctl restart bluetooth which did not work. I then reloaded the kernel module with:

sudo rmmod btusb
sudo modprobe btusb

which fixed it. I am asking if anyone knows a permanent solution to this.

I'm using 18.04, kernel 4.15.0-65-generic.



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