I seem to have the same problem (Dell XPS L421X). Bluetooth failing on 4.4.0-127, but works on 4.4.0-124.
Happy to provide any logs/diags under each kernel if you let me know what would be useful.
I seem to have the same problem (Dell XPS L421X). Bluetooth failing on 4.4.0-127, but works on 4.4.0-124.
Happy to provide any logs/diags under each kernel if you let me know what would be useful.