I can confirm this bug with the same bluetooth controller.
I'm wondering if it is a specific bug with this controller?
danny@danny-laptop:~$ lsusb
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 1131:1001 Integrated System Solution Corp. KY-BT100 Bluetooth Adapter
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
I can confirm this bug with the same bluetooth controller.
I'm wondering if it is a specific bug with this controller?
danny@danny- laptop: ~$ lsusb
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 1131:1001 Integrated System Solution Corp. KY-BT100 Bluetooth Adapter
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub