On uname -a Linux xxx 4.15.0-88-generic #88-Ubuntu SMP Tue Feb 11 20:11:34 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux even with up to date focal bluez version the bluetooth device isn't recognized: dmesg | grep Bluetooth = empty output
The backup usb bluetooth dongle also doesn't work with this kernel: [ 417.427445] usb 1-2: new full-speed USB device number 5 using xhci_hcd [ 417.843295] usb 1-2: config 1 interface 1 altsetting 0 endpoint 0x3 has wMaxPacketSize 0, skipping [ 417.843303] usb 1-2: config 1 interface 1 altsetting 0 endpoint 0x83 has wMaxPacketSize 0, skipping [ 417.843323] usb 1-2: New USB device found, idVendor=0a12, idProduct=0001 [ 417.843329] usb 1-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0 root@xxx:# hcitool scan Device is not available: Address family not supported by protocol root@cdsv2:# lsusb ... Bus 001 Device 005: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870837 Title: hcitool lescan says 'Set scan parameters failed: Input/output error' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1870837/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
