Bluettooth não conecta - notebook Dell

[alcfonseca]

(base) andre@note-dell:~$ sudo dmesg | grep -i 'blue\|firm'
[sudo] senha para andre:
[ 0.136689] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.180848] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 1.511281] usb 1-1.4: Product: Bluetooth USB Host Controller
[ 5.135738] Bluetooth: Core ver 2.22
[ 5.135763] NET: Registered PF_BLUETOOTH protocol family
[ 5.135765] Bluetooth: HCI device and connection manager initialized
[ 5.135770] Bluetooth: HCI socket layer initialized
[ 5.135772] Bluetooth: L2CAP socket layer initialized
[ 5.135778] Bluetooth: SCO socket layer initialized
[ 5.305737] usb 1-1.4: Direct firmware load for ar3k/AthrBT_0x01020200.dfu failed with error -2
[ 5.305745] Bluetooth: Patch file not found ar3k/AthrBT_0x01020200.dfu
[ 5.305802] Bluetooth: Loading patch file failed
[ 5.732249] ACPI: video: [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOS
[ 16.107330] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 16.107336] Bluetooth: BNEP filters: protocol multicast
[ 16.107342] Bluetooth: BNEP socket layer initialized
(base) andre@note-dell:~$

[alcfonseca (alcfonseca)]

Ubuntu 22.04: Depois da atualizaçao do 20.04 para o 22.04 deixou de reconhecer o bluetooth. (After upgrading from Ubuntu 20.04 to 22.04, bluetooth was not recognized.)

[alcfonseca (alcfonseca)]

Solved with:
wget http://ftp.us.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-atheros_20210315-3_all.deb
sudo dpkg -i firmware-atheros_20210315-3_all.deb

[Po-Hsu Lin (cypressyew)]

This might be a duplicate of bug 1969853, please feel free to unmark it if it's a different issue.