https://wireless.wiki.kernel.org/en/users/drivers/ath9k/btcoex does this work for you?
** Tags added: hwe-bluetooth -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1874435 Title: Bluetooth not working with Atheros AR9287 Status in linux package in Ubuntu: Incomplete Bug description: Bluetooth adapter not visible. In bluetooth menu, we see "no bluetooth found". (Ubuntu 20.04, kernel 5.4.0-26-generic #30-Ubuntu) $ lspci -nnk | grep -iA3 atheros 02:00.0 Network controller [0280]: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) [168c:002e] (rev 01) Subsystem: Foxconn International, Inc. T77H167.00 [105b:e034] Kernel driver in use: ath9k Kernel modules: ath9k I tried to load the module with btcoex_enable=1, does not help : $ cat /etc/modprobe.d/ath9k-bt.conf options ath9k btcoex_enable=1 $ cat /sys/module/ath9k/parameters/btcoex_enable 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1874435/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp