Public bug reported:
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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "apport report"
https://bugs.launchpad.net/bugs/1874435/+attachment/5358422/+files/apport.linux-image-5.4.0-26-generic.8a9o2bv_.apport
** Description changed:
Bluetooth adapter not visible. In bluetooth menu, we see "no bluetooth
- found".
+ 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
+ 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
+ $ cat /etc/modprobe.d/ath9k-bt.conf
options ath9k btcoex_enable=1
- $ cat /sys/module/ath9k/parameters/btcoex_enable
+ $ cat /sys/module/ath9k/parameters/btcoex_enable
1
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https://bugs.launchpad.net/bugs/1874435
Title:
Bluetooth not working with Atheros AR9287
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