iMX8QM MEK (imx-automotive-11) Bluetooth is not working with 1 YM M2 module.

[Jose1985]

Dear Team,

I added 1YM M2 module with iMX8QM-MEK board. The WiFi is up and running, but the Bluetooth is not working. Please find the below log snippet & attached logs.

$adb shell logcat 

01-28 09:46:46.786 1786 1914 I bt_hci : hci_module_start_up
01-28 09:46:46.787 1786 1984 I droid.bluetoot: [0128/094646.787384:INFO:message_loop_thread.cc(175)] Run: message loop starting for thread bt_hci_thread
01-28 09:46:46.788 1786 1914 D bt_hci : hci_module_start_up starting async portion
01-28 09:46:46.788 1786 1984 I bt_hci : hci_initialize
01-28 09:46:46.819 1786 1984 F libc : Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 1984 (bt_hci_thread), pid 1786 (droid.bluetooth)
01-28 09:46:46.940 1989 1989 F DEBUG : pid: 1786, tid: 1984, name: bt_hci_thread >>> com.android.bluetooth <<<
01-28 09:46:48.986 2284 2284 I BluetoothServiceJni: hal_util_load_bt_library: loaded Bluetooth library successfully
01-28 09:46:49.024 2284 2284 I bt_btif : init: start restricted = 0 ; niap = 0, config compare result = 0
01-28 09:46:49.024 2284 2284 I bt_btif : init Preserving legacy bluetooth functionality
01-28 09:46:49.025 2284 2284 D bt_osi_allocation_tracker: canary initialized
01-28 09:46:49.025 2284 2318 I droid.bluetoot: [0128/094649.025477:INFO:message_loop_thread.cc(175)] Run: message loop starting for thread bt_stack_manager_thread
01-28 09:46:49.026 2284 2318 I bt_stack_manager: event_init_stack is initializing the stack
01-28 09:46:49.026 2284 2318 E droid.bluetoot: [0128/094649.026682:ERROR:config.cc(104)] config_new: unable to open file '/data/misc/bluedroid/bt_config.conf': No such file or directory
01-28 09:46:49.026 2284 2318 W bt_btif_config: init unable to load config file: /data/misc/bluedroid/bt_config.conf; using backup.
01-28 09:46:49.027 2284 2318 E droid.bluetoot: [0128/094649.027022:ERROR:config.cc(104)] config_new: unable to open file '/data/misc/bluedroid/bt_config.bak': No such file or directory
01-28 09:46:49.027 2284 2318 W bt_btif_config: init unable to load backup; attempting to transcode legacy file.
01-28 09:46:49.027 2284 2318 E bt_btif_config_transcode: btif_config_transcode unable to load XML file '/data/misc/bluedroid/bt_config.xml': 3
01-28 09:46:49.027 2284 2318 E bt_btif_config: init unable to transcode legacy file; creating empty config.
01-28 09:46:49.028 2284 2326 I bt_osi_thread: run_thread: thread id 2326, thread name alarm_default_ca started
01-28 09:46:49.029 2284 2327 I bt_osi_thread: run_thread: thread id 2327, thread name alarm_dispatcher started
01-28 09:46:49.029 2284 2318 I bt_btif_core: btif_init_bluetooth entered
01-28 09:46:49.030 2284 2318 I bt_stack_config: init attempt to load stack conf from /etc/bluetooth/bt_stack.conf
01-28 09:46:49.030 2284 2328 I droid.bluetoot: [0128/094649.030666:INFO:message_loop_thread.cc(175)] Run: message loop starting for thread bt_jni_thread
01-28 09:46:49.031 2284 2318 I bt_btif_core: btif_init_bluetooth finished

$adb shell dmesg | grep Blue
[ 0.111256] Bluetooth: Core ver 2.22
[ 0.111282] Bluetooth: HCI device and connection manager initialized
[ 0.111289] Bluetooth: HCI socket layer initialized
[ 0.111294] Bluetooth: L2CAP socket layer initialized
[ 0.111304] Bluetooth: SCO socket layer initialized
[ 1.823232] Bluetooth: HCI UART driver ver 2.3

Best regards

Libin Jose

[Jose1985 · Accepted solution]

Dear All,

This issue is fixed. We need to enable couple of things. Please find the attached patch file.

Best regards

Jose1985