HI ,
I am working on imx8m NANO custom board running on Android 10 OS.i am able to enable the wifi drivers and connect to hotspot using adb commands.now i wan to enable Bluetooth drivers and connect to random device.as per my knowledge,,BT drivers are already enabled and inserted.my final product will not have any display to operate the modules.when i connect display for testing purpose and enable bluetooth,it automatically gets turned off when i try to pair to a device. when i use "svc bluetooth enable" command it shows following prints-
"svc bluetooth enable"
evk_8mn:/ # [ 4591.744475] rfkill: BT RF going to : off
[ 4591.748629] rfkill: BT RF going to : on
[ 4591.752481] mxc_bt_rfkill_reset
[ 4592.650814] init: Untracked pid 2915 exited with status 0
[ 4592.671040] init: Untracked pid 2913 exited with status 0
[ 4592.752336] binder: release 2872:2908 transaction 89192 in, still active
[ 4592.759101] binder: release 2872:2908 transaction 89189 out, still active
[ 4592.770373] binder: send failed reply for transaction 89192 to 2853:2853
[ 4592.777503] binder: 2853:2853 transaction failed 29189/0, size 4-0 line 3074
[ 4592.784898] binder: send failed reply for transaction 89189, target dead
[ 4592.903751] init: Untracked pid 2925 exited with status 0
[ 4592.915425] binder: undelivered death notification, 0000fbc16281c280
[ 4592.926831] init: Service 'vendor.bluetooth-1-0' (pid 2853) received signal 11
[ 4592.940119] init: Sending signal 9 to service 'vendor.bluetooth-1-0' (pid 2853) process group...
[ 4592.950814] libprocessgroup: Successfully killed process cgroup uid 1002 pid 2853 in 0ms
[ 4592.974974] init: Untracked pid 2927 exited with status 0
[ 4592.985818] init: starting service 'vendor.bluetooth-1-0'...
[ 4594.066779] rfkill: BT RF going to : off
[ 4594.070901] rfkill: BT RF going to : on
[ 4594.074757] mxc_bt_rfkill_reset
[ 4594.955779] init: Untracked pid 2978 exited with status 0
[ 4594.969052] init: Untracked pid 2976 exited with status 0
[ 4595.022388] binder: release 2935:2971 transaction 89620 in, still active
[ 4595.029152] binder: release 2935:2971 transaction 89617 out, still active
[ 4595.037452] binder: send failed reply for transaction 89620 to 2933:2933
[ 4595.044322] binder: 2933:2933 transaction failed 29189/0, size 4-0 line 3074
[ 4595.051727] binder: send failed reply for transaction 89617, target dead
[ 4595.156177] binder: undelivered death notification, 0000eabb96e1c280
[ 4598.003775] init: starting service 'vendor.bluetooth-1-0'...
i dont see my device name if scanned from mobile-
when i use "adb shell dumpsys bluetooth_manager"-
Bluetooth Status
enabled: false
state: OFF
address: null
name: iMX8
Enable log:
02-12 13:45:42 Disabled due to CRASH by android
02-12 13:47:24 Disabled due to APPLICATION_REQUEST by null
02-12 13:47:51 Enabled due to APPLICATION_REQUEST by null
02-12 13:47:53 Disabled due to CRASH by android
02-12 13:47:55 Disabled due to CRASH by android
02-12 13:51:45 Disabled due to APPLICATION_REQUEST by null
02-12 13:52:00 Enabled due to APPLICATION_REQUEST by null
02-12 13:52:01 Disabled due to CRASH by android
02-12 13:52:04 Disabled due to CRASH by android
02-12 13:54:55 Disabled due to APPLICATION_REQUEST by null
02-12 13:55:30 Disabled due to APPLICATION_REQUEST by null
02-12 13:56:58 Enabled due to APPLICATION_REQUEST by null
02-12 13:56:59 Disabled due to CRASH by android
02-12 13:57:02 Disabled due to CRASH by android
02-12 13:57:51 Enabled due to APPLICATION_REQUEST by null
02-12 13:57:52 Disabled due to CRASH by android
02-12 13:57:55 Disabled due to CRASH by android
02-12 13:58:56 Disabled due to APPLICATION_REQUEST by null
02-12 13:59:01 Enabled due to APPLICATION_REQUEST by null
02-12 13:59:02 Disabled due to CRASH by android
02-12 13:59:05 Disabled due to CRASH by android
Bluetooth crashed 20 times
02-12 12:59:05
02-12 12:59:06
02-12 12:59:11
02-12 12:59:15
02-12 12:59:20
02-12 12:59:21
02-12 12:59:26
02-12 12:59:31
02-12 13:45:40
02-12 13:45:42
02-12 13:47:53
02-12 13:47:55
02-12 13:52:01
02-12 13:52:04
02-12 13:56:59
02-12 13:57:02
02-12 13:57:52
02-12 13:57:55
02-12 13:59:02
02-12 13:59:05
0 BLE appsregistered
RemoteException while dumping Bluetooth Service
i dont know what i am missing to properly enable the BT module.Please guide me how can i make the BT module UP.
Thanks in advance.
Hi ,
Any solution for bluetooth ?
I am also facing same issue on imx8 , Intel card AX210.
Thanks,
Amul Patel
I am working on imx8mm board android 10 . I can able to turn ON and connect to a WiFi but i can't able to ON the bluetooth. I am facing similar issues like what you have faced. If your bluetooth issue get resolved, can you please provide me the information how you solved the issue.
Error Logs:
[ 118.420728] alloc_contig_range: [91400, 917e9) PFNs busy
[ 118.435702] alloc_contig_range: [91400, 917e9) PFNs busy
[ 119.316668] init: Untracked pid 2603 exited with status 0
[ 119.328533] init: Untracked pid 2605 exited with status 0
[ 119.346348] binder: release 2559:2598 transaction 129786 in, still active
[ 119.353206] binder: release 2559:2598 transaction 129782 out, still active
[ 119.360119] binder: send failed reply for transaction 129786 to 2539:2540
[ 119.367087] binder: 2539:2540 transaction failed 29189/0, size 4-0 line 3074
[ 119.374749] binder: send failed reply for transaction 129782, target dead
[ 119.390934] alloc_contig_range: [91600, 9176d) PFNs busy
[ 119.451069] init: Untracked pid 2617 exited with status 0
[ 119.451591] binder: undelivered death notification, 0000e8e826a3e000
[ 119.456794] init: Service 'vendor.bluetooth-1-0' (pid 2539) received signal 11
[ 119.470381] init: Sending signal 9 to service 'vendor.bluetooth-1-0' (pid 2539) process group...
[ 119.479976] libprocessgroup: Successfully killed process cgroup uid 1002 pid 2539 in 0ms
[ 119.488544] init: updatable process 'vendor.bluetooth-1-0' exited 4 times in 4 minutes
[ 119.496803] init: Init cannot set 'ro.init.updatable_crashing_process_name' to 'vendor.bluetooth-1-0': Read-only property was already set
[ 119.509875] init: Init cannot set 'ro.init.updatable_crashing' to '1': Read-only property was already set
[ 119.522913] init: Untracked pid 2619 exited with status 0
[ 121.305431] alloc_contig_range: [91600, 91733) PFNs busy
[ 121.310971] binder: release 2627:2666 transaction 131624 in, still active
[ 121.317836] binder: release 2627:2666 transaction 131617 out, still active
[ 121.324739] binder: send failed reply for transaction 131624 to 2624:2626
[ 121.331656] binder: 2624:2626 transaction failed 29189/0, size 4-0 line 3074
[ 121.338753] binder: send failed reply for transaction 131617, target dead
[ 121.353838] alloc_contig_range: [91600, 91733) PFNs busy
[ 121.379369] alloc_contig_range: [91600, 9176d) PFNs busy
[ 121.430931] binder: undelivered death notification, 0000e6dee543e000
Thanks and Regards
Shamiullah
Hi @shamiullah
I'm also facing same issue in Android 11, same in my case it not getting turn on.
if you got any solution then please provide.
Thanks.
Hi anurag16doshi
for bluetooth one can refer to Release Notes, to check what chip is supported.
and sect.4.12 Bluetooth i.MX Linux Reference Manual , Chapter 11 Connectivity i.MX Linux User’s Guide
Best regards
igor