Hi guys I met a very strang issue about config Microsoft Designer Mouse (Bluetooth LE) I have paired and trust my devices already, and connected it success, all works fine. But after I reboot my computer, when I click a mouse button, I see 'connected' in bluetoothctl, immediate a 'disconnect' event follow. what's wrong with my bluetooth. below it's my log files bluetoothctl log: [NEW] Controller A4:34:D9:2B:2E:41 debian [default] [NEW] Device C0:11:5B:C2:55:DF Designer Mouse [CHG] Device C0:11:5B:C2:55:DF Connected: yes [CHG] Device C0:11:5B:C2:55:DF Connected: no [bluetooth]# info C0:11:5B:C2:55:DF Device C0:11:5B:C2:55:DF Name: Designer Mouse Alias: Designer Mouse Appearance: 0x03c2 Icon: input-mouse Paired: yes Trusted: yes Blocked: no Connected: no LegacyPairing: no UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb) UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb) UUID: Device Information (0000180a-0000-1000-8000-00805f9b34fb) UUID: Battery Service (0000180f-0000-1000-8000-00805f9b34fb) UUID: Human Interface Device (00001812-0000-1000-8000-00805f9b34fb) Modalias: usb:v045Ep0805d0110 [bluetooth]# bluetoothd log after I click mouse button: bluetoothd[552]: src/adapter.c:connected_callback() hci0 device C0:11:5B:C2:55:DF connected eir_len 27 bluetoothd[552]: src/adapter.c:disconnected_callback() reason = 2 bluetoothd[552]: src/adapter.c:dev_disconnected() Device C0:11:5B:C2:55:DF disconnected, reason 2 bluetoothd[552]: src/adapter.c:adapter_remove_connection() bluetoothd[552]: src/adapter.c:bonding_attempt_complete() hci0 bdaddr C0:11:5B:C2:55:DF type 2 status 0xe bluetoothd[552]: src/device.c:device_bonding_complete() bonding (nil) status 0x0e bluetoothd[552]: src/device.c:device_bonding_failed() status 14 bluetoothd[552]: src/adapter.c:resume_discovery() btmon.log: Bluetooth monitor ver 5.43 = Note: Linux version 4.8.7 (x86_64) 0.680553 = Note: Bluetooth subsystem version 2.21 0.680558 = New Index: A4:34:D9:2B:2E:41 (Primary,USB,hci0) [hci0] 0.680560 = Open Index: A4:34:D9:2B:2E:41 [hci0] 0.680562 = Index Info: A4:34:D9:2B:2E:41 (Intel Corp.) [hci0] 0.680564 > HCI Event: LE Meta Event (0x3e) plen 39 [hci0] 15.114469 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Random (0x01) Address: C0:11:5B:C2:55:DF (Static) Data length: 27 Name (complete): Designer Mouse Appearance: Mouse (0x03c2) Flags: 0x04 BR/EDR Not Supported 16-bit Service UUIDs (complete): 1 entry Human Interface Device (0x1812) RSSI: -44 dBm (0xd4) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 15.114560 Scanning: Disabled (0x00) Filter duplicates: Disabled (0x00) > HCI Event: Command Complete (0x0e) plen 4 [hci0] 15.117454 LE Set Scan Enable (0x08|0x000c) ncmd 2 Status: Success (0x00) < HCI Command: LE Create Connection (0x08|0x000d) plen 25 [hci0] 15.117533 Scan interval: 60.000 msec (0x0060) Scan window: 60.000 msec (0x0060) Filter policy: White list is not used (0x00) Peer address type: Random (0x01) Peer address: C0:11:5B:C2:55:DF (Static) Own address type: Random (0x01) Min connection interval: 7.50 msec (0x0006) Max connection interval: 7.50 msec (0x0006) Connection latency: 0x003c Supervision timeout: 3000 msec (0x012c) Min connection length: 0.000 msec (0x0000) Max connection length: 0.000 msec (0x0000) > HCI Event: Command Status (0x0f) plen 4 [hci0] 15.119462 LE Create Connection (0x08|0x000d) ncmd 2 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 19 [hci0] 15.152484 LE Connection Complete (0x01) Status: Success (0x00) Handle: 3585 Role: Master (0x00) Peer address type: Random (0x01) Peer address: C0:11:5B:C2:55:DF (Static) Connection interval: 7.50 msec (0x0006) Connection latency: 75.00 msec (0x003c) Supervision timeout: 3000 msec (0x012c) Master clock accuracy: 0x00 < HCI Command: LE Read Remote Used Fea.. (0x08|0x0016) plen 2 [hci0] 15.152731 Handle: 3585 @ Device Connected: C0:11:5B:C2:55:DF (2) flags 0x0000 0f 09 44 65 73 69 67 6e 65 72 20 4d 6f 75 73 65 ..Designer Mouse 03 19 c2 03 02 01 04 03 03 12 18 ........... > HCI Event: Command Status (0x0f) plen 4 [hci0] 15.153245 LE Read Remote Used Features (0x08|0x0016) ncmd 1 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 12 [hci0] 15.169486 LE Read Remote Used Features (0x04) Status: Success (0x00) Handle: 3585 Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 LE Encryption < HCI Command: Disconnect (0x01|0x0006) plen 3 [hci0] 17.187533 Handle: 3585 Reason: Remote User Terminated Connection (0x13) > HCI Event: Command Status (0x0f) plen 4 [hci0] 17.188560 Disconnect (0x01|0x0006) ncmd 1 Status: Success (0x00) > HCI Event: Disconnect Complete (0x05) plen 4 [hci0] 17.466778 Status: Success (0x00) Handle: 3585 Reason: Connection Terminated By Local Host (0x16) @ Device Disconnected: C0:11:5B:C2:55:DF (2) reason 2 < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7 [hci0] 17.495493 Type: Passive (0x00) Interval: 60.000 msec (0x0060) Window: 30.000 msec (0x0030) Own address type: Random (0x01) Filter policy: Accept all advertisement (0x00) > HCI Event: Command Complete (0x0e) plen 4 [hci0] 17.496545 LE Set Scan Parameters (0x08|0x000b) ncmd 1 Status: Success (0x00) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 [hci0] 17.496602 Scanning: Enabled (0x01) Filter duplicates: Enabled (0x01) > HCI Event: Command Complete (0x0e) plen 4 [hci0] 17.497555 LE Set Scan Enable (0x08|0x000c) ncmd 2 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 36 [hci0] 17.559800 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Public (0x00) Address: 08:7C:BE:87:03:E4 (Quintic Corp.) Data length: 24 Flags: 0x06 LE General Discoverable Mode BR/EDR Not Supported Service Data (UUID 0xfe95): 7120830002e40387be7c08090510020016 RSSI: -91 dBm (0xa5) > HCI Event: LE Meta Event (0x3e) plen 35 [hci0] 17.682920 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Random (0x01) Address: 42:54:92:F8:E1:8E (Resolvable) Data length: 23 Flags: 0x06 LE General Discoverable Mode BR/EDR Not Supported Company: Apple, Inc. (76) Type: Unknown (12) Data: 00ee11265467e3c8de62466d97bc RSSI: -91 dBm (0xa5) > HCI Event: LE Meta Event (0x3e) plen 36 [hci0] 18.098143 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Public (0x00) Address: F4:D0:9A:3C:D1:86 (OUI F4-D0-9A) Data length: 24 Flags: 0x06 LE General Discoverable Mode BR/EDR Not Supported Company: not assigned (4660) Data: 86d13c9ad0f40000 Name (complete): bong3HR RSSI: -91 dBm (0xa5) > HCI Event: LE Meta Event (0x3e) plen 36 [hci0] 19.899089 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Public (0x00) Address: F2:1F:37:29:8D:41 (OUI F2-1F-37) Data length: 24 Flags: 0x06 LE General Discoverable Mode BR/EDR Not Supported Company: not assigned (4660) Data: 418d29371ff20000 Name (complete): bong3HR RSSI: -87 dBm (0xa9) > HCI Event: LE Meta Event (0x3e) plen 43 [hci0] 20.583438 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Public (0x00) Address: 88:0F:10:8E:43:68 (Huami Information Technology Co.,Ltd.) Data length: 31 Flags: 0x06 LE General Discoverable Mode BR/EDR Not Supported 16-bit Service UUIDs (partial): 1 entry Weight Scale (0x181d) Company: Anhui Huami Information Technology Co., Ltd. (343) Data: 880f108e4368 Service Data (UUID 0x181d): a2e439b20801030a252b RSSI: -94 dBm (0xa2) > HCI Event: LE Meta Event (0x3e) plen 43 [hci0] 21.505731 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Random (0x01) Address: F6:84:DE:B1:2B:E7 (Static) Data length: 31 Flags: 0x04 BR/EDR Not Supported 128-bit Service UUIDs (partial): 1 entry Vendor specific (adabfb00-6e7d-4601-bda2-bffaa68956ba) Service Data (UUID 0x180a): 08048e210000 RSSI: -86 dBm (0xaa) -- Thanks -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html