Bluetooth monitor ver 5.55 = Note: Linux version 5.10.7-200.fc33.x86_64 (x86_64) 0.013681 = Note: Bluetooth subsystem version 2.22 0.013686 = New Index: 00:28:F8:A0:B0:F3 (Primary,USB,hci0) [hci0] 0.013687 = Open Index: 00:28:F8:A0:B0:F3 [hci0] 0.013688 = Index Info: 00:28:F8:A0:B0:F3 (Intel Corp.) [hci0] 0.013689 @ MGMT Open: bluetoothd (privileged) version 1.18 {0x0001} 0.013690 < HCI Command: Create Connection (0x01|0x0005) plen 13 #1 [hci0] 6.477076 Address: 54:B7:E5:62:89:B9 (Rayson Technology Co., Ltd.) Packet type: 0xcc18 DM1 may be used DH1 may be used DM3 may be used DH3 may be used DM5 may be used DH5 may be used Page scan repetition mode: R2 (0x02) Page scan mode: Mandatory (0x00) Clock offset: 0x0000 Role switch: Allow slave (0x01) > HCI Event: Command Status (0x0f) plen 4 #2 [hci0] 6.574686 Create Connection (0x01|0x0005) ncmd 1 Status: Success (0x00) > HCI Event: Connect Complete (0x03) plen 11 #3 [hci0] 11.750773 Status: Page Timeout (0x04) Handle: 65535 Address: 54:B7:E5:62:89:B9 (Rayson Technology Co., Ltd.) Link type: ACL (0x01) Encryption: Disabled (0x00) @ MGMT Event: Connect Failed (0x000d) plen 8 {0x0001} [hci0] 11.750846 BR/EDR Address: 54:B7:E5:62:89:B9 (Rayson Technology Co., Ltd.) Status: Connect Failed (0x04) = bluetoothd: profiles/audio/avdtp.c:avdtp_connect_cb() connect t.. 11.751458 < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7 #4 [hci0] 11.767625 Type: Passive (0x00) Interval: 60.000 msec (0x0060) Window: 60.000 msec (0x0060) Own address type: Public (0x00) Filter policy: Ignore not in white list (0x01) > HCI Event: Command Complete (0x0e) plen 4 #5 [hci0] 11.768787 LE Set Scan Parameters (0x08|0x000b) ncmd 1 Status: Success (0x00) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 #6 [hci0] 11.768864 Scanning: Enabled (0x01) Filter duplicates: Enabled (0x01) > HCI Event: Command Complete (0x0e) plen 4 #7 [hci0] 11.769813 LE Set Scan Enable (0x08|0x000c) ncmd 2 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 41 #8 [hci0] 11.772811 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Public (0x00) Address: 54:B7:E5:62:89:B9 (Rayson Technology Co., Ltd.) Data length: 29 Flags: 0x1a LE General Discoverable Mode Simultaneous LE and BR/EDR (Controller) Simultaneous LE and BR/EDR (Host) 16-bit Service UUIDs (complete): 1 entry Battery Service (0x180f) TX power: -10 dBm Company: Klipsch Group, Inc. (2042) Data: 104fe1010000000054b7e56289b912 RSSI: -45 dBm (0xd3) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 #9 [hci0] 11.772885 Scanning: Disabled (0x00) Filter duplicates: Disabled (0x00) > HCI Event: Command Complete (0x0e) plen 4 #10 [hci0] 11.777797 LE Set Scan Enable (0x08|0x000c) ncmd 2 Status: Success (0x00) < HCI Command: LE Create Connection (0x08|0x000d) plen 25 #11 [hci0] 11.777884 Scan interval: 60.000 msec (0x0060) Scan window: 60.000 msec (0x0060) Filter policy: White list is not used (0x00) Peer address type: Public (0x00) Peer address: 54:B7:E5:62:89:B9 (Rayson Technology Co., Ltd.) Own address type: Public (0x00) Min connection interval: 30.00 msec (0x0018) Max connection interval: 50.00 msec (0x0028) Connection latency: 0 (0x0000) Supervision timeout: 420 msec (0x002a) Min connection length: 0.000 msec (0x0000) Max connection length: 0.000 msec (0x0000) > HCI Event: Command Status (0x0f) plen 4 #12 [hci0] 11.779789 LE Create Connection (0x08|0x000d) ncmd 2 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 31 #13 [hci0] 12.024823 LE Enhanced Connection Complete (0x0a) Status: Success (0x00) Handle: 3585 Role: Master (0x00) Peer address type: Public (0x00) Peer address: 54:B7:E5:62:89:B9 (Rayson Technology Co., Ltd.) Local resolvable private address: 00:00:00:00:00:00 (Non-Resolvable) Peer resolvable private address: 00:00:00:00:00:00 (Non-Resolvable) Connection interval: 48.75 msec (0x0027) Connection latency: 0 (0x0000) Supervision timeout: 420 msec (0x002a) Master clock accuracy: 0x00 @ MGMT Event: Device Connected (0x000b) plen 42 {0x0001} [hci0] 12.024929 LE Address: 54:B7:E5:62:89:B9 (Rayson Technology Co., Ltd.) Flags: 0x00000000 Data length: 29 Flags: 0x1a LE General Discoverable Mode Simultaneous LE and BR/EDR (Controller) Simultaneous LE and BR/EDR (Host) 16-bit Service UUIDs (complete): 1 entry Battery Service (0x180f) TX power: -10 dBm Company: Klipsch Group, Inc. (2042) Data: 104fe1010000000054b7e56289b912 < HCI Command: LE Read Remote Used.. (0x08|0x0016) plen 2 #14 [hci0] 12.025047 Handle: 3585 > HCI Event: Command Status (0x0f) plen 4 #15 [hci0] 12.025755 LE Read Remote Used Features (0x08|0x0016) ncmd 1 Status: Success (0x00) > HCI Event: LE Meta Event (0x3e) plen 11 #16 [hci0] 12.062754 LE Data Length Change (0x07) Handle: 3585 Max TX octets: 251 Max TX time: 2120 Max RX octets: 80 Max RX time: 752 > HCI Event: LE Meta Event (0x3e) plen 12 #17 [hci0] 12.111890 LE Read Remote Used Features (0x04) Status: Success (0x00) Handle: 3585 Features: 0x3f 0x00 0x00 0x00 0x00 0x00 0x00 0x00 LE Encryption Connection Parameter Request Procedure Extended Reject Indication Slave-initiated Features Exchange LE Ping LE Data Packet Length Extension = bluetoothd: profiles/battery/battery.c:foreach_batt_service() M.. 12.112535 < ACL Data TX: Handle 3585 flags 0x00 dlen 7 #18 [hci0] 12.112970 ATT: Exchange MTU Request (0x02) len 2 Client RX MTU: 517 > ACL Data RX: Handle 3585 flags 0x02 dlen 16 #19 [hci0] 12.257011 LE L2CAP: Connection Parameter Update Request (0x12) ident 1 len 8 Min interval: 24 Max interval: 40 Slave latency: 0 Timeout multiplier: 400 @ MGMT Event: New Connection Para.. (0x001c) plen 16 {0x0001} [hci0] 12.257097 Store hint: Reserved (0xb9) BR/EDR Address: 01:54:B7:E5:62:89 (OUI 01-54-B7) Min connection interval: 24 Max connection interval: 40 Connection latency: 0 (0x0000) Supervision timeout: 400 < ACL Data TX: Handle 3585 flags 0x00 dlen 10 #20 [hci0] 12.257112 LE L2CAP: Connection Parameter Update Response (0x13) ident 1 len 2 Result: Connection Parameters accepted (0x0000) < HCI Command: LE Connection Update (0x08|0x0013) plen 14 #21 [hci0] 12.257126 Handle: 3585 Min connection interval: 30.00 msec (0x0018) Max connection interval: 50.00 msec (0x0028) Connection latency: 0 (0x0000) Supervision timeout: 4000 msec (0x0190) Min connection length: 0.000 msec (0x0000) Max connection length: 0.000 msec (0x0000) > HCI Event: Command Status (0x0f) plen 4 #22 [hci0] 12.257755 LE Connection Update (0x08|0x0013) ncmd 1 Status: Success (0x00) > HCI Event: Number of Completed Packets (0x13) plen 5 #23 [hci0] 12.307780 Num handles: 1 Handle: 3585 Count: 1 > HCI Event: Number of Completed Packets (0x13) plen 5 #24 [hci0] 12.308801 Num handles: 1 Handle: 3585 Count: 1 > ACL Data RX: Handle 3585 flags 0x02 dlen 7 #25 [hci0] 12.355392 ATT: Exchange MTU Request (0x02) len 2 Client RX MTU: 65 > ACL Data RX: Handle 3585 flags 0x02 dlen 7 #26 [hci0] 12.355453 ATT: Exchange MTU Response (0x03) len 2 Server RX MTU: 65 < ACL Data TX: Handle 3585 flags 0x00 dlen 7 #27 [hci0] 12.356028 ATT: Exchange MTU Response (0x03) len 2 Server RX MTU: 517 < ACL Data TX: Handle 3585 flags 0x00 dlen 7 #28 [hci0] 12.356057 ATT: Read Request (0x0a) len 2 Handle: 0x0009 > HCI Event: Number of Completed Packets (0x13) plen 5 #29 [hci0] 12.403802 Num handles: 1 Handle: 3585 Count: 1 > HCI Event: Number of Completed Packets (0x13) plen 5 #30 [hci0] 12.452893 Num handles: 1 Handle: 3585 Count: 1 > ACL Data RX: Handle 3585 flags 0x02 dlen 20 #31 [hci0] 12.549574 ATT: Read Response (0x0b) len 15 Value: 4b6c69707363682054352049492052 < ACL Data TX: Handle 3585 flags 0x00 dlen 7 #32 [hci0] 12.549975 ATT: Read Request (0x0a) len 2 Handle: 0x000b > HCI Event: Number of Completed Packets (0x13) plen 5 #33 [hci0] 12.598810 Num handles: 1 Handle: 3585 Count: 1 > HCI Event: LE Meta Event (0x3e) plen 10 #34 [hci0] 12.793811 LE Connection Update Complete (0x03) Status: Success (0x00) Handle: 3585 Connection interval: 48.75 msec (0x0027) Connection latency: 0 (0x0000) Supervision timeout: 4000 msec (0x0190) > HCI Event: LE Meta Event (0x3e) plen 11 #35 [hci0] 12.842807 LE Data Length Change (0x07) Handle: 3585 Max TX octets: 251 Max TX time: 2120 Max RX octets: 69 Max RX time: 664 = bluetoothd: profiles/deviceinfo/deviceinfo.c:read_pnpid_cb() Er.. 42.559203 < HCI Command: Disconnect (0x01|0x0006) plen 3 #36 [hci0] 44.617441 Handle: 3585 Reason: Remote User Terminated Connection (0x13) > HCI Event: Command Status (0x0f) plen 4 #37 [hci0] 44.715073 Disconnect (0x01|0x0006) ncmd 1 Status: Success (0x00) > HCI Event: Disconnect Complete (0x05) plen 4 #38 [hci0] 44.727090 Status: Success (0x00) Handle: 3585 Reason: Connection Terminated By Local Host (0x16) @ MGMT Event: Device Disconnected (0x000c) plen 8 {0x0001} [hci0] 44.727189 LE Address: 54:B7:E5:62:89:B9 (Rayson Technology Co., Ltd.) Reason: Connection terminated by local host (0x02) @ MGMT Command: Start Discovery (0x0023) plen 1 {0x0001} [hci0] 58.845412 Address type: 0x07 BR/EDR LE Public LE Random < HCI Command: LE Set Random Address (0x08|0x0005) plen 6 #39 [hci0] 58.845546 Address: 2E:79:90:99:F0:2F (Non-Resolvable) > HCI Event: Command Complete (0x0e) plen 4 #40 [hci0] 58.943185 LE Set Random Address (0x08|0x0005) ncmd 1 Status: Success (0x00) < HCI Command: LE Set Scan Paramet.. (0x08|0x000b) plen 7 #41 [hci0] 58.943231 Type: Active (0x01) Interval: 22.500 msec (0x0024) Window: 11.250 msec (0x0012) Own address type: Random (0x01) Filter policy: Accept all advertisement (0x00) > HCI Event: Command Complete (0x0e) plen 4 #42 [hci0] 58.944209 LE Set Scan Parameters (0x08|0x000b) ncmd 1 Status: Success (0x00) < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 #43 [hci0] 58.944318 Scanning: Enabled (0x01) Filter duplicates: Enabled (0x01) > HCI Event: Command Complete (0x0e) plen 4 #44 [hci0] 58.946206 LE Set Scan Enable (0x08|0x000c) ncmd 2 Status: Success (0x00) < HCI Command: Inquiry (0x01|0x0001) plen 5 #45 [hci0] 58.946289 Access code: 0x9e8b33 (General Inquiry) Length: 10.24s (0x08) Num responses: 0 > HCI Event: Command Status (0x0f) plen 4 #46 [hci0] 58.947192 Inquiry (0x01|0x0001) ncmd 2 Status: Success (0x00) @ MGMT Event: Command Complete (0x0001) plen 4 {0x0001} [hci0] 58.947353 Start Discovery (0x0023) plen 1 Status: Success (0x00) Address type: 0x07 BR/EDR LE Public LE Random @ MGMT Event: Discovering (0x0013) plen 2 {0x0001} [hci0] 58.947374 Address type: 0x07 BR/EDR LE Public LE Random Discovery: Enabled (0x01) > HCI Event: LE Meta Event (0x3e) plen 30 #47 [hci0] 58.959222 LE Advertising Report (0x02) Num reports: 1 Event type: Connectable undirected - ADV_IND (0x00) Address type: Random (0x01) Address: 73:C9:4E:21:22:7A (Resolvable) Data length: 18 Flags: 0x1a LE General Discoverable Mode Simultaneous LE and BR/EDR (Controller) Simultaneous LE and BR/EDR (Host) TX power: 7 dBm Company: Apple, Inc. (76) Type: Unknown (16) Data: 0a1e5a5cf9db RSSI: -94 dBm (0xa2) > HCI Event: LE Meta Event (0x3e) plen 12 #48 [hci0] 58.960209 LE Advertising Report (0x02) Num reports: 1 Event type: Scan response - SCAN_RSP (0x04) Address type: Random (0x01) Address: 73:C9:4E:21:22:7A (Resolvable) Data length: 0 RSSI: -94 dBm (0xa2) @ MGMT Event: Device Found (0x0012) plen 32 {0x0001} [hci0] 58.960301 LE Address: 73:C9:4E:21:22:7A (Resolvable) RSSI: -94 dBm (0xa2) Flags: 0x00000000 Data length: 18 Flags: 0x1a LE General Discoverable Mode Simultaneous LE and BR/EDR (Controller) Simultaneous LE and BR/EDR (Host) TX power: 7 dBm Company: Apple, Inc. (76) Type: Unknown (16) Data: 0a1e5a5cf9db > HCI Event: Extended Inquiry Result (0x2f) plen 255 #49 [hci0] 59.018214 Num responses: 1 Address: CF:12:7A:93:52:70 (OUI CF-12-7A) Page scan repetition mode: R1 (0x01) Page period mode: P0 (0x00) Class: 0x340404 Major class: Audio/Video (headset, speaker, stereo, video, vcr) Minor class: Wearable Headset Device Rendering (Printing, Speaker) Object Transfer (v-Inbox, v-Folder) Audio (Speaker, Microphone, Headset) Clock offset: 0x0868 RSSI: -73 dBm (0xb7) Name (complete): BT-WUZHI Company: not assigned (22356) Data: 534d4faa58 @ MGMT Event: Device Found (0x0012) plen 38 {0x0001} [hci0] 59.018286 BR/EDR Address: CF:12:7A:93:52:70 (OUI CF-12-7A) RSSI: -73 dBm (0xb7) Flags: 0x00000000 Data length: 24 Name (complete): BT-WUZHI Company: not assigned (22356) Data: 534d4faa58 Class: 0x340404 Major class: Audio/Video (headset, speaker, stereo, video, vcr) Minor class: Wearable Headset Device Rendering (Printing, Speaker) Object Transfer (v-Inbox, v-Folder) Audio (Speaker, Microphone, Headset) > HCI Event: LE Meta Event (0x3e) plen 43 #50 [hci0] 59.166187 LE Advertising Report (0x02) Num reports: 1 Event type: Non connectable undirected - ADV_NONCONN_IND (0x03) Address type: Random (0x01) Address: 6B:23:A7:79:1F:E5 (Resolvable) Data length: 31 Company: Microsoft (6) Data: 0109200236b66cab23d313fb9791b17c4ccc1f2d0c278fea178b32 RSSI: -68 dBm (0xbc) @ MGMT Event: Device Found (0x0012) plen 45 {0x0001} [hci0] 59.166307 LE Address: 6B:23:A7:79:1F:E5 (Resolvable) RSSI: -68 dBm (0xbc) Flags: 0x00000004 Not Connectable Data length: 31 Company: Microsoft (6) Data: 0109200236b66cab23d313fb9791b17c4ccc1f2d0c278fea178b32 > HCI Event: