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- BTW this is the btmon log of auto-reconnecting for Lenovo XT99:
- https://pastebin.ubuntu.com/p/4rrqYmYRW7/ or see attached files
- XT99-autoreconn.txt
- Bluetooth monitor ver 5.64
- = Note: Linux version 6.7.0-060700rc8-generic (x86_64) 0.263499
- = Note: Bluetooth subsystem version 2.22 0.263501
- = New Index: E0:D4:64:77:A4:7E (Primary,USB,hci0) [hci0] 0.263504
- = Open Index: E0:D4:64:77:A4:7E [hci0] 0.263506
- = Index Info: E0:D4:64:77:A4:7E (Intel Corp.) [hci0] 0.263508
- @ MGMT Open: bluetoothd (privileged) version 1.22 {0x0001} 0.263510
- > HCI Event: Connect Request (0x04) plen 10 #1 [hci0] 9.658878
- Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- Class: 0x240404
- Major class: Audio/Video (headset, speaker, stereo, video, vcr)
- Minor class: Wearable Headset Device
- Rendering (Printing, Speaker)
- Audio (Speaker, Microphone, Headset)
- Link type: ACL (0x01)
- < HCI Command: Accept Connection Request (0x01|0x0009) plen 7 #2 [hci0] 9.659005
- Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- Role: Central (0x00)
- > HCI Event: Command Status (0x0f) plen 4 #3 [hci0] 9.661887
- Accept Connection Request (0x01|0x0009) ncmd 1
- Status: Success (0x00)
- > HCI Event: Role Change (0x12) plen 8 #4 [hci0] 9.778614
- Status: Success (0x00)
- Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- Role: Central (0x00)
- > HCI Event: Link Key Request (0x17) plen 6 #5 [hci0] 9.794602
- Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- < HCI Command: Link Key Request Reply (0x01|0x000b) plen 22 #6 [hci0] 9.794922
- Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- Link key: d74e802fd350322c75f85eb0f030c10d
- > HCI Event: Command Complete (0x0e) plen 10 #7 [hci0] 9.797571
- Link Key Request Reply (0x01|0x000b) ncmd 1
- Status: Success (0x00)
- Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- > HCI Event: Vendor (0xff) plen 4 #8 [hci0] 9.833807
- 26 00 01 01 &...
- > HCI Event: Connect Complete (0x03) plen 11 #9 [hci0] 9.836558
- Status: Success (0x00)
- Handle: 256
- Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- Link type: ACL (0x01)
- Encryption: Enabled (0x01)
- < HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2 #10 [hci0] 9.836815
- Handle: 256
- > HCI Event: Command Status (0x0f) plen 4 #11 [hci0] 9.839519
- Read Remote Supported Features (0x01|0x001b) ncmd 1
- Status: Success (0x00)
- < HCI Command: Write Scan Enable (0x03|0x001a) plen 1 #12 [hci0] 9.839553
- Scan enable: No Scans (0x00)
- > HCI Event: Command Complete (0x0e) plen 4 #13 [hci0] 9.842519
- Write Scan Enable (0x03|0x001a) ncmd 2
- Status: Success (0x00)
- > HCI Event: Read Remote Supported Features (0x0b) plen 11 #14 [hci0] 9.873529
- Status: Success (0x00)
- Handle: 256
- Features: 0xbf 0xfe 0x8d 0xfa 0xd8 0x3d 0x79 0x83
- 3 slot packets
- 5 slot packets
- Encryption
- Slot offset
- Timing accuracy
- Role switch
- Sniff mode
- Power control requests
- Channel quality driven data rate (CQDDR)
- SCO link
- HV2 packets
- HV3 packets
- u-law log synchronous data
- A-law log synchronous data
- CVSD synchronous data
- Power control
- Transparent synchronous data
- Broadcast Encryption
- Enhanced Data Rate ACL 2 Mbps mode
- Enhanced inquiry scan
- Interlaced inquiry scan
- Interlaced page scan
- RSSI with inquiry results
- Extended SCO link (EV3 packets)
- AFH capable peripheral
- AFH classification peripheral
- LE Supported (Controller)
- 3-slot Enhanced Data Rate ACL packets
- 5-slot Enhanced Data Rate ACL packets
- Pause encryption
- AFH capable central
- AFH classification central
- Enhanced Data Rate eSCO 2 Mbps mode
- Extended Inquiry Response
- Secure Simple Pairing
- Encapsulated PDU
- Erroneous Data Reporting
- Non-flushable Packet Boundary Flag
- Link Supervision Timeout Changed Event
- Inquiry TX Power Level
- Extended features
- < HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3 #15 [hci0] 9.873671
- Handle: 256
- Page: 1
- > HCI Event: Command Status (0x0f) plen 4 #16 [hci0] 9.876553
- Read Remote Extended Features (0x01|0x001c) ncmd 1
- Status: Success (0x00)
- > HCI Event: Read Remote Extended Features (0x23) plen 13 #17 [hci0] 9.881657
- Status: Success (0x00)
- Handle: 256
- Page: 1/2
- Features: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00
- Secure Simple Pairing (Host Support)
- < HCI Command: Remote Name Request (0x01|0x0019) plen 10 #18 [hci0] 9.881812
- Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- Page scan repetition mode: R2 (0x02)
- Page scan mode: Mandatory (0x00)
- Clock offset: 0x0000
- < ACL Data TX: Handle 256 flags 0x00 dlen 10 #19 [hci0] 9.881832
- L2CAP: Information Request (0x0a) ident 1 len 2
- Type: Extended features supported (0x0002)
- > ACL Data RX: Handle 256 flags 0x02 dlen 10 #20 [hci0] 9.882722
- L2CAP: Information Request (0x0a) ident 1 len 2
- Type: Extended features supported (0x0002)
- < ACL Data TX: Handle 256 flags 0x00 dlen 16 #21 [hci0] 9.882812
- L2CAP: Information Response (0x0b) ident 1 len 8
- Type: Extended features supported (0x0002)
- Result: Success (0x0000)
- Features: 0x000002b8
- Enhanced Retransmission Mode
- Streaming Mode
- FCS Option
- Fixed Channels
- Unicast Connectionless Data Reception
- > HCI Event: Command Status (0x0f) plen 4 #22 [hci0] 9.884497
- Remote Name Request (0x01|0x0019) ncmd 1
- Status: Success (0x00)
- > HCI Event: Number of Completed Packets (0x13) plen 5 #23 [hci0] 9.886489
- Num handles: 1
- Handle: 256
- Count: 1
- > HCI Event: Number of Completed Packets (0x13) plen 5 #24 [hci0] 9.888489
- Num handles: 1
- Handle: 256
- Count: 1
- > ACL Data RX: Handle 256 flags 0x02 dlen 16 #25 [hci0] 9.895127
- L2CAP: Information Response (0x0b) ident 1 len 8
- Type: Extended features supported (0x0002)
- Result: Success (0x0000)
- Features: 0x00000000
- > ACL Data RX: Handle 256 flags 0x02 dlen 12 #26 [hci0] 9.895137
- L2CAP: Connection Request (0x02) ident 1 len 4
- PSM: 1 (0x0001)
- Source CID: 64
- @ MGMT Event: Device Connected (0x000b) plen 18 {0x0001} [hci0] 9.895235
- BR/EDR Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- Flags: 0x00000000
- Data length: 5
- Class: 0x240404
- Major class: Audio/Video (headset, speaker, stereo, video, vcr)
- Minor class: Wearable Headset Device
- Rendering (Printing, Speaker)
- Audio (Speaker, Microphone, Headset)
- < ACL Data TX: Handle 256 flags 0x00 dlen 16 #27 [hci0] 9.895303
- L2CAP: Connection Response (0x03) ident 1 len 8
- Destination CID: 64
- Source CID: 64
- Result: Connection successful (0x0000)
- Status: No further information available (0x0000)
- < ACL Data TX: Handle 256 flags 0x00 dlen 12 #28 [hci0] 9.895326
- L2CAP: Configure Request (0x04) ident 2 len 4
- Destination CID: 64
- Flags: 0x0000
- > HCI Event: Remote Name Req Complete (0x07) plen 255 #29 [hci0] 9.903463
- Status: Success (0x00)
- Address: 8C:3C:AA:D8:11:67 (OUI 8C-3C-AA)
- Name: 联想 thinkplus XT99
- > HCI Event: Number of Completed Packets (0x13) plen 5 #30 [hci0] 9.905494
- Num handles: 1
- Handle: 256
- Count: 1
- > ACL Data RX: Handle 256 flags 0x02 dlen 16 #31 [hci0] 9.906703
- L2CAP: Configure Request (0x04) ident 2 len 8
- Destination CID: 64
- Flags: 0x0000
- Option: Maximum Transmission Unit (0x01) [mandatory]
- MTU: 672
- > ACL Data RX: Handle 256 flags 0x02 dlen 14 #32 [hci0] 9.906707
- L2CAP: Configure Response (0x05) ident 2 len 6
- Source CID: 64
- Flags: 0x0000
- Result: Success (0x0000)
- < ACL Data TX: Handle 256 flags 0x00 dlen 18 #33 [hci0] 9.906747
- L2CAP: Configure Response (0x05) ident 2 len 10
- Source CID: 64
- Flags: 0x0000
- Result: Success (0x0000)
- Option: Maximum Transmission Unit (0x01) [mandatory]
- MTU: 672
- > HCI Event: Number of Completed Packets (0x13) plen 5 #34 [hci0] 9.907480
- Num handles: 1
- Handle: 256
- Count: 1
- > HCI Event: Number of Completed Packets (0x13) plen 5 #35 [hci0] 9.931753
- Num handles: 1
- Handle: 256
- Count: 1
- > ACL Data RX: Handle 256 flags 0x02 dlen 24 #36 [hci0] 9.938709
- Channel: 64 len 20 [PSM 1 mode Basic (0x00)] {chan 0}
- SDP: Service Search Attribute Request (0x06) tid 1 len 15
- Search pattern: [len 6]
- Sequence (6) with 3 bytes [16 extra bits] len 6
- UUID (3) with 2 bytes [0 extra bits] len 3
- Handsfree Audio Gateway (0x111f)
- Max record count: 512
- Attribute list: [len 6]
- Sequence (6) with 3 bytes [16 extra bits] len 6
- Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
- 0x0004
- Continuation state: 0
- < ACL Data TX: Handle 256 flags 0x00 dlen 33 #37 [hci0] 9.939203
- Channel: 64 len 29 [PSM 1 mode Basic (0x00)] {chan 0}
- SDP: Service Search Attribute Response (0x07) tid 1 len 24
- Attribute bytes: 21
- Attribute list: [len 17] {position 0}
- Attribute: Protocol Descriptor List (0x0004) [len 2]
- Sequence (6) with 3 bytes [8 extra bits] len 5
- UUID (3) with 2 bytes [0 extra bits] len 3
- L2CAP (0x0100)
- Sequence (6) with 5 bytes [8 extra bits] len 7
- UUID (3) with 2 bytes [0 extra bits] len 3
- RFCOMM (0x0003)
- Unsigned Integer (1) with 1 byte [0 extra bits] len 2
- 0x0d
- Continuation state: 0
- > HCI Event: Number of Completed Packets (0x13) plen 5 #38 [hci0] 9.944501
- Num handles: 1
- Handle: 256
- Count: 1
- > ACL Data RX: Handle 256 flags 0x02 dlen 10 #39 [hci0] 9.954948
- L2CAP: Information Request (0x0a) ident 3 len 2
- Type: Extended features supported (0x0002)
- < ACL Data TX: Handle 256 flags 0x00 dlen 16 #40 [hci0] 9.955074
- L2CAP: Information Response (0x0b) ident 3 len 8
- Type: Extended features supported (0x0002)
- Result: Success (0x0000)
- Features: 0x000002b8
- Enhanced Retransmission Mode
- Streaming Mode
- FCS Option
- Fixed Channels
- Unicast Connectionless Data Reception
- > HCI Event: Number of Completed Packets (0x13) plen 5 #41 [hci0] 9.959686
- Num handles: 1
- Handle: 256
- Count: 1
- > ACL Data RX: Handle 256 flags 0x02 dlen 12 #42 [hci0] 9.966996
- L2CAP: Connection Request (0x02) ident 3 len 4
- PSM: 3 (0x0003)
- Source CID: 65
- < ACL Data TX: Handle 256 flags 0x00 dlen 16 #43 [hci0] 9.967144
- L2CAP: Connection Response (0x03) ident 3 len 8
- Destination CID: 0
- Source CID: 65
- Result: Connection refused - security block (0x0003)
- Status: No further information available (0x0000)
- > HCI Event: Number of Completed Packets (0x13) plen 5 #44 [hci0] 9.991660
- Num handles: 1
- Handle: 256
- Count: 1
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