Hi,
I was working on Jetson TX2 NX and using rtl8822ce chip for BT and connecting through USB. It is able to scan, pair, and connect but after connected it automatically disconnects within a few seconds.
I am using ‘bluetoothctl’ for connecting with devices.
Is there any way to solve this problem.
commands and output
root@localhost:/home/askc# bluetoothctl
[NEW] Controller 70:66:55:A6:F4:AA BlueZ 5.48 [default]
[NEW] Device 40:74:E0:07:2E:E7 7882--VISN--KOCHI1
Agent registered
[bluetooth]# power on
Changing power on succeeded
[bluetooth]# agent on
Agent is already registered
[bluetooth]# default-agent
Default agent request successful
[bluetooth]# trust 40:74:E0:07:2E:E7
Changing 40:74:E0:07:2E:E7 trust succeeded
[bluetooth]# connect 40:74:E0:07:2E:E7
Attempting to connect to 40:74:E0:07:2E:E7
[CHG] Device 40:74:E0:07:2E:E7 Connected: yes
[CHG] Device 40:74:E0:07:2E:E7 ServicesResolved: yes
Failed to connect: org.bluez.Error.InProgress
[CHG] Device 40:74:E0:07:2E:E7 ServicesResolved: no
[CHG] Device 40:74:E0:07:2E:E7 Connected: no
[bluetooth]#
btmon log
root@localhost:/home/askc# btmon
Bluetooth monitor ver 5.48
= Note: Linux version 4.9.253-tegra (aarch64) 0.197853
= Note: Bluetooth subsystem version 2.22 0.197856
= New Index: 70:66:55:A6:F4:AA (Primary,USB,hci0) [hci0] 0.197858
= Open Index: 70:66:55:A6:F4:AA [hci0] 0.197859
= Index Info: 70:66:55:A6:F4:AA (Realtek Semiconductor Corporation) [hci0] 0.197860
@ MGMT Open: bluetoothd (privileged) version 1.14 {0x0002} 0.197861
@ MGMT Open: bluetoothd (privileged) version 1.14 {0x0001} 0.197862
@ MGMT Open: btmon (privileged) version 1.14 {0x0003} 0.197888
< HCI Command: Create Connection (0x01|0x0005) plen 13 #1 [hci0] 13.839258
Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
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] 13.841328
Create Connection (0x01|0x0005) ncmd 2
Status: Success (0x00)
> HCI Event: Role Change (0x12) plen 8 #3 [hci0] 16.743307
Status: Success (0x00)
Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Role: Slave (0x01)
> HCI Event: Connect Complete (0x03) plen 11 #4 [hci0] 16.751320
Status: Success (0x00)
Handle: 2
Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Link type: ACL (0x01)
Encryption: Disabled (0x00)
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2 #5 [hci0] 16.751799
Handle: 2
> HCI Event: Command Status (0x0f) plen 4 #6 [hci0] 16.756285
Read Remote Supported Features (0x01|0x001b) ncmd 2
Status: Success (0x00)
< HCI Command: Write Scan Enable (0x03|0x001a) plen 1 #7 [hci0] 16.756346
Scan enable: No Scans (0x00)
> HCI Event: Command Complete (0x0e) plen 4 #8 [hci0] 16.758291
Write Scan Enable (0x03|0x001a) ncmd 2
Status: Success (0x00)
> HCI Event: Max Slots Change (0x1b) plen 3 #9 [hci0] 16.760277
Handle: 2
Max slots: 5
> HCI Event: Read Remote Supported Features (0x0b) plen 11 #10 [hci0] 16.765278
Status: Success (0x00)
Handle: 2
Features: 0xbf 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
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
Paging parameter negotiation
Power control
Transparent synchronous data
Enhanced Data Rate ACL 2 Mbps mode
Enhanced Data Rate ACL 3 Mbps mode
Enhanced inquiry scan
Interlaced inquiry scan
Interlaced page scan
RSSI with inquiry results
Extended SCO link (EV3 packets)
EV4 packets
EV5 packets
AFH capable slave
AFH classification slave
LE Supported (Controller)
3-slot Enhanced Data Rate ACL packets
5-slot Enhanced Data Rate ACL packets
Sniff subrating
Pause encryption
AFH capable master
AFH classification master
Enhanced Data Rate eSCO 2 Mbps mode
Enhanced Data Rate eSCO 3 Mbps mode
3-slot Enhanced Data Rate eSCO packets
Extended Inquiry Response
Simultaneous LE and BR/EDR (Controller)
Secure Simple Pairing
Encapsulated PDU
Erroneous Data Reporting
Non-flushable Packet Boundary Flag
Link Supervision Timeout Changed Event
Inquiry TX Power Level
Enhanced Power Control
Extended features
< HCI Command: Read Remote Extended Features (0x01|0x001c) plen 3 #11 [hci0] 16.765346
Handle: 2
Page: 1
> HCI Event: Command Status (0x0f) plen 4 #12 [hci0] 16.766306
Read Remote Extended Features (0x01|0x001c) ncmd 2
Status: Success (0x00)
> HCI Event: Read Remote Extended Features (0x23) plen 13 #13 [hci0] 16.770327
Status: Success (0x00)
Handle: 2
Page: 1/2
Features: 0x0b 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Secure Simple Pairing (Host Support)
LE Supported (Host)
Secure Connections (Host Support)
< HCI Command: Remote Name Request (0x01|0x0019) plen 10 #14 [hci0] 16.770625
Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Page scan repetition mode: R2 (0x02)
Page scan mode: Mandatory (0x00)
Clock offset: 0x0000
< ACL Data TX: Handle 2 flags 0x00 dlen 10 #15 [hci0] 16.770675
L2CAP: Information Request (0x0a) ident 1 len 2
Type: Extended features supported (0x0002)
> HCI Event: Command Status (0x0f) plen 4 #16 [hci0] 16.772307
Remote Name Request (0x01|0x0019) ncmd 2
Status: Success (0x00)
> ACL Data RX: Handle 2 flags 0x02 dlen 10 #17 [hci0] 16.772799
L2CAP: Information Request (0x0a) ident 1 len 2
Type: Extended features supported (0x0002)
< ACL Data TX: Handle 2 flags 0x00 dlen 16 #18 [hci0] 16.772888
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: Number of Completed Packets (0x13) plen 5 #19 [hci0] 16.774296
Num handles: 1
Handle: 2
Count: 1
> ACL Data RX: Handle 2 flags 0x02 dlen 16 #20 [hci0] 16.777663
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
< ACL Data TX: Handle 2 flags 0x00 dlen 10 #21 [hci0] 16.777820
L2CAP: Information Request (0x0a) ident 2 len 2
Type: Fixed channels supported (0x0003)
> HCI Event: Number of Completed Packets (0x13) plen 5 #22 [hci0] 16.779287
Num handles: 1
Handle: 2
Count: 1
> ACL Data RX: Handle 2 flags 0x02 dlen 10 #23 [hci0] 16.782725
L2CAP: Information Request (0x0a) ident 2 len 2
Type: Fixed channels supported (0x0003)
< ACL Data TX: Handle 2 flags 0x00 dlen 20 #24 [hci0] 16.782853
L2CAP: Information Response (0x0b) ident 2 len 12
Type: Fixed channels supported (0x0003)
Result: Success (0x0000)
Channels: 0x0000000000000006
L2CAP Signaling (BR/EDR)
Connectionless reception
> ACL Data RX: Handle 2 flags 0x02 dlen 20 #25 [hci0] 16.784044
L2CAP: Information Response (0x0b) ident 2 len 12
Type: Fixed channels supported (0x0003)
Result: Success (0x0000)
Channels: 0x0000000000000086
L2CAP Signaling (BR/EDR)
Connectionless reception
Security Manager (BR/EDR)
< ACL Data TX: Handle 2 flags 0x00 dlen 12 #26 [hci0] 16.784630
L2CAP: Connection Request (0x02) ident 3 len 4
PSM: 1 (0x0001)
Source CID: 64
> ACL Data RX: Handle 2 flags 0x02 dlen 16 #27 [hci0] 16.790202
L2CAP: Connection Response (0x03) ident 3 len 8
Destination CID: 64
Source CID: 64
Result: Connection successful (0x0000)
Status: No further information available (0x0000)
< ACL Data TX: Handle 2 flags 0x00 dlen 23 #28 [hci0] 16.790421
L2CAP: Configure Request (0x04) ident 4 len 15
Destination CID: 64
Flags: 0x0000
Option: Retransmission and Flow Control (0x04) [mandatory]
Mode: Basic (0x00)
TX window size: 0
Max transmit: 0
Retransmission timeout: 0
Monitor timeout: 0
Maximum PDU size: 0
> ACL Data RX: Handle 2 flags 0x02 dlen 23 #29 [hci0] 16.791555
L2CAP: Configure Request (0x04) ident 3 len 15
Destination CID: 64
Flags: 0x0000
Option: Retransmission and Flow Control (0x04) [mandatory]
Mode: Basic (0x00)
TX window size: 0
Max transmit: 0
Retransmission timeout: 0
Monitor timeout: 0
Maximum PDU size: 0
< ACL Data TX: Handle 2 flags 0x00 dlen 18 #30 [hci0] 16.791683
L2CAP: Configure Response (0x05) ident 3 len 10
Source CID: 64
Flags: 0x0000
Result: Success (0x0000)
Option: Maximum Transmission Unit (0x01) [mandatory]
MTU: 672
> ACL Data RX: Handle 2 flags 0x02 dlen 18 #31 [hci0] 16.793998
L2CAP: Configure Response (0x05) ident 4 len 10
Source CID: 64
Flags: 0x0000
Result: Success (0x0000)
Option: Maximum Transmission Unit (0x01) [mandatory]
MTU: 672
< ACL Data TX: Handle 2 flags 0x00 dlen 24 #32 [hci0] 16.794720
Channel: 64 len 20 [PSM 1 mode 0] {chan 0}
SDP: Service Search Attribute Request (0x06) tid 0 len 15
Search pattern: [len 5]
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Max record count: 65535
Attribute list: [len 7]
Sequence (6) with 5 bytes [8 extra bits] len 7
Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
0x0000ffff
Continuation state: 0
> HCI Event: Remote Name Req Complete (0x07) plen 255 #33 [hci0] 16.798290
Status: Success (0x00)
Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Name: 7882--VISN--KOCHI1
@ MGMT Event: Device Connected (0x000b) plen 33 {0x0003} [hci0] 16.798403
BR/EDR Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Flags: 0x00000000
Data length: 20
Name (complete): 7882--VISN--KOCHI1
@ MGMT Event: Device Connected (0x000b) plen 33 {0x0002} [hci0] 16.798403
BR/EDR Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Flags: 0x00000000
Data length: 20
Name (complete): 7882--VISN--KOCHI1
@ MGMT Event: Device Connected (0x000b) plen 33 {0x0001} [hci0] 16.798403
BR/EDR Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Flags: 0x00000000
Data length: 20
Name (complete): 7882--VISN--KOCHI1
> HCI Event: Number of Completed Packets (0x13) plen 5 #34 [hci0] 16.799386
Num handles: 1
Handle: 2
Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5 #35 [hci0] 16.800301
Num handles: 1
Handle: 2
Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5 #36 [hci0] 16.801325
Num handles: 1
Handle: 2
Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5 #37 [hci0] 16.802300
Num handles: 1
Handle: 2
Count: 1
> ACL Data RX: Handle 2 flags 0x02 dlen 676 #38 [hci0] 16.803030
Channel: 64 len 672 [PSM 1 mode 0] {chan 0}
SDP: Service Search Attribute Response (0x07) tid 0 len 667
Attribute bytes: 656
Continuation state: 8
23 98 ad 61 90 02 00 00 #..a....
> HCI Event: Number of Completed Packets (0x13) plen 5 #39 [hci0] 16.803278
Num handles: 1
Handle: 2
Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5 #40 [hci0] 16.804285
Num handles: 1
Handle: 2
Count: 1
< ACL Data TX: Handle 2 flags 0x00 dlen 32 #41 [hci0] 16.806517
Channel: 64 len 28 [PSM 1 mode 0] {chan 0}
SDP: Service Search Attribute Request (0x06) tid 1 len 23
Search pattern: [len 5]
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Max record count: 65535
Attribute list: [len 7]
Sequence (6) with 5 bytes [8 extra bits] len 7
Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
0x0000ffff
Continuation state: 8
23 98 ad 61 90 02 00 00 #..a....
> HCI Event: Number of Completed Packets (0x13) plen 5 #42 [hci0] 16.809290
Num handles: 1
Handle: 2
Count: 1
> ACL Data RX: Handle 2 flags 0x02 dlen 676 #43 [hci0] 16.814058
Channel: 64 len 672 [PSM 1 mode 0] {chan 0}
SDP: Service Search Attribute Response (0x07) tid 1 len 667
Attribute bytes: 656
Continuation state: 8
23 98 ad 61 20 05 00 00 #..a ...
< ACL Data TX: Handle 2 flags 0x00 dlen 32 #44 [hci0] 16.814293
Channel: 64 len 28 [PSM 1 mode 0] {chan 0}
SDP: Service Search Attribute Request (0x06) tid 2 len 23
Search pattern: [len 5]
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Max record count: 65535
Attribute list: [len 7]
Sequence (6) with 5 bytes [8 extra bits] len 7
Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
0x0000ffff
Continuation state: 8
23 98 ad 61 20 05 00 00 #..a ...
> HCI Event: Number of Completed Packets (0x13) plen 5 #45 [hci0] 16.817274
Num handles: 1
Handle: 2
Count: 1
> ACL Data RX: Handle 2 flags 0x02 dlen 162 #46 [hci0] 16.819887
Channel: 64 len 158 [PSM 1 mode 0] {chan 0}
SDP: Service Search Attribute Response (0x07) tid 2 len 153
Attribute bytes: 150
Continuation state: 0
Combined attribute bytes: 1462
Attribute list: [len 163] {position 0}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010001
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Generic Access Profile (0x1800)
Attribute: Protocol Descriptor List (0x0004) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x001f
Sequence (6) with 9 bytes [8 extra bits] len 11
UUID (3) with 2 bytes [0 extra bits] len 3
ATT (0x0007)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0001
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0005
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Documentation URL (0x000a) [len 2]
http://www.bluez.org/ [len 21]
Attribute: Client Executable URL (0x000b) [len 2]
http://www.bluez.org/ [len 21]
Attribute: Icon URL (0x000c) [len 2]
http://www.bluez.org/ [len 21]
Attribute: Unknown (0x0100) [len 2]
Generic Access Profile [len 22]
Attribute: Unknown (0x0102) [len 2]
BlueZ [len 5]
Attribute list: [len 88] {position 1}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010002
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Generic Attribute Profile (0x1801)
Attribute: Protocol Descriptor List (0x0004) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x001f
Sequence (6) with 9 bytes [8 extra bits] len 11
UUID (3) with 2 bytes [0 extra bits] len 3
ATT (0x0007)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0006
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x000f
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Unknown (0x0100) [len 2]
Generic Attribute Profile [len 25]
Attribute: Unknown (0x0102) [len 2]
BlueZ [len 5]
Attribute list: [len 81] {position 2}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010003
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Device Information (0x180a)
Attribute: Protocol Descriptor List (0x0004) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x001f
Sequence (6) with 9 bytes [8 extra bits] len 11
UUID (3) with 2 bytes [0 extra bits] len 3
ATT (0x0007)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0010
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0012
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Unknown (0x0100) [len 2]
Device Information [len 18]
Attribute: Unknown (0x0102) [len 2]
BlueZ [len 5]
Attribute list: [len 103] {position 3}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010004
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
A/V Remote Control (0x110e)
UUID (3) with 2 bytes [0 extra bits] len 3
A/V Remote Control Controller (0x110f)
Attribute: Protocol Descriptor List (0x0004) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0017
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
AVCTP (0x0017)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0103
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
A/V Remote Control (0x110e)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0106
Attribute: Additional Protocol Descriptor List (0x000d) [len 2]
Sequence (6) with 16 bytes [8 extra bits] len 18
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x001b
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
AVCTP (0x0017)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0103
Attribute: Unknown (0x0100) [len 2]
AVRCP CT [len 8]
Attribute: Unknown (0x0311) [len 2]
0x004f
Attribute list: [len 100] {position 4}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010005
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
A/V Remote Control Target (0x110c)
Attribute: Protocol Descriptor List (0x0004) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0017
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
AVCTP (0x0017)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0103
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
A/V Remote Control (0x110e)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0105
Attribute: Additional Protocol Descriptor List (0x000d) [len 2]
Sequence (6) with 16 bytes [8 extra bits] len 18
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x001b
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
AVCTP (0x0017)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0103
Attribute: Unknown (0x0100) [len 2]
AVRCP TG [len 8]
Attribute: Unknown (0x0311) [len 2]
0x005f
Attribute list: [len 83] {position 5}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010006
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Headset AG (0x1112)
UUID (3) with 2 bytes [0 extra bits] len 3
Generic Audio (0x1203)
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
0x0c
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
Headset (0x1108)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0102
Attribute: Unknown (0x0100) [len 2]
Headset Voice gateway [len 21]
Attribute list: [len 82] {position 6}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010007
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Headset (0x1108)
UUID (3) with 2 bytes [0 extra bits] len 3
Headset HS (0x1131)
UUID (3) with 2 bytes [0 extra bits] len 3
Generic Audio (0x1203)
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
0x03
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
Headset (0x1108)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0102
Attribute: Unknown (0x0100) [len 2]
Headset unit [len 12]
Attribute: Unknown (0x0302) [len 2]
false
Attribute list: [len 98] {position 7}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010008
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Message Notification Server (0x1133)
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
0x11
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX (0x0008)
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
Message Access Profile (0x1134)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0102
Attribute: Unknown (0x0100) [len 2]
Message Notification [len 20]
Attribute: Unknown (0x0200) [len 2]
0x1001
Attribute: Unknown (0x0317) [len 2]
0x0000007f
Attribute list: [len 102] {position 8}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010009
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Message Access Server (0x1132)
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
0x10
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX (0x0008)
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
Message Access Profile (0x1134)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0100
Attribute: Unknown (0x0100) [len 2]
Message Access [len 14]
Attribute: Unknown (0x0200) [len 2]
0x1003
Attribute: Unknown (0x0315) [len 2]
0x00
Attribute: Unknown (0x0316) [len 2]
0x0f
Attribute: Unknown (0x0317) [len 2]
0x0000007f
Attribute list: [len 100] {position 9}
Attribute: Service Record Handle (0x0000) [len 2]
0x0001000a
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Phonebook Access Server (0x112f)
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
0x0f
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX (0x0008)
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
Phonebook Access (0x1130)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0101
Attribute: Unknown (0x0100) [len 2]
Phone Book Access [len 17]
Attribute: Unknown (0x0200) [len 2]
0x1005
Attribute: Unknown (0x0314) [len 2]
0x01
Attribute: Unknown (0x0317) [len 2]
0x00000003
Attribute list: [len 86] {position 10}
Attribute: Service Record Handle (0x0000) [len 2]
0x0001000b
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
IrMC Sync (0x1104)
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
0x0e
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX (0x0008)
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
IrMC Sync (0x1104)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0100
Attribute: Unknown (0x0100) [len 2]
Synchronization [len 15]
Attribute: Unknown (0x0301) [len 2]
Unsigned Integer (1) with 1 byte [0 extra bits] len 2
0x01
Attribute list: [len 83] {position 11}
Attribute: Service Record Handle (0x0000) [len 2]
0x0001000c
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX File Transfer (0x1106)
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
0x0a
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX (0x0008)
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX File Transfer (0x1106)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0102
Attribute: Unknown (0x0100) [len 2]
File Transfer [len 13]
Attribute: Unknown (0x0200) [len 2]
0x1007
Attribute list: [len 100] {position 12}
Attribute: Service Record Handle (0x0000) [len 2]
0x0001000d
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX Object Push (0x1105)
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
0x09
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX (0x0008)
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
OBEX Object Push (0x1105)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0102
Attribute: Unknown (0x0100) [len 2]
Object Push [len 11]
Attribute: Unknown (0x0200) [len 2]
0x1009
Attribute: Unknown (0x0303) [len 2]
Unsigned Integer (1) with 1 byte [0 extra bits] len 2
0x01
Unsigned Integer (1) with 1 byte [0 extra bits] len 2
0x02
Unsigned Integer (1) with 1 byte [0 extra bits] len 2
0x03
Unsigned Integer (1) with 1 byte [0 extra bits] len 2
0x04
Unsigned Integer (1) with 1 byte [0 extra bits] len 2
0x05
Unsigned Integer (1) with 1 byte [0 extra bits] len 2
0x06
Unsigned Integer (1) with 1 byte [0 extra bits] len 2
0xff
Attribute list: [len 79] {position 13}
Attribute: Service Record Handle (0x0000) [len 2]
0x0001000e
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Audio Sink (0x110b)
Attribute: Protocol Descriptor List (0x0004) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0019
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
AVDTP (0x0019)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0103
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
Advanced Audio Distribution (0x110d)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0103
Attribute: Unknown (0x0100) [len 2]
Audio Sink [len 10]
Attribute: Unknown (0x0311) [len 2]
0x000f
Attribute list: [len 81] {position 14}
Attribute: Service Record Handle (0x0000) [len 2]
0x0001000f
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Audio Source (0x110a)
Attribute: Protocol Descriptor List (0x0004) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
L2CAP (0x0100)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0019
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
AVDTP (0x0019)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0103
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
Advanced Audio Distribution (0x110d)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0103
Attribute: Unknown (0x0100) [len 2]
Audio Source [len 12]
Attribute: Unknown (0x0311) [len 2]
0x000f
< ACL Data TX: Handle 2 flags 0x00 dlen 24 #47 [hci0] 16.833605
Channel: 64 len 20 [PSM 1 mode 0] {chan 0}
SDP: Service Search Attribute Request (0x06) tid 3 len 15
Search pattern: [len 5]
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
PnP Information (0x1200)
Max record count: 65535
Attribute list: [len 7]
Sequence (6) with 5 bytes [8 extra bits] len 7
Unsigned Integer (1) with 4 bytes [0 extra bits] len 5
0x0000ffff
Continuation state: 0
> HCI Event: Number of Completed Packets (0x13) plen 5 #48 [hci0] 16.844286
Num handles: 1
Handle: 2
Count: 1
> ACL Data RX: Handle 2 flags 0x02 dlen 88 #49 [hci0] 16.847348
Channel: 64 len 84 [PSM 1 mode 0] {chan 0}
SDP: Service Search Attribute Response (0x07) tid 3 len 79
Attribute bytes: 76
Attribute list: [len 72] {position 0}
Attribute: Service Record Handle (0x0000) [len 2]
0x00010000
Attribute: Service Class ID List (0x0001) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
PnP Information (0x1200)
Attribute: Browse Group List (0x0005) [len 2]
UUID (3) with 2 bytes [0 extra bits] len 3
Public Browse Root (0x1002)
Attribute: Bluetooth Profile Descriptor List (0x0009) [len 2]
Sequence (6) with 6 bytes [8 extra bits] len 8
UUID (3) with 2 bytes [0 extra bits] len 3
PnP Information (0x1200)
Unsigned Integer (1) with 2 bytes [0 extra bits] len 3
0x0103
Attribute: Unknown (0x0200) [len 2]
0x0103
Attribute: Unknown (0x0201) [len 2]
0x1d6b
Attribute: Unknown (0x0202) [len 2]
0x0246
Attribute: Unknown (0x0203) [len 2]
0x053a
Attribute: Unknown (0x0204) [len 2]
true
Attribute: Unknown (0x0205) [len 2]
0x0002
Continuation state: 0
< ACL Data TX: Handle 2 flags 0x00 dlen 12 #50 [hci0] 19.197253
L2CAP: Disconnection Request (0x06) ident 5 len 4
Destination CID: 64
Source CID: 64
> HCI Event: Number of Completed Packets (0x13) plen 5 #51 [hci0] 19.217302
Num handles: 1
Handle: 2
Count: 1
> ACL Data RX: Handle 2 flags 0x02 dlen 12 #52 [hci0] 19.300202
L2CAP: Disconnection Response (0x07) ident 5 len 4
Destination CID: 64
Source CID: 64
< HCI Command: Disconnect (0x01|0x0006) plen 3 #53 [hci0] 21.302398
Handle: 2
Reason: Remote User Terminated Connection (0x13)
> HCI Event: Command Status (0x0f) plen 4 #54 [hci0] 21.303300
Disconnect (0x01|0x0006) ncmd 2
Status: Success (0x00)
> HCI Event: Disconnect Complete (0x05) plen 4 #55 [hci0] 21.393318
Status: Success (0x00)
Handle: 2
Reason: Connection Terminated By Local Host (0x16)
@ MGMT Event: Device Disconnected (0x000c) plen 8 {0x0003} [hci0] 21.393402
BR/EDR Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Reason: Connection terminated by local host (0x02)
@ MGMT Event: Device Disconnected (0x000c) plen 8 {0x0002} [hci0] 21.393402
BR/EDR Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Reason: Connection terminated by local host (0x02)
@ MGMT Event: Device Disconnected (0x000c) plen 8 {0x0001} [hci0] 21.393402
BR/EDR Address: 40:74:E0:07:2E:E7 (OUI 40-74-E0)
Reason: Connection terminated by local host (0x02)
< HCI Command: Write Scan Enable (0x03|0x001a) plen 1 #56 [hci0] 21.422676
Scan enable: Page Scan (0x02)
> HCI Event: Command Complete (0x0e) plen 4 #57 [hci0] 21.424277
Write Scan Enable (0x03|0x001a) ncmd 2
Status: Success (0x00)