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#1 2022-06-04 23:48:59

beiker1996
Member
Registered: 2022-06-04
Posts: 1

Bluetooth CSR not found

Hello friends, I hope you are well. For the first time I will post here since a week ago I bought a Bluetooth Dongle V 5.0 to use with my wireless headphones on my trusty Arch but it happened that my interface stops after connecting it, just seconds after connecting it.

These are my outputs:

lsusb:

Bus 005 Device 003: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

dmesg:

sudo dmesg | grep Bluetooth
[   21.251294] Bluetooth: Core ver 2.22
[   21.251375] Bluetooth: HCI device and connection manager initialized
[   21.251387] Bluetooth: HCI socket layer initialized
[   21.251392] Bluetooth: L2CAP socket layer initialized
[   21.251404] Bluetooth: SCO socket layer initialized
[   22.065331] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once...
[   22.065347] Bluetooth: hci0: CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround
[   24.697621] Bluetooth: hci0: Opcode 0x c01 failed: -110
[   24.701158] Bluetooth: hci0: command tx timeout
[   27.919142] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   27.919154] Bluetooth: BNEP filters: protocol multicast
[   27.919163] Bluetooth: BNEP socket layer initialized
[   92.139711] Bluetooth: hci0: CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once...
[   92.139731] Bluetooth: hci0: CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround
[   94.884255] Bluetooth: hci0: command 0x0c01 tx timeout
[   94.884254] Bluetooth: hci0: Opcode 0x c01 failed: -110

btmon:

Bluetooth monitor ver 5.64
= Note: Linux version 5.18.1-arch1-1 (x86_64)                                                0.532792
= Note: Bluetooth subsystem version 2.22                                                     0.532796
= New Index: 04:7F:0E:0C:FF:C1 (Primary,USB,hci0)                                     [hci0] 0.532797
@ MGMT Open: bluetoothd (privileged) version 1.22                                   {0x0001} 0.532799
= Delete Index: 04:7F:0E:0C:FF:C1                                                     [hci0] 5.227193
= New Index: 00:00:00:00:00:00 (Primary,USB,hci0)                                    [hci0] 10.879626
= Open Index: 00:00:00:00:00:00                                                      [hci0] 10.879676
< HCI Command: Read Local Version Information (0x04|0x0001) plen 0                #1 [hci0] 10.879888
> HCI Event: Command Complete (0x0e) plen 12                                      #2 [hci0] 10.882317
      Read Local Version Information (0x04|0x0001) ncmd 1
        Status: Success (0x00)
        HCI version: Bluetooth 5.0 (0x09) - Revision 1 (0x0001)
        LMP version: Bluetooth 5.0 (0x09) - Subversion 1 (0x0001)
        Manufacturer: Barrot Technology Limited (2279)
< HCI Command: Reset (0x03|0x0003) plen 0                                         #3 [hci0] 10.882446
> HCI Event: Command Complete (0x0e) plen 4                                       #4 [hci0] 11.381303
      Reset (0x03|0x0003) ncmd 1
        Status: Success (0x00)
< HCI Command: Read Local Supported Features (0x04|0x0003) plen 0                 #5 [hci0] 11.381377
> HCI Event: Command Complete (0x0e) plen 12                                      #6 [hci0] 11.383294
      Read Local Supported Features (0x04|0x0003) ncmd 1
        Status: Success (0x00)
        Features: 0xbf 0xee 0xcd 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
          HV3 packets
          u-law log synchronous data
          A-law log synchronous data
          CVSD synchronous data
          Power control
          Transparent synchronous data
          Flow control lag (most significant bit)
          Broadcast Encryption
          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 peripheral
          AFH classification peripheral
          LE Supported (Controller)
          3-slot Enhanced Data Rate ACL packets
          5-slot Enhanced Data Rate ACL packets
          Sniff subrating
          Pause encryption
          AFH capable central
          AFH classification central
          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 Local Version Information (0x04|0x0001) plen 0                #7 [hci0] 11.383336
> HCI Event: Command Complete (0x0e) plen 12                                      #8 [hci0] 11.385295
      Read Local Version Information (0x04|0x0001) ncmd 1
        Status: Success (0x00)
        HCI version: Bluetooth 5.0 (0x09) - Revision 135 (0x0087)
        LMP version: Bluetooth 5.0 (0x09) - Subversion 135 (0x0087)
        Manufacturer: Barrot Technology Limited (2279)
< HCI Command: Read BD ADDR (0x04|0x0009) plen 0                                  #9 [hci0] 11.385338
> HCI Event: Command Complete (0x0e) plen 10                                     #10 [hci0] 11.387289
      Read BD ADDR (0x04|0x0009) ncmd 1
        Status: Success (0x00)
        Address: 04:7F:0E:0C:FF:C1 (Barrot Technology Limited)
< HCI Command: Read Buffer Size (0x04|0x0005) plen 0                             #11 [hci0] 11.387350
> HCI Event: Command Complete (0x0e) plen 11                                     #12 [hci0] 11.389297
      Read Buffer Size (0x04|0x0005) ncmd 1
        Status: Success (0x00)
        ACL MTU: 1021 ACL max packet: 9
        SCO MTU: 255  SCO max packet: 4
< HCI Command: Read Class of Device (0x03|0x0023) plen 0                         #13 [hci0] 11.389346
> HCI Event: Command Complete (0x0e) plen 7                                      #14 [hci0] 11.390308
      Read Class of Device (0x03|0x0023) ncmd 1
        Status: Success (0x00)
        Class: 0x000000
          Major class: Miscellaneous
          Minor class: 0x00
< HCI Command: Read Local Name (0x03|0x0014) plen 0                              #15 [hci0] 11.390348
> HCI Event: Command Complete (0x0e) plen 252                                    #16 [hci0] 11.422292
      Read Local Name (0x03|0x0014) ncmd 1
        Status: Success (0x00)
        Name: 
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0                           #17 [hci0] 11.422387
> HCI Event: Command Complete (0x0e) plen 6                                      #18 [hci0] 11.424339
      Read Voice Setting (0x03|0x0025) ncmd 1
        Status: Success (0x00)
        Setting: 0x0000
          Input Coding: Linear
          Input Data Format: 1's complement
          Input Sample Size: 8-bit
          # of bits padding at MSB: 0
          Air Coding Format: CVSD
< HCI Command: Read Number of Supported IAC (0x03|0x0038) plen 0                 #19 [hci0] 11.424426
> HCI Event: Command Complete (0x0e) plen 5                                      #20 [hci0] 11.426294
      Read Number of Supported IAC (0x03|0x0038) ncmd 1
        Status: Success (0x00)
        Number of IAC: 1
< HCI Command: Read Current IAC LAP (0x03|0x0039) plen 0                         #21 [hci0] 11.426360
> HCI Event: Command Complete (0x0e) plen 8                                      #22 [hci0] 11.428288
      Read Current IAC LAP (0x03|0x0039) ncmd 1
        Status: Success (0x00)
        Number of IAC: 1
        Access code: 0x9e8b33 (General Inquiry)
< HCI Command: Write Connection Accept Timeout (0x03|0x0016) plen 2              #23 [hci0] 11.428351
        Timeout: 20000.000 msec (0x7d00)
> HCI Event: Command Complete (0x0e) plen 4                                      #24 [hci0] 11.430295
      Write Connection Accept Timeout (0x03|0x0016) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Read Buffer Size (0x08|0x0002) plen 0                          #25 [hci0] 11.430357
> HCI Event: Command Complete (0x0e) plen 7                                      #26 [hci0] 11.432294
      LE Read Buffer Size (0x08|0x0002) ncmd 1
        Status: Success (0x00)
        Data packet length: 251
        Num data packets: 6
< HCI Command: LE Read Local Supported Features (0x08|0x0003) plen 0             #27 [hci0] 11.432356
> HCI Event: Command Complete (0x0e) plen 12                                     #28 [hci0] 11.434298
      LE Read Local Supported Features (0x08|0x0003) ncmd 1
        Status: Success (0x00)
        Features: 0xff 0xf8 0x01 0x00 0x00 0x00 0x00 0x00
          LE Encryption
          Connection Parameter Request Procedure
          Extended Reject Indication
          Peripheral-initiated Features Exchange
          LE Ping
          LE Data Packet Length Extension
          LL Privacy
          Extended Scanner Filter Policies
          LE Coded PHY
          LE Extended Advertising
          LE Periodic Advertising
          Channel Selection Algorithm #2
          LE Power Class 1
          Minimum Number of Used Channels Procedure
< HCI Command: LE Read Supported States (0x08|0x001c) plen 0                     #29 [hci0] 11.434357
> HCI Event: Command Complete (0x0e) plen 12                                     #30 [hci0] 11.436294
      LE Read Supported States (0x08|0x001c) ncmd 1
        Status: Success (0x00)
        States: 0x000003ffffffffff
          Non-connectable Advertising State
          Scannable Advertising State
          Connectable Advertising State
          High Duty Cycle Directed Advertising State
          Passive Scanning State
          Active Scanning State
          Initiating State
            and Connection State (Central Role)
          Connection State (Peripheral Role)
          Non-connectable Advertising State
            and Passive Scanning State
          Scannable Advertising State
            and Passive Scanning State
          Connectable Advertising State
            and Passive Scanning State
          High Duty Cycle Directed Advertising State
            and Passive Scanning State
          Non-connectable Advertising State
            and Active Scanning State
          Scannable Advertising State
            and Active Scanning State
          Connectable Advertising State
            and Active Scanning State
          High Duty Cycle Directed Advertising State
            and Active Scanning State
          Non-connectable Advertising State
            and Initiating State
          Scannable Advertising State
            and Initiating State
          Non-connectable Advertising State
            and Connection State (Central Role)
          Scannable Advertising State
            and Connection State (Central Role)
          Non-connectable Advertising State
            and Connection State (Peripheral Role)
          Scannable Advertising State
            and Connection State (Peripheral Role)
          Passive Scanning State
            and Initiating State
          Active Scanning State
            and Initiating State
          Passive Scanning State
            and Connection State (Central Role)
          Active Scanning State
            and Connection State (Central Role)
          Passive Scanning State
            and Connection State (Peripheral Role)
          Active Scanning State
            and Connection State (Peripheral Role)
          Initiating State
            and Connection State (Central Role)
            and Central Role & Central Role
          Low Duty Cycle Directed Advertising State
          Low Duty Cycle Directed Advertising State
            and Passive Scanning State
          Low Duty Cycle Directed Advertising State
            and Active Scanning State
          Connectable Advertising State
            and Initiating State
            and Central Role & Peripheral Role
          High Duty Cycle Directed Advertising State
            and Initiating State
            and Central Role & Peripheral Role
          Low Duty Cycle Directed Advertising State
            and Initiating State
            and Central Role & Peripheral Role
          Connectable Advertising State
            and Connection State (Central Role)
            and Central Role & Peripheral Role
          High Duty Cycle Directed Advertising State
            and Connection State (Central Role)
            and Central Role & Peripheral Role
          Low Duty Cycle Directed Advertising State
            and Connection State (Central Role)
            and Central Role & Peripheral Role
          Connectable Advertising State
            and Connection State (Peripheral Role)
            and Central Role & Peripheral Role
          High Duty Cycle Directed Advertising State
            and Connection State (Peripheral Role)
            and Peripheral Role & Peripheral Role
          Low Duty Cycle Directed Advertising State
            and Connection State (Peripheral Role)
            and Peripheral Role & Peripheral Role
          Initiating State
            and Connection State (Peripheral Role)
            and Central Role & Peripheral Role
< HCI Command: Read Local Supported Commands (0x04|0x0002) plen 0                #31 [hci0] 11.436356
> HCI Event: Command Complete (0x0e) plen 68                                     #32 [hci0] 11.446291
      Read Local Supported Commands (0x04|0x0002) ncmd 1
        Status: Success (0x00)
        Commands: 220 entries
          Inquiry (Octet 0 - Bit 0)
          Inquiry Cancel (Octet 0 - Bit 1)
          Periodic Inquiry Mode (Octet 0 - Bit 2)
          Exit Periodic Inquiry Mode (Octet 0 - Bit 3)
          Create Connection (Octet 0 - Bit 4)
          Disconnect (Octet 0 - Bit 5)
          Create Connection Cancel (Octet 0 - Bit 7)
          Accept Connection Request (Octet 1 - Bit 0)
          Reject Connection Request (Octet 1 - Bit 1)
          Link Key Request Reply (Octet 1 - Bit 2)
          Link Key Request Negative Reply (Octet 1 - Bit 3)
          PIN Code Request Reply (Octet 1 - Bit 4)
          PIN Code Request Negative Reply (Octet 1 - Bit 5)
          Change Connection Packet Type (Octet 1 - Bit 6)
          Authentication Requested (Octet 1 - Bit 7)
          Set Connection Encryption (Octet 2 - Bit 0)
          Change Connection Link Key (Octet 2 - Bit 1)
          Temporary Link Key (Octet 2 - Bit 2)
          Remote Name Request (Octet 2 - Bit 3)
          Remote Name Request Cancel (Octet 2 - Bit 4)
          Read Remote Supported Features (Octet 2 - Bit 5)
          Read Remote Extended Features (Octet 2 - Bit 6)
          Read Remote Version Information (Octet 2 - Bit 7)
          Read Clock Offset (Octet 3 - Bit 0)
          Read LMP Handle (Octet 3 - Bit 1)
          Sniff Mode (Octet 4 - Bit 2)
          Exit Sniff Mode (Octet 4 - Bit 3)
          QoS Setup (Octet 4 - Bit 6)
          Role Discovery (Octet 4 - Bit 7)
          Switch Role (Octet 5 - Bit 0)
          Read Link Policy Settings (Octet 5 - Bit 1)
          Write Link Policy Settings (Octet 5 - Bit 2)
          Read Default Link Policy Settings (Octet 5 - Bit 3)
          Write Default Link Policy Settings (Octet 5 - Bit 4)
          Flow Specification (Octet 5 - Bit 5)
          Set Event Mask (Octet 5 - Bit 6)
          Reset (Octet 5 - Bit 7)
          Set Event Filter (Octet 6 - Bit 0)
          Flush (Octet 6 - Bit 1)
          Read PIN Type (Octet 6 - Bit 2)
          Write PIN Type (Octet 6 - Bit 3)
          Read Stored Link Key (Octet 6 - Bit 5)
          Write Stored Link Key (Octet 6 - Bit 6)
          Delete Stored Link Key (Octet 6 - Bit 7)
          Write Local Name (Octet 7 - Bit 0)
          Read Local Name (Octet 7 - Bit 1)
          Read Connection Accept Timeout (Octet 7 - Bit 2)
          Write Connection Accept Timeout (Octet 7 - Bit 3)
          Read Page Timeout (Octet 7 - Bit 4)
          Write Page Timeout (Octet 7 - Bit 5)
          Read Scan Enable (Octet 7 - Bit 6)
          Write Scan Enable (Octet 7 - Bit 7)
          Read Page Scan Activity (Octet 8 - Bit 0)
          Write Page Scan Activity (Octet 8 - Bit 1)
          Read Inquiry Scan Activity (Octet 8 - Bit 2)
          Write Inquiry Scan Activity (Octet 8 - Bit 3)
          Read Authentication Enable (Octet 8 - Bit 4)
          Write Authentication Enable (Octet 8 - Bit 5)
          Read Class of Device (Octet 9 - Bit 0)
          Write Class of Device (Octet 9 - Bit 1)
          Read Voice Setting (Octet 9 - Bit 2)
          Write Voice Setting (Octet 9 - Bit 3)
          Read Automatic Flush Timeout (Octet 9 - Bit 4)
          Write Automatic Flush Timeout (Octet 9 - Bit 5)
          Read Num Broadcast Retransmissions (Octet 9 - Bit 6)
          Write Num Broadcast Retransmissions (Octet 9 - Bit 7)
          Read Transmit Power Level (Octet 10 - Bit 2)
          Read Sync Flow Control Enable (Octet 10 - Bit 3)
          Write Sync Flow Control Enable (Octet 10 - Bit 4)
          Set Controller To Host Flow Control (Octet 10 - Bit 5)
          Host Buffer Size (Octet 10 - Bit 6)
          Host Number of Completed Packets (Octet 10 - Bit 7)
          Read Link Supervision Timeout (Octet 11 - Bit 0)
          Write Link Supervision Timeout (Octet 11 - Bit 1)
          Read Number of Supported IAC (Octet 11 - Bit 2)
          Read Current IAC LAP (Octet 11 - Bit 3)
          Write Current IAC LAP (Octet 11 - Bit 4)
          Set AFH Host Channel Classification (Octet 12 - Bit 1)
          Read Inquiry Scan Type (Octet 12 - Bit 4)
          Write Inquiry Scan Type (Octet 12 - Bit 5)
          Read Inquiry Mode (Octet 12 - Bit 6)
          Write Inquiry Mode (Octet 12 - Bit 7)
          Read Page Scan Type (Octet 13 - Bit 0)
          Write Page Scan Type (Octet 13 - Bit 1)
          Read AFH Channel Assessment Mode (Octet 13 - Bit 2)
          Write AFH Channel Assessment Mode (Octet 13 - Bit 3)
          Read Local Version Information (Octet 14 - Bit 3)
          Read Local Supported Features (Octet 14 - Bit 5)
          Read Local Extended Features (Octet 14 - Bit 6)
          Read Buffer Size (Octet 14 - Bit 7)
          Read BD ADDR (Octet 15 - Bit 1)
          Read Failed Contact Counter (Octet 15 - Bit 2)
          Reset Failed Contact Counter (Octet 15 - Bit 3)
          Read Link Quality (Octet 15 - Bit 4)
          Read RSSI (Octet 15 - Bit 5)
          Read AFH Channel Map (Octet 15 - Bit 6)
          Read Clock (Octet 15 - Bit 7)
          Read Loopback Mode (Octet 16 - Bit 0)
          Write Loopback Mode (Octet 16 - Bit 1)
          Enable Device Under Test Mode (Octet 16 - Bit 2)
          Setup Synchronous Connection (Octet 16 - Bit 3)
          Accept Synchronous Connection Request (Octet 16 - Bit 4)
          Reject Synchronous Connection Request (Octet 16 - Bit 5)
          Read Extended Inquiry Response (Octet 17 - Bit 0)
          Write Extended Inquiry Response (Octet 17 - Bit 1)
          Refresh Encryption Key (Octet 17 - Bit 2)
          Sniff Subrating (Octet 17 - Bit 4)
          Read Simple Pairing Mode (Octet 17 - Bit 5)
          Write Simple Pairing Mode (Octet 17 - Bit 6)
          Read Local OOB Data (Octet 17 - Bit 7)
          Read Inquiry Response TX Power Level (Octet 18 - Bit 0)
          Write Inquiry Transmit Power Level (Octet 18 - Bit 1)
          Read Default Erroneous Data Reporting (Octet 18 - Bit 2)
          Write Default Erroneous Data Reporting (Octet 18 - Bit 3)
          IO Capability Request Reply (Octet 18 - Bit 7)
          User Confirmation Request Reply (Octet 19 - Bit 0)
          User Confirmation Request Neg Reply (Octet 19 - Bit 1)
          User Passkey Request Reply (Octet 19 - Bit 2)
          User Passkey Request Negative Reply (Octet 19 - Bit 3)
          Remote OOB Data Request Reply (Octet 19 - Bit 4)
          Write Simple Pairing Debug Mode (Octet 19 - Bit 5)
          Enhanced Flush (Octet 19 - Bit 6)
          Remote OOB Data Request Neg Reply (Octet 19 - Bit 7)
          Send Keypress Notification (Octet 20 - Bit 2)
          IO Capability Request Negative Reply (Octet 20 - Bit 3)
          Read Encryption Key Size (Octet 20 - Bit 4)
          Set Event Mask Page 2 (Octet 22 - Bit 2)
          Read Enhanced Transmit Power Level (Octet 24 - Bit 0)
          Read LE Host Supported (Octet 24 - Bit 5)
          Write LE Host Supported (Octet 24 - Bit 6)
          LE Set Event Mask (Octet 25 - Bit 0)
          LE Read Buffer Size (Octet 25 - Bit 1)
          LE Read Local Supported Features (Octet 25 - Bit 2)
          LE Set Random Address (Octet 25 - Bit 4)
          LE Set Advertising Parameters (Octet 25 - Bit 5)
          LE Read Advertising Channel TX Power (Octet 25 - Bit 6)
          LE Set Advertising Data (Octet 25 - Bit 7)
          LE Set Scan Response Data (Octet 26 - Bit 0)
          LE Set Advertise Enable (Octet 26 - Bit 1)
          LE Set Scan Parameters (Octet 26 - Bit 2)
          LE Set Scan Enable (Octet 26 - Bit 3)
          LE Create Connection (Octet 26 - Bit 4)
          LE Create Connection Cancel (Octet 26 - Bit 5)
          LE Read Accept List Size (Octet 26 - Bit 6)
          LE Clear Accept List (Octet 26 - Bit 7)
          LE Add Device To Accept List (Octet 27 - Bit 0)
          LE Remove Device From Accept List (Octet 27 - Bit 1)
          LE Connection Update (Octet 27 - Bit 2)
          LE Set Host Channel Classification (Octet 27 - Bit 3)
          LE Read Channel Map (Octet 27 - Bit 4)
          LE Read Remote Used Features (Octet 27 - Bit 5)
          LE Encrypt (Octet 27 - Bit 6)
          LE Rand (Octet 27 - Bit 7)
          LE Start Encryption (Octet 28 - Bit 0)
          LE Long Term Key Request Reply (Octet 28 - Bit 1)
          LE Long Term Key Request Neg Reply (Octet 28 - Bit 2)
          LE Read Supported States (Octet 28 - Bit 3)
          LE Receiver Test (Octet 28 - Bit 4)
          LE Transmitter Test (Octet 28 - Bit 5)
          LE Test End (Octet 28 - Bit 6)
          Enhanced Setup Synchronous Connection (Octet 29 - Bit 3)
          Enhanced Accept Synchronous Connection Request (Octet 29 - Bit 4)
          Read Local Supported Codecs (Octet 29 - Bit 5)
          Remote OOB Extended Data Request Reply (Octet 32 - Bit 1)
          Read Secure Connections Host Support (Octet 32 - Bit 2)
          Write Secure Connections Host Support (Octet 32 - Bit 3)
          Read Authenticated Payload Timeout (Octet 32 - Bit 4)
          Write Authenticated Payload Timeout (Octet 32 - Bit 5)
          Read Local OOB Extended Data (Octet 32 - Bit 6)
          Read Extended Page Timeout (Octet 33 - Bit 0)
          Write Extended Page Timeout (Octet 33 - Bit 1)
          Read Extended Inquiry Length (Octet 33 - Bit 2)
          Write Extended Inquiry Length (Octet 33 - Bit 3)
          LE Remote Connection Parameter Request Reply (Octet 33 - Bit 4)
          LE Remote Connection Parameter Request Negative Reply (Octet 33 - Bit 5)
          LE Set Data Length (Octet 33 - Bit 6)
          LE Read Suggested Default Data Length (Octet 33 - Bit 7)
          LE Write Suggested Default Data Length (Octet 34 - Bit 0)
          LE Read Local P-256 Public Key (Octet 34 - Bit 1)
          LE Generate DHKey (Octet 34 - Bit 2)
          LE Add Device To Resolving List (Octet 34 - Bit 3)
          LE Remove Device From Resolving List (Octet 34 - Bit 4)
          LE Clear Resolving List (Octet 34 - Bit 5)
          LE Read Resolving List Size (Octet 34 - Bit 6)
          LE Read Peer Resolvable Address (Octet 34 - Bit 7)
          LE Read Local Resolvable Address (Octet 35 - Bit 0)
          LE Set Address Resolution Enable (Octet 35 - Bit 1)
          LE Set Resolvable Private Address Timeout (Octet 35 - Bit 2)
          LE Read Maximum Data Length (Octet 35 - Bit 3)
          LE Read PHY (Octet 35 - Bit 4)
          LE Set Default PHY (Octet 35 - Bit 5)
          LE Set PHY (Octet 35 - Bit 6)
          LE Enhanced Receiver Test (Octet 35 - Bit 7)
          LE Enhanced Transmitter Test (Octet 36 - Bit 0)
          LE Set Advertising Set Random Address (Octet 36 - Bit 1)
          LE Set Extended Advertising Parameters (Octet 36 - Bit 2)
          LE Set Extended Advertising Data (Octet 36 - Bit 3)
          LE Set Extended Scan Response Data (Octet 36 - Bit 4)
          LE Set Extended Advertising Enable (Octet 36 - Bit 5)
          LE Read Maximum Advertising Data Length (Octet 36 - Bit 6)
          LE Read Number of Supported Advertising Sets (Octet 36 - Bit 7)
          LE Remove Advertising Set (Octet 37 - Bit 0)
          LE Clear Advertising Sets (Octet 37 - Bit 1)
          LE Set Periodic Advertising Parameters (Octet 37 - Bit 2)
          LE Set Periodic Advertising Data (Octet 37 - Bit 3)
          LE Set Periodic Advertising Enable (Octet 37 - Bit 4)
          LE Set Extended Scan Parameters (Octet 37 - Bit 5)
          LE Set Extended Scan Enable (Octet 37 - Bit 6)
          LE Extended Create Connection (Octet 37 - Bit 7)
          LE Periodic Advertising Create Sync (Octet 38 - Bit 0)
          LE Periodic Advertising Create Sync Cancel (Octet 38 - Bit 1)
          LE Periodic Advertising Terminate Sync (Octet 38 - Bit 2)
          LE Add Device To Periodic Advertiser List (Octet 38 - Bit 3)
          LE Remove Device From Periodic Advertiser List (Octet 38 - Bit 4)
          LE Clear Periodic Advertiser List (Octet 38 - Bit 5)
          LE Read Periodic Advertiser List Size (Octet 38 - Bit 6)
          LE Read Transmit Power (Octet 38 - Bit 7)
          LE Read RF Path Compensation (Octet 39 - Bit 0)
          LE Write RF Path Compensation (Octet 39 - Bit 1)
          LE Set Privacy Mode (Octet 39 - Bit 2)
< HCI Command: Write Extended Inquiry Response (0x03|0x0052) plen 241            #33 [hci0] 11.446373
        FEC: Not required (0x00)
> HCI Event: Command Complete (0x0e) plen 4                                      #34 [hci0] 11.448304
      Write Extended Inquiry Response (0x03|0x0052) ncmd 1
        Status: Success (0x00)
< HCI Command: Write Inquiry Mode (0x03|0x0045) plen 1                           #35 [hci0] 11.448376
        Mode: Inquiry Result with RSSI or Extended Inquiry Result (0x02)
> HCI Event: Command Complete (0x0e) plen 4                                      #36 [hci0] 11.450296
      Write Inquiry Mode (0x03|0x0045) ncmd 1
        Status: Success (0x00)
< HCI Command: Read Inquiry Response TX Power Level (0x03|0x0058) plen 0         #37 [hci0] 11.450491
> HCI Event: Command Complete (0x0e) plen 5                                      #38 [hci0] 11.452288
      Read Inquiry Response TX Power Level (0x03|0x0058) ncmd 1
        Status: Success (0x00)
        TX power: 0 dbm (0x00)
< HCI Command: Read Local Extended Features (0x04|0x0004) plen 1                 #39 [hci0] 11.452333
        Page: 1
> HCI Event: Command Complete (0x0e) plen 14                                     #40 [hci0] 11.454296
      Read Local Extended Features (0x04|0x0004) ncmd 1
        Status: Success (0x00)
        Page: 1/2
        Features: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00
< HCI Command: Set Event Mask (0x03|0x0001) plen 8                               #41 [hci0] 11.454340
        Mask: 0x3dbff807fffbffff
          Inquiry Complete
          Inquiry Result
          Connection Complete
          Connection Request
          Disconnection Complete
          Authentication Complete
          Remote Name Request Complete
          Encryption Change
          Change Connection Link Key Complete
          Link Key Type Changed
          Read Remote Supported Features Complete
          Read Remote Version Information Complete
          QoS Setup Complete
          Command Complete
          Command Status
          Hardware Error
          Flush Occurred
          Role Change
          Mode Change
          Return Link Keys
          PIN Code Request
          Link Key Request
          Link Key Notification
          Loopback Command
          Data Buffer Overflow
          Max Slots Change
          Read Clock Offset Complete
          Connection Packet Type Changed
          QoS Violation
          Page Scan Mode Change
          Page Scan Repetition Mode Change
          Flow Specification Complete
          Inquiry Result with RSSI
          Read Remote Extended Features Complete
          Synchronous Connection Complete
          Synchronous Connection Changed
          Sniff Subrating
          Extended Inquiry Result
          Encryption Key Refresh Complete
          IO Capability Request
          IO Capability Request Reply
          User Confirmation Request
          User Passkey Request
          Remote OOB Data Request
          Simple Pairing Complete
          Link Supervision Timeout Changed
          Enhanced Flush Complete
          User Passkey Notification
          Keypress Notification
          Remote Host Supported Features Notification
          LE Meta
= Close Index: 04:7F:0E:0C:FF:C1

It disappoints me a lot since in Windows it works as a generic driver but in my faithful Linux it does not. I have tried everything or almost everything to download the kernel version, compile a new kernel and nothing. If someone can help me I would appreciate it. Thanks.

Last edited by beiker1996 (2022-06-04 23:50:10)

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#2 2022-10-10 17:42:55

ostroffjh
Member
From: Southeast Connecticut, USA
Registered: 2009-11-13
Posts: 25

Re: Bluetooth CSR not found

You can find lots of posts about those cheap Chinese knock-offs, which are definitely not real CSR devices.  However, take a look at https://bugzilla.kernel.org/show_bug.cgi?id=60824.  There are some patches in there that used to work - but most (all?) of them have been incorporated into recent kernels (5.19.x?)  However, your dmesg looks similar to mine, which is again having problems with kernel 6.0.0, after having worked for some time.  I suspect some regression in the kernel BT code, but have not yet tracked down any telling evidence.

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#3 2022-10-10 20:27:53

Pyntux
Member
From: Serbia
Registered: 2008-12-21
Posts: 391

Re: Bluetooth CSR not found

Which kernel are you using?

Bus 001 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

...this i my bluetooth dongle and everything works with kernel 5.19 +....

Could you try other usb? In some usb this device does not work for me ether... Try usb direct on MB...


I do not speak English, but I understand...

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#4 2022-10-10 22:45:23

2ManyDogs
Forum Fellow
Registered: 2012-01-15
Posts: 4,645

Re: Bluetooth CSR not found

The OP has not been back since June. Closing this abandoned topic.

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