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disconnect from service after arbitrary amount of time #475

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dewetdt opened this issue Jan 19, 2022 · 2 comments
Open

disconnect from service after arbitrary amount of time #475

dewetdt opened this issue Jan 19, 2022 · 2 comments

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@dewetdt
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dewetdt commented Jan 19, 2022

Hi I am are writing a service on a rpi CM4, the BLE connection drops after a set amount of time.

btmon log:

0.223304
= Note: Bluetooth subsystem version 2.22                                                                                                                                            0.223317
= New Index: E4:5F:01:2C:B2:6D (Primary,UART,hci0)                                                                                                                           [hci0] 0.223326
= Open Index: E4:5F:01:2C:B2:6D                                                                                                                                              [hci0] 0.223328
= Index Info: E4:5F:01:2C:B2:6D (Cypress Semiconductor)                                                                                                                      [hci0] 0.223332
@ RAW Open: node (privileged) version 2.22                                                                                                                          {0x0002} [hci0] 0.223336
@ MGMT Open: node (privileged) version 1.18                                                                                                                                {0x0001} 0.223340
> HCI Event: LE Meta Event (0x3e) plen 19                                                                                                                                #1 [hci0] 46.387030
      LE Connection Complete (0x01)
        Status: Success (0x00)
        Handle: 64
        Role: Slave (0x01)
        Peer address type: Random (0x01)
        Peer address: 48:A5:28:E6:17:D1 (Resolvable)
        Connection interval: 45.00 msec (0x0024)
        Connection latency: 0 (0x0000)
        Supervision timeout: 5000 msec (0x01f4)
        Master clock accuracy: 0x00
@ MGMT Event: Device Connected (0x000b) plen 13                                                                                                                    {0x0001} [hci0] 46.387146
        LE Address: 48:A5:28:E6:17:D1 (Resolvable)
        Flags: 0x00000000
        Data length: 0
> HCI Event: Vendor (0xff) plen 5                                                                                                                                        #2 [hci0] 46.387042
        55 00 00 40 00                                   U..@.
< HCI Command: LE Read Remote Used Features (0x08|0x0016) plen 2                                                                                                         #3 [hci0] 46.387420
        Handle: 64
> HCI Event: Command Status (0x0f) plen 4                                                                                                                                #4 [hci0] 46.388021
      LE Read Remote Used Features (0x08|0x0016) ncmd 1
        Status: Success (0x00)
> HCI Event: Command Complete (0x0e) plen 14                                                                                                                             #5 [hci0] 46.388031
      LE Read Remote Used Features (0x08|0x0016) ncmd 1
        Status: Success (0x00)
        00 00 00 00 00 00 00 00 00 00                    ..........
> HCI Event: LE Meta Event (0x3e) plen 12                                                                                                                                #6 [hci0] 46.456079
      LE Read Remote Used Features (0x04)
        Status: Success (0x00)
        Handle: 64
        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
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                              #7 [hci0] 46.815953
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x0001-0xffff
        Attribute group type: Primary Service (0x2800)
< ACL Data TX: Handle 64 flags 0x00 dlen 24                                                                                                                              #8 [hci0] 46.816698
      ATT: Read By Group Type Response (0x11) len 19
        Attribute data length: 6
        Attribute group list: 3 entries
        Handle range: 0x0001-0x0005
        UUID: Generic Access Profile (0x1800)
        Handle range: 0x0006-0x0009
        UUID: Generic Attribute Profile (0x1801)
        Handle range: 0x000a-0x0016
        UUID: Device Information (0x180a)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                              #9 [hci0] 46.995356
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x0017-0xffff
        Attribute group type: Primary Service (0x2800)
< ACL Data TX: Handle 64 flags 0x00 dlen 26                                                                                                                             #10 [hci0] 46.996037
      ATT: Read By Group Type Response (0x11) len 21
        Attribute data length: 20
        Attribute group list: 1 entry
        Handle range: 0x0017-0x0044
        UUID: Vendor specific (0fda92b2-44a2-4af2-84f5-fa682baa2b8d)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #11 [hci0] 47.085597
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x0045-0xffff
        Attribute group type: Primary Service (0x2800)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #12 [hci0] 47.085793
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 9                                                                                                                              #13 [hci0] 47.086226
      ATT: Error Response (0x01) len 4
        Read By Group Type Request (0x10)
        Handle: 0x0045
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #14 [hci0] 47.175356
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0001-0x0005
        Attribute type: Include (0x2802)
< ACL Data TX: Handle 64 flags 0x00 dlen 9                                                                                                                              #15 [hci0] 47.175977
      ATT: Error Response (0x01) len 4
        Read By Type Request (0x08)
        Handle: 0x0001
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #16 [hci0] 47.265600
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0001-0x0005
        Attribute type: Characteristic (0x2803)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #17 [hci0] 47.265791
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 20                                                                                                                             #18 [hci0] 47.266296
      ATT: Read By Type Response (0x09) len 15
        Attribute data length: 7
        Attribute data list: 2 entries
        Handle: 0x0002
        Value: 020300002a
        Handle: 0x0004
        Value: 020500012a
> HCI Event: LE Meta Event (0x3e) plen 10                                                                                                                               #19 [hci0] 47.310818
      LE Connection Update Complete (0x03)
        Status: Success (0x00)
        Handle: 64
        Connection interval: 7.50 msec (0x0006)
        Connection latency: 0 (0x0000)
        Supervision timeout: 5000 msec (0x01f4)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #20 [hci0] 47.317863
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0005-0x0005
        Attribute type: Characteristic (0x2803)
< ACL Data TX: Handle 64 flags 0x00 dlen 9                                                                                                                              #21 [hci0] 47.318471
      ATT: Error Response (0x01) len 4
        Read By Type Request (0x08)
        Handle: 0x0005
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #22 [hci0] 47.333097
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0006-0x0009
        Attribute type: Include (0x2802)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #23 [hci0] 47.333283
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 9                                                                                                                              #24 [hci0] 47.334139
      ATT: Error Response (0x01) len 4
        Read By Type Request (0x08)
        Handle: 0x0006
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #25 [hci0] 47.347889
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0006-0x0009
        Attribute type: Characteristic (0x2803)
< ACL Data TX: Handle 64 flags 0x00 dlen 13                                                                                                                             #26 [hci0] 47.348858
      ATT: Read By Type Response (0x09) len 8
        Attribute data length: 7
        Attribute data list: 1 entry
        Handle: 0x0007
        Value: 200800052a
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #27 [hci0] 47.363138
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0008-0x0009
        Attribute type: Characteristic (0x2803)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #28 [hci0] 47.363287
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 9                                                                                                                              #29 [hci0] 47.365068
      ATT: Error Response (0x01) len 4
        Read By Type Request (0x08)
        Handle: 0x0008
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #30 [hci0] 47.377839
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x0009-0x0009
< ACL Data TX: Handle 64 flags 0x00 dlen 10                                                                                                                             #31 [hci0] 47.378686
      ATT: Find Information Response (0x05) len 5
        Format: UUID-16 (0x01)
        Handle: 0x0009
        UUID: Client Characteristic Configuration (0x2902)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #32 [hci0] 47.393080
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x000a-0x0016
        Attribute type: Include (0x2802)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #33 [hci0] 47.393296
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 9                                                                                                                              #34 [hci0] 47.394123
      ATT: Error Response (0x01) len 4
        Read By Type Request (0x08)
        Handle: 0x000a
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #35 [hci0] 47.407850
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x000a-0x0016
        Attribute type: Characteristic (0x2803)
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #36 [hci0] 47.408736
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 7
        Attribute data list: 3 entries
        Handle: 0x000b
        Value: 020c00292a
        Handle: 0x000f
        Value: 021000252a
        Handle: 0x0013
        Value: 021400262a
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #37 [hci0] 47.423080
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0014-0x0016
        Attribute type: Characteristic (0x2803)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #38 [hci0] 47.423335
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 9                                                                                                                              #39 [hci0] 47.425000
      ATT: Error Response (0x01) len 4
        Read By Type Request (0x08)
        Handle: 0x0014
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #40 [hci0] 47.437839
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x000d-0x000e
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #41 [hci0] 47.438709
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x000d
        UUID: Characteristic User Description (0x2901)
        Handle: 0x000e
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #42 [hci0] 47.452982
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x0011-0x0012
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #43 [hci0] 47.453266
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #44 [hci0] 47.454083
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x0011
        UUID: Characteristic User Description (0x2901)
        Handle: 0x0012
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #45 [hci0] 47.467836
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x0015-0x0016
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #46 [hci0] 47.468736
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x0015
        UUID: Characteristic User Description (0x2901)
        Handle: 0x0016
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #47 [hci0] 47.483066
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0017-0x0044
        Attribute type: Include (0x2802)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #48 [hci0] 47.483268
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 9                                                                                                                              #49 [hci0] 47.483960
      ATT: Error Response (0x01) len 4
        Read By Type Request (0x08)
        Handle: 0x0017
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #50 [hci0] 47.497848
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0017-0x0044
        Attribute type: Characteristic (0x2803)
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #51 [hci0] 47.498787
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x0018
        Value: 021900adf5a22c516197b3004616bebdb283d0
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #52 [hci0] 47.513068
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0019-0x0044
        Attribute type: Characteristic (0x2803)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #53 [hci0] 47.513270
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #54 [hci0] 47.513913
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x001c
        Value: 021d00014fa258fe22d3bf9244d350592c850a
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #55 [hci0] 47.527854
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x001d-0x0044
        Attribute type: Characteristic (0x2803)
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #56 [hci0] 47.528769
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x0020
        Value: 022100291a177b73c83f80be457b7e335051d7
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #57 [hci0] 47.543067
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0021-0x0044
        Attribute type: Characteristic (0x2803)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #58 [hci0] 47.543270
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #59 [hci0] 47.543985
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x0024
        Value: 0225008b036b35b289b18a00416abc63de3177
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #60 [hci0] 47.565566
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0025-0x0044
        Attribute type: Characteristic (0x2803)
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #61 [hci0] 47.566479
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x0028
        Value: 0229007ed517c16e8e9ebf2c4271d84fd333b8
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #62 [hci0] 47.580590
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0029-0x0044
        Attribute type: Characteristic (0x2803)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #63 [hci0] 47.580795
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #64 [hci0] 47.581477
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x002c
        Value: 022d00573a4ce6a7d48da5fd450c8af214439c
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #65 [hci0] 47.595347
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x002d-0x0044
        Attribute type: Characteristic (0x2803)
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #66 [hci0] 47.596245
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x0030
        Value: 023100fea27f3b7372dfb24a4b7975effd0e18
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #67 [hci0] 47.610569
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0031-0x0044
        Attribute type: Characteristic (0x2803)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #68 [hci0] 47.610764
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #69 [hci0] 47.611504
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x0034
        Value: 0235007502f647d3dfba847d4ea401def535d4
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #70 [hci0] 47.625355
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0035-0x0044
        Attribute type: Characteristic (0x2803)
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #71 [hci0] 47.626248
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x0038
        Value: 12390058b8bd9a9b9bd2a6a24d85c9ca163bdf
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #72 [hci0] 47.640574
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0039-0x0044
        Attribute type: Characteristic (0x2803)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #73 [hci0] 47.640762
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #74 [hci0] 47.641624
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x003d
        Value: 023e00080627711617fab1c04e1101aa688139
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #75 [hci0] 47.655387
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x003e-0x0044
        Attribute type: Characteristic (0x2803)
< ACL Data TX: Handle 64 flags 0x00 dlen 27                                                                                                                             #76 [hci0] 47.656356
      ATT: Read By Type Response (0x09) len 22
        Attribute data length: 21
        Attribute data list: 1 entry
        Handle: 0x0041
        Value: 02420089d2b4a67defca9876448802d66b86e5
> ACL Data RX: Handle 64 flags 0x02 dlen 11                                                                                                                             #77 [hci0] 47.670590
      ATT: Read By Type Request (0x08) len 6
        Handle range: 0x0042-0x0044
        Attribute type: Characteristic (0x2803)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #78 [hci0] 47.670784
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 9                                                                                                                              #79 [hci0] 47.671904
      ATT: Error Response (0x01) len 4
        Read By Type Request (0x08)
        Handle: 0x0042
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #80 [hci0] 47.685357
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x001a-0x001b
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #81 [hci0] 47.686974
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x001a
        UUID: Characteristic User Description (0x2901)
        Handle: 0x001b
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #82 [hci0] 47.700489
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x001e-0x001f
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #83 [hci0] 47.700763
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #84 [hci0] 47.701673
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x001e
        UUID: Characteristic User Description (0x2901)
        Handle: 0x001f
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #85 [hci0] 47.715355
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x0022-0x0023
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #86 [hci0] 47.716584
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x0022
        UUID: Characteristic User Description (0x2901)
        Handle: 0x0023
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #87 [hci0] 47.730475
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x0026-0x0027
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #88 [hci0] 47.730756
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #89 [hci0] 47.731467
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x0026
        UUID: Characteristic User Description (0x2901)
        Handle: 0x0027
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #90 [hci0] 47.745346
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x002a-0x002b
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #91 [hci0] 47.746286
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x002a
        UUID: Characteristic User Description (0x2901)
        Handle: 0x002b
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #92 [hci0] 47.767971
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x002e-0x002f
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #93 [hci0] 47.768260
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #94 [hci0] 47.769201
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x002e
        UUID: Characteristic User Description (0x2901)
        Handle: 0x002f
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #95 [hci0] 47.782864
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x0032-0x0033
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #96 [hci0] 47.784549
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x0032
        UUID: Characteristic User Description (0x2901)
        Handle: 0x0033
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                              #97 [hci0] 47.797964
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x0036-0x0037
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                  #98 [hci0] 47.798261
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                             #99 [hci0] 47.798921
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x0036
        UUID: Characteristic User Description (0x2901)
        Handle: 0x0037
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                             #100 [hci0] 47.812843
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x003a-0x003c
< ACL Data TX: Handle 64 flags 0x00 dlen 18                                                                                                                            #101 [hci0] 47.813792
      ATT: Find Information Response (0x05) len 13
        Format: UUID-16 (0x01)
        Handle: 0x003a
        UUID: Client Characteristic Configuration (0x2902)
        Handle: 0x003b
        UUID: Characteristic User Description (0x2901)
        Handle: 0x003c
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                             #102 [hci0] 47.827969
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x003f-0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                 #103 [hci0] 47.828258
        Num handles: 1
        Handle: 64
        Count: 2
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                            #104 [hci0] 47.828741
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x003f
        UUID: Characteristic User Description (0x2901)
        Handle: 0x0040
        UUID: Characteristic Format (0x2904)
> ACL Data RX: Handle 64 flags 0x02 dlen 9                                                                                                                             #105 [hci0] 47.842867
      ATT: Find Information Request (0x04) len 4
        Handle range: 0x0043-0x0044
< ACL Data TX: Handle 64 flags 0x00 dlen 14                                                                                                                            #106 [hci0] 47.843532
      ATT: Find Information Response (0x05) len 9
        Format: UUID-16 (0x01)
        Handle: 0x0043
        UUID: Characteristic User Description (0x2901)
        Handle: 0x0044
        UUID: Characteristic Format (0x2904)
> HCI Event: Number of Completed Packets (0x13) plen 5                                                                                                                 #107 [hci0] 47.865822
        Num handles: 1
        Handle: 64
        Count: 2
> HCI Event: LE Meta Event (0x3e) plen 10                                                                                                                              #108 [hci0] 47.985762
      LE Connection Update Complete (0x03)
        Status: Success (0x00)
        Handle: 64
        Connection interval: 45.00 msec (0x0024)
        Connection latency: 0 (0x0000)
        Supervision timeout: 5000 msec (0x01f4)
< HCI Command: Disconnect (0x01|0x0006) plen 3                                                                                                                         #109 [hci0] 50.516358
        Handle: 64
        Reason: Remote User Terminated Connection (0x13)
> HCI Event: Command Status (0x0f) plen 4                                                                                                                              #110 [hci0] 50.516711
      Disconnect (0x01|0x0006) ncmd 1
        Status: Success (0x00)
> HCI Event: Disconnect Complete (0x05) plen 4                                                                                                                         #111 [hci0] 50.641241
        Status: Success (0x00)
        Handle: 64
        Reason: Connection Terminated By Local Host (0x16)
@ MGMT Event: Device Disconnected (0x000c) plen 8                                                                                                                  {0x0001} [hci0] 50.641289
        LE Address: 48:A5:28:E6:17:D1 (Resolvable)
        Reason: Connection terminated by local host (0x02)
< HCI Command: LE Set Advertise Enable (0x08|0x000a) plen 1                                                                                                            #112 [hci0] 50.672496
        Advertising: Enabled (0x01)
> HCI Event: Command Complete (0x0e) plen 4                                                                                                                            #113 [hci0] 50.672930
      LE Set Advertise Enable (0x08|0x000a) ncmd 1
        Status: Success (0x00)
@josiaheakle
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I am dealing with the same issue. The connection stays open for maybe 30 seconds, but will end even if a service is being used.

@rzr
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rzr commented Jun 30, 2023

May I suggest to try @abandonware fork and report at:
Relate-to: abandonware#17

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