A Segmentation fault when using Bluetooth

[RoRi3D]

Describe the bug

I'm trying the bluetooth connection with my JK BMS but it is giving a "Segmentation fault"
See screendump below
This reported data is repeating itself continuously (roughly every 18 sec).

Data only visible when running:
tail -F -n 100 /data/log/dbus-blebattery.*/current | tai64nlocal

The issue seems to be:
./ run: line 12: 3631 Segmentation fault python /opt/victronenergy/dbus-serialbattery/dbus-serialbattery.py Jkbms_Ble C8:XXXXX
(I have replaced the MacAdress by XXX)

After this the bluetooth seems to restart (incl. pairing)

How to reproduce

running:
tail -F -n 100 /data/log/dbus-blebattery.*/current | tai64nlocal

Expected behavior

I was not expecting a "Segmentation fault"

Driver version of the currently installed driver

v1.5.20241215

Driver version of the last known working driver

No response

Venus OS device type

GX Card (integrated in Victron device)

Venus OS version

V3.51

BMS type

JKBMS Inverter (JKBMS PB Model)

Cell count

16

Battery count

1

Connection type

Bluetooth

Config file

[DEFAULT]

; If you want to add custom values/settings, then check the values/settings you want to change in "config.default.ini"
; and insert them below to persist future driver updates.

; Example (remove the semicolon ";" to uncomment and activate the value/setting):
; MAX_BATTERY_CHARGE_CURRENT = 50.0
; MAX_BATTERY_DISCHARGE_CURRENT = 60.0
BLUETOOTH_BMS = Jkbms_Ble C8:xxxxx

Relevant log output

Note: Serial number & Mac Address partly replaced by XXXXX manual

@40000000676d6cc62f2d1854 [^A^[[0;93m^BCHG^A^[[0m^B] Controller 68:XXXXXX Discovering: no
@40000000676d6cc62f2d2024 [^A^[[0;93m^BCHG^A^[[0m^B] Device C8:XXXXX ServicesResolved: no
@40000000676d6cc62f2d2bdc Successful disconnected
@40000000676d6ccb33b57aec Device C8:XXXXX (public)
@40000000676d6ccb33b5a5e4       Alias: JK_BD6A17S6P
@40000000676d6ccb33b5adb4       Paired: no
@40000000676d6ccb33b5b19c       Trusted: no
@40000000676d6ccb33b5b96c       Blocked: no
@40000000676d6ccb33b5bd54       Connected: no
@40000000676d6ccb33b5c13c       LegacyPairing: no
@40000000676d6ccb33b5c524       UUID: Device Information        (0000180a-0000-1000-8000-00805f9b34fb)
@40000000676d6ccb33b5d0dc       RSSI: -84
@40000000676d6ccb33c11f64
@40000000676d6cce2192a09c INFO:SerialBattery:
@40000000676d6cce219c5114 INFO:SerialBattery:Starting dbus-serialbattery
@40000000676d6cce21c31eac INFO:SerialBattery:Venus OS v3.51 running on MultiPlus-II^@
@40000000676d6cce21cd6f4c INFO:SerialBattery:dbus-serialbattery v1.5.20241215
@40000000676d6cce33a6f044 INFO:SerialBattery:Init of Jkbms_Ble at C8:XXXXX
@40000000676d6cce33b0a4a4 INFO:SerialBattery:Test of Jkbms_Ble at C8:XXXXX
@40000000676d6cd3167726ec INFO:SerialBattery:BAT: JKBMS 11.XA 16S (20241116)
@40000000676d6cd3168bcc14 INFO:SerialBattery:-- Connection established to Jkbms_Ble
@40000000676d6cd32a16aa74 INFO:SerialBattery:Reconnected to previously identified battery with DeviceInstance: 1
@40000000676d6cd334de4764 INFO:SerialBattery:Use DeviceInstance: 1
@40000000676d6cd334f6190c INFO:SerialBattery:Use dbus ServiceName: com.victronenergy.battery.ble_c8478010625c
@40000000676d6cd337061134 INFO:SerialBattery:Battery JKBMS BLE connected to dbus from ble_c8478010625c
@40000000676d6cd3378514d4 INFO:SerialBattery:========== Settings ==========
@40000000676d6cd33794f73c INFO:SerialBattery:> Connection voltage: 52.46 V | Current: 0.0 A | SoC: 76%
@40000000676d6cd337a1999c INFO:SerialBattery:> Cell count: 16 | Cells populated: 16
@40000000676d6cd337af64dc INFO:SerialBattery:> LINEAR LIMITATION ENABLE: True
@40000000676d6cd337c53e9c INFO:SerialBattery:> MIN CELL VOLTAGE: 2.900 V | MAX CELL VOLTAGE: 3.450 V| FLOAT CELL VOLTAGE: 3.375 V
@40000000676d6cd337d8f194 INFO:SerialBattery:> MAX BATTERY CHARGE CURRENT: 50.0 A | MAX BATTERY DISCHARGE CURRENT: 60.0 A
@40000000676d6cd337ed600c INFO:SerialBattery:> MAX BATTERY CHARGE CURRENT: 50.0 A | MAX BATTERY DISCHARGE CURRENT: 50.0 A (read from BMS)
@40000000676d6cd338001904 INFO:SerialBattery:> CVCM:     True
@40000000676d6cd338110cdc INFO:SerialBattery:> CCCM CV:  True  | DCCM CV:  True
@40000000676d6cd338317d8c INFO:SerialBattery:> CCCM T:   True  | DCCM T:   True
@40000000676d6cd33852b18c INFO:SerialBattery:> CCCM SOC: False | DCCM SOC: False
@40000000676d6cd3385fa9dc INFO:SerialBattery:> CHARGE FET: True | DISCHARGE FET: True | BALANCE FET: True
@40000000676d6cd3387f1ca4 INFO:SerialBattery:Serial Number/Unique Identifier: 401093XXXX
@40000000676d6cd514afd084 ./run: line 12:  8935 Segmentation fault      python /opt/victronenergy/dbus-serialbattery/dbus-serialbattery.py Jkbms_Ble C8:XXXXXX
@40000000676d6cd51d122d44
@40000000676d6cd51d15751c
@40000000676d6cd51d157cec INFO:Preparing Bluetooth for connection to BMS
@40000000676d6cd51d17edec INFO:Bluetooth details
@40000000676d6cd51ffb6a84 [^A^[[0;93m^BCHG^A^[[0m^B] Device C8:XXXXX RSSI: -84
@40000000676d6cd51ffb9964 [^A^[[0;93m^BCHG^A^[[0m^B] Device C8:XXXXX RSSI: -84

Any other information that may be helpful

No response

[mr-manuel]

See #86

[RoRi3D]

Thank you !
The older version indeed seems (more) stable, for the last few minutes at least.