Hi
I had a working installation with HA in a proxmox VM, a SMLIGHT SLZB-07Mg24 as zigbee dongle. Everything worked fine.
Today, I updated HA Core and OS but after some time, zigbee2mqtt stoped working.
I tried to reboot but now I have this message on the log :
[17:56:06] INFO: Preparing to start…
[17:56:06] INFO: Socat not enabled
[17:56:06] INFO: Starting Zigbee2MQTT…
Starting Zigbee2MQTT without watchdog.
[2025-10-07 17:56:07] info: z2m: Logging to console, file (filename: log.log)
[2025-10-07 17:56:07] info: z2m: Starting Zigbee2MQTT version 2.6.2 (commit #unknown)
[2025-10-07 17:56:07] info: z2m: Starting zigbee-herdsman (6.1.5)
[2025-10-07 17:56:07] info: zh:ember: Using default stack config.
[2025-10-07 17:56:07] info: zh:ember: ======== Ember Adapter Starting ========
[2025-10-07 17:56:07] info: zh:ember:ezsp: ======== EZSP starting ========
[2025-10-07 17:56:07] info: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2025-10-07 17:56:07] info: zh:ember:uart:ash: RTS/CTS config is off, enabling software flow control.
[2025-10-07 17:56:07] info: zh:ember:uart:ash: Serial port opened
[2025-10-07 17:56:07] info: zh:ember:uart:ash: ======== ASH starting ========
[2025-10-07 17:56:12] info: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2025-10-07 17:56:12] info: zh:ember:uart:ash: ======== ASH starting ========
[2025-10-07 17:56:17] info: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2025-10-07 17:56:17] info: zh:ember:uart:ash: ======== ASH starting ========
[2025-10-07 17:56:22] info: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2025-10-07 17:56:22] info: zh:ember:uart:ash: ======== ASH starting ========
[2025-10-07 17:56:27] info: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2025-10-07 17:56:27] info: zh:ember:uart:ash: ======== ASH starting ========
[2025-10-07 17:56:32] error: z2m: Error while starting zigbee-herdsman
[2025-10-07 17:56:32] error: z2m: Failed to start zigbee-herdsman
[2025-10-07 17:56:32] error: z2m: Check for possible solutions
[2025-10-07 17:56:32] error: z2m: Exiting…
[2025-10-07 17:56:32] error: z2m: Error: Failed to start EZSP layer with status=HOST_FATAL_ERROR.
at EmberAdapter.initEzsp (/app/node_modules/.pnpm/[email protected]/node_modules/zigbee-herdsman/src/adapter/ember/adapter/emberAdapter.ts:665:19)
at EmberAdapter.start (/app/node_modules/.pnpm/[email protected]/node_modules/zigbee-herdsman/src/adapter/ember/adapter/emberAdapter.ts:1547:24)
at Controller.start (/app/node_modules/.pnpm/[email protected]/node_modules/zigbee-herdsman/src/controller/controller.ts:133:29
at Zigbee.start (/app/lib/zigbee.ts:67:27)
at Controller.start (/app/lib/controller.ts:101:13)
at start (/app/index.js:149:5)
Here my configuration for zigbee2mqtt :
version: 4
mqtt:
base_topic: zigbee2mqtt
server: mqtt://core-mosquitto:1883
user: addons
password: ...
serial:
port: >-
/dev/serial/by-id/usb-SMLIGHT_SMLIGHT_SLZB-07Mg24_0240776f3cceed11a766a32ecda106c3-if00-port0
adapter: ember
baudrate: 115200
rtscts: false
advanced:
log_level: info
channel: 11
network_key:
- 250
- 1
- 116
- 254
- 244
- 26
- 109
- 45
- 82
- 223
- 96
- 29
- 156
- 171
- 89
- 86
pan_id: 4076
ext_pan_id:
- 179
- 145
- 9
- 67
- 104
- 220
- 134
- 195
frontend:
enabled: true
port: 8099
homeassistant:
enabled: true
devices:
'0xd44867fffe2a0fbd':
friendly_name: Salon
temperature_precision: 2
humidity_precision: 1
'0xd44867fffe1ead09':
friendly_name: Chambre1
temperature_precision: 2
'0xa4c138b25201c184':
friendly_name: Prise serveur
'0x680ae2fffe607107':
friendly_name: Lampe dressing
'0xf4b3b1fffe5197c6':
friendly_name: Chambre2
temperature_precision: 2
'0xf4b3b1fffe49446f':
friendly_name: Chambre3
temperature_precision: 2
'0xf4b3b1fffe517c7f':
friendly_name: Chambre4
I updated my zigbee dongle today so it seems to works.
Do you have an idea where this problem could come from ?
Thanks for your help.