Hi folks,
I think this is the right category, mods please move if not.
I’m new to HA the last few months. I’m running it on a Raspberry pi 5 with an SD card. Its crashed a couple of times lately and i was able restore with no major issues. From reading up on it, it was pointing towards the SD card. I ordered an NVME and enclosure. In the meantime it crashed again and I was unable restore. NVME arrived and I was able to flash HA onto and restore from the latest backup.
However this time around my ESP devices are offline and the Zigbee2MQTT add will not start. Does anyone have any pointers?
Alternatively, I could restore again from the last backup i know worked.
Thanks
Look at your logs, at least Z2M is pretty good at pointing to what the reason for it not starting is.
Below is showing as an error
Error: Failed to start EZSP layer with status=HOST_FATAL_ERROR
Please show the full log, not just a single line. The zigbee2mqtt/configuration.yaml would be helpful too.
[2026-01-13 20:13:17] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-13 20:13:17] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-13 20:13:22] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-13 20:13:22] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-13 20:13:27] e[31merrore[39m: z2m: Error while starting zigbee-herdsman
[2026-01-13 20:13:27] e[31merrore[39m: z2m: Failed to start zigbee-herdsman
[2026-01-13 20:13:27] [31merror[39m: z2m: Check https://url.uk.m.mimecastprotect.com/s/ifZ_CQnZycrAOWLcxfVHGy0w6?domain=zigbee2mqtt.io for possible solutions
[2026-01-13 20:13:27] e[31merrore[39m: z2m: Exiting...
[2026-01-13 20:13:27] e[31merrore[39m: 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:666:19)
at EmberAdapter.start (/app/node_modules/.pnpm/[email protected] /node_modules/zigbee-herdsman/src/adapter/ember/adapter/emberAdapter.ts:1538:24)
at Controller.start (/app/node_modules/.pnpm/[email protected] /node_modules/zigbee-herdsman/src/controller/controller.ts:143:29)
at Zigbee.start (/app/lib/zigbee.ts:70:27)
at Controller.start (/app/lib/controller.ts:101:13)
at start (/app/index.js:149:5)
[21:36:00] INFO: e[32mPreparing to start...e[0m
[21:36:00] INFO: e[32mSocat enablede[0m
[21:36:00] INFO: e[32mStarting socate[0m
e[34mSocat startup parameters:e[0m
e[34mOptions: -d -de[0m
e[34mMaster: pty,raw,echo=0,link=/tmp/ttyZ2M,mode=777e[0m
e[34mSlave: tcp:192.168.2.118:6638e[0m
[21:36:00] INFO: e[32mStarting socat process ...e[0m
2026/01/13 21:36:00 socat[46] N PTY is /dev/pts/0
2026/01/13 21:36:00 socat[46] N opening connection to https://url.uk.m.mimecastprotect.com/s/H6x-CRO2zhBmELXcNhKH1gVYQ?domain=192.168.2.118
2026/01/13 21:36:00 socat[46] N opening connection to AF=2 https://url.uk.m.mimecastprotect.com/s/H6x-CRO2zhBmELXcNhKH1gVYQ?domain=192.168.2.118
[21:36:01] INFO: e[32mStarting Zigbee2MQTT...e[0m
Starting Zigbee2MQTT without watchdog.
[2026-01-13 21:36:02] e[32minfoe[39m: z2m: Logging to console, file (filename: log.log)
[2026-01-13 21:36:02] e[32minfoe[39m: z2m: Starting Zigbee2MQTT version 2.7.2 (commit #unknown)
[2026-01-13 21:36:02] e[32minfoe[39m: z2m: Starting zigbee-herdsman (8.0.1)
[2026-01-13 21:36:02] e[32minfoe[39m: zh:ember: Using default stack config.
[2026-01-13 21:36:02] e[32minfoe[39m: zh:ember: ======== Ember Adapter Starting ========
[2026-01-13 21:36:02] e[32minfoe[39m: zh:ember:ezsp: ======== EZSP starting ========
[2026-01-13 21:36:02] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-13 21:36:02] e[32minfoe[39m: zh:ember:uart:ash: RTS/CTS config is off, enabling software flow control.
[2026-01-13 21:36:02] e[32minfoe[39m: zh:ember:uart:ash: Serial port opened
[2026-01-13 21:36:02] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-13 21:36:07] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-13 21:36:07] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-13 21:36:12] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-13 21:36:12] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-13 21:36:17] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-13 21:36:17] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-13 21:36:22] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-13 21:36:22] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-13 21:36:27] e[31merrore[39m: z2m: Error while starting zigbee-herdsman
[2026-01-13 21:36:27] e[31merrore[39m: z2m: Failed to start zigbee-herdsman
[2026-01-13 21:36:27] [31merror[39m: z2m: Check https://url.uk.m.mimecastprotect.com/s/ifZ_CQnZycrAOWLcxfVHGy0w6?domain=zigbee2mqtt.io for possible solutions
[2026-01-13 21:36:27] e[31merrore[39m: z2m: Exiting...
[2026-01-13 21:36:27] e[31merrore[39m: 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:666:19)
at EmberAdapter.start (/app/node_modules/.pnpm/[email protected] /node_modules/zigbee-herdsman/src/adapter/ember/adapter/emberAdapter.ts:1538:24)
at Controller.start (/app/node_modules/.pnpm/[email protected] /node_modules/zigbee-herdsman/src/controller/controller.ts:143:29)
at Zigbee.start (/app/lib/zigbee.ts:70:27)
at Controller.start (/app/lib/controller.ts:101:13)
at start (/app/index.js:149:5)
[06:20:05] INFO: e[32mPreparing to start...e[0m
[06:20:05] INFO: e[32mSocat enablede[0m
[06:20:05] INFO: e[32mStarting socate[0m
e[34mSocat startup parameters:e[0m
e[34mOptions: -d -de[0m
e[34mMaster: pty,raw,echo=0,link=/tmp/ttyZ2M,mode=777e[0m
e[34mSlave: tcp:192.168.2.118:6638e[0m
[06:20:05] INFO: e[32mStarting socat process ...e[0m
2026/01/14 06:20:05 socat[46] N PTY is /dev/pts/0
2026/01/14 06:20:05 socat[46] N opening connection to https://url.uk.m.mimecastprotect.com/s/H6x-CRO2zhBmELXcNhKH1gVYQ?domain=192.168.2.118
2026/01/14 06:20:05 socat[46] N opening connection to AF=2 https://url.uk.m.mimecastprotect.com/s/H6x-CRO2zhBmELXcNhKH1gVYQ?domain=192.168.2.118
[06:20:05] INFO: e[32mStarting Zigbee2MQTT...e[0m
Starting Zigbee2MQTT without watchdog.
[2026-01-14 06:20:06] e[32minfoe[39m: z2m: Logging to console, file (filename: log.log)
[2026-01-14 06:20:07] e[32minfoe[39m: z2m: Starting Zigbee2MQTT version 2.7.2 (commit #unknown)
[2026-01-14 06:20:07] e[32minfoe[39m: z2m: Starting zigbee-herdsman (8.0.1)
[2026-01-14 06:20:07] e[32minfoe[39m: zh:ember: Using default stack config.
[2026-01-14 06:20:07] e[32minfoe[39m: zh:ember: ======== Ember Adapter Starting ========
[2026-01-14 06:20:07] e[32minfoe[39m: zh:ember:ezsp: ======== EZSP starting ========
[2026-01-14 06:20:07] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-14 06:20:07] e[32minfoe[39m: zh:ember:uart:ash: RTS/CTS config is off, enabling software flow control.
[2026-01-14 06:20:07] e[32minfoe[39m: zh:ember:uart:ash: Serial port opened
[2026-01-14 06:20:07] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-14 06:20:12] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-14 06:20:12] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-14 06:20:17] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-14 06:20:17] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-14 06:20:22] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-14 06:20:22] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-14 06:20:27] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH Adapter reset ========
[2026-01-14 06:20:27] e[32minfoe[39m: zh:ember:uart:ash: ======== ASH starting ========
[2026-01-14 06:20:32] e[31merrore[39m: z2m: Error while starting zigbee-herdsman
[2026-01-14 06:20:32] e[31merrore[39m: z2m: Failed to start zigbee-herdsman
[2026-01-14 06:20:32] [31merror[39m: z2m: Check https://url.uk.m.mimecastprotect.com/s/ifZ_CQnZycrAOWLcxfVHGy0w6?domain=zigbee2mqtt.io for possible solutions
[2026-01-14 06:20:32] e[31merrore[39m: z2m: Exiting...
[2026-01-14 06:20:32] e[31merrore[39m: 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:666:19)
at EmberAdapter.start (/app/node_modules/.pnpm/[email protected] /node_modules/zigbee-herdsman/src/adapter/ember/adapter/emberAdapter.ts:1538:24)
at Controller.start (/app/node_modules/.pnpm/[email protected] /node_modules/zigbee-herdsman/src/controller/controller.ts:143:29)
at Zigbee.start (/app/lib/zigbee.ts:70:27)
at Controller.start (/app/lib/controller.ts:101:13)
at start (/app/index.js:149:5)``````
Hi, above is the last 100 lines from the log. i will post the config file later when I get home
Your log looks really weird. Curious as to how your config looks like.
I’ll get the config up later
Buffy
January 25, 2026, 8:33pm
9
I have the same problem, except I use an SMLIGHT SLZB-06M.
EDIT: Never mind. I reflashed the Zigbee firmware in my SLZB-06M and it worked again.
I ended up abandoning Z2M and went with ZHA. In hindsight it may have been an issue with VLAN. I had the zigbee dongle on a different VLAN than HA.