[Azure Iot Edge]Starting aziot-edged.mgmt.socket...Job for aziot-edged.mgmt.socket failed.

Question

Azure IoT Edge daemon can not start on my device.

My device enviroment:
OS: ubuntu 18.04
iotedge 1.2.0
Docker version 20.10.6+azure, build 370c28948e3c12dce3d1df60b6f184990618553f

I met below error when start Azure IoT Edge daemon:

Restarting service for configuration to take effect...
Stopping aziot-edged.service...Stopped!
Stopping aziot-identityd.service...Stopped!
Stopping aziot-keyd.service...Stopped!
Stopping aziot-certd.service...Stopped!
Stopping aziot-tpmd.service...Stopped!
systemctl exited with non-zero status code.
stdout:
=======
stderr:
=======
Starting aziot-edged.mgmt.socket...**Job for aziot-edged.mgmt.socket failed.**
See "systemctl status aziot-edged.mgmt.socket" and "journalctl -xe" for details.

Starting aziot-edged.workload.socket...Started!
Starting aziot-identityd.socket...Started!
Starting aziot-keyd.socket...Started!
Starting aziot-certd.socket...Started!
Starting aziot-tpmd.socket...Started!
systemctl exited with non-zero status code.
stdout:
=======
stderr:
=======
Starting aziot-edged.service...**A dependency job for aziot-edged.service failed.** See 'journalctl -xe' for details.

Command result of "systemctl status aziot-edged.mgmt.socket" :

● aziot-edged.mgmt.socket - Azure IoT Edge daemon management socket
   Loaded: loaded (/lib/systemd/system/aziot-edged.mgmt.socket; enabled; vendor preset: enabled)
   **Active: failed (Result: resources)**
     Docs: man:aziot-edged(8)
   Listen: /var/run/iotedge/mgmt.sock (Stream)

Apr 22 10:51:19 qcs610-odk-64 systemd[1]: aziot-edged.mgmt.socket: Failed to listen on sockets: Address already in use
Apr 22 10:51:19 qcs610-odk-64 systemd[1]: aziot-edged.mgmt.socket: Failed with result 'resources'.
Apr 22 10:51:19 qcs610-odk-64 systemd[1]: **Failed to listen on Azure IoT Edge daemon management socket.**
Apr 22 10:51:20 qcs610-odk-64 systemd[1]: aziot-edged.mgmt.socket: Failed to listen on sockets: Address already in use
Apr 22 10:51:20 qcs610-odk-64 systemd[1]: aziot-edged.mgmt.socket: Failed with result 'resources'.
Apr 22 10:51:20 qcs610-odk-64 systemd[1]: **Failed to listen on Azure IoT Edge daemon management socket.**

Command result of "iotedge system log":

-- Reboot --
**Apr 22 10:51:20 qcs610-odk-64 systemd[1]: Dependency failed for Azure IoT Edge daemon.**
**Apr 22 10:51:20 qcs610-odk-64 systemd[1]: aziot-edged.service: Job aziot-edged.service/start failed with result 'dependency'.**
Apr 22 10:58:08 qcs610-odk-64 systemd[1]: Started Azure IoT Certificates Service.
Apr 22 10:58:08 qcs610-odk-64 systemd[1]: Started Azure IoT Keys Service.
Apr 22 10:58:08 qcs610-odk-64 systemd[1]: Started Azure IoT Identity Service.
Apr 22 10:58:09 qcs610-odk-64 aziot-certd[14145]: 2021-04-22T10:58:09Z [INFO] - Starting service...
Apr 22 10:58:09 qcs610-odk-64 aziot-certd[14145]: 2021-04-22T10:58:09Z [INFO] - Version - 1.2.0
Apr 22 10:58:09 qcs610-odk-64 aziot-identityd[14147]: 2021-04-22T10:58:09Z [INFO] - Starting service...
Apr 22 10:58:09 qcs610-odk-64 aziot-identityd[14147]: 2021-04-22T10:58:09Z [INFO] - Version - 1.2.0
Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [INFO] - Starting service...
Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [INFO] - Version - 1.2.0
Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [INFO] - Loaded libaziot-keys with version 0x02000000
Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [INFO] - Starting server...
Apr 22 10:58:09 qcs610-odk-64 aziot-certd[14145]: 2021-04-22T10:58:09Z [INFO] - Starting server...
Apr 22 10:58:09 qcs610-odk-64 aziot-identityd[14147]: 2021-04-22T10:58:09Z [INFO] - Provisioning starting. Reason: Startup
Apr 22 10:58:09 qcs610-odk-64 aziot-identityd[14147]: 2021-04-22T10:58:09Z [INFO] - Provisioning complete.
Apr 22 10:58:09 qcs610-odk-64 aziot-identityd[14147]: 2021-04-22T10:58:09Z [INFO] - Identity reconciliation started. Reason: Startup
Apr 22 10:58:09 qcs610-odk-64 aziot-identityd[14147]: 2021-04-22T10:58:09Z [INFO] - Identity reconciliation complete.
Apr 22 10:58:09 qcs610-odk-64 aziot-identityd[14147]: 2021-04-22T10:58:09Z [INFO] - Starting server...
Apr 22 10:58:09 qcs610-odk-64 aziot-certd[14145]: 2021-04-22T10:58:09Z [INFO] - <-- GET /certificates/aziot-edged-trust-bundle?api-version=2020-09-01 {"host": "certd.sock"}
Apr 22 10:58:09 qcs610-odk-64 aziot-certd[14145]: 2021-04-22T10:58:09Z [INFO] - --> 200 {"content-type": "application/json"}
Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [INFO] - <-- GET /keypair/device-id?api-version=2020-09-01 {"host": "keyd.sock"}
**Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [ERR!] - error:0909006C:PEM routines:get_name:no start line:../crypto/pem/pem_lib.c:745:Expecting: ANY PRIVATE KEY**
**Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [ERR!] - !!! internal error**
**Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [ERR!] - !!! caused by: could not load key pair**
**Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [ERR!] - !!! caused by: could not load key pair: AZIOT_KEYS_RC_ERR_EXTERNAL**
Apr 22 10:58:09 qcs610-odk-64 aziot-keyd[14146]: 2021-04-22T10:58:09Z [INFO] - --> 500 {"content-type": "application/json"}

How can I fix this issue?
Thanks.

Answer 1

Thanks for your feedback.

This issue disappeared after re-install the aziot-edge, edgeHub(container and image) and edgeAgent(container and image).

If I met this issue again, I will report to https://github.com/Azure/iotedge/issues.