Description

Customer may receive alarm on MX10003 after downgrading or rebooting the box.

 

labroot@milky-re0> show chassis alarms

Jan 16 02:59:29

1 alarms currently active

Alarm time        Class Description

2024-01-16 01:41:22 UTC Minor VMHost RE 0 host lclksyncd Application failed

Symptoms

customer observes the alarm as below

 

labroot@milky-re0> show chassis alarms

Jan 16 02:59:29

1 alarms currently active

Alarm time        Class Description

2024-01-16 01:41:22 UTC Minor VMHost RE 0 host lclksyncd Application failed

 

When checking from the virtual host shell you would see that the application is not running.

 

labroot@milky-re0> start shell user root 

root@milky-re0:/var/crash # vhclient -s

Last login: Tue Jan 16 07:11:09 PST 2024 from milky-re0 on pts/1

root@milky-re0-node:~# ps -aux | grep lclksyncd

root   25850 0.0 0.0  6720  828 pts/1  S+  07:42  0:00 grep lclksyncd

 

Solution

On all Junos VMhost based platforms, the lclksyncd process alarms are seen when downgrade from LTS19/ LTS22 image to WRL6 due to change in rpm versions. There is no service impact due to this issue.

We can use the below temp workaround to clear the alarm.

 

root@milky-re0:~ # vhclient -s

Last login: Thu Oct 19 15:28:40 PDT 2023 from milky-re0 on pts/1

root@milky-re0-node:~# lclksyncd

PCI device with id: 155 found! bus17 dev0

PCI device with id: 155 found! bus17 dev0

Spawning [ LCLKSYNCD ]

root@milky-re0-node:~# ps -aux | grep lclksyncd

root   4590 0.1 0.0 271852 4776 ?    Ss  2023 293:04 lclksyncd

root   25850 0.0 0.0  6720  828 pts/1  S+  07:42  0:00 grep lclksyncd

 

PS: This workaround is temporary and a reboot will trigger the alarm again.

Modification History

2024-01-16 : Article Created