Yes! I found it.
The errors were triggered from 2 old Debian 6 containers, running webmin !
When "Collect system status in background" is enabled (by default) then webmin calls vmstat each 5 minutes.
And - I have no idea why - on two containers vmstat triggers a SIGFPE, using strace that...
I'm using /usr/bin/vmstat from procps 2:3.3.15-2 amd64
- running "vmstat 1" from a shell: no errors over more than 30 minutes
- cronjobs / monitoring: no matches for the timing pattern
Im using Proxmox VE 6.1-7 on Debian 10, all updates installed.
My /var/log/kern.log is full of trap divide errors, thrown every 5 minutes:
Feb 17 22:12:42 pmx kernel: [412584.239291] traps: vmstat[8166] trap divide error ip:401c8c sp:7ffdeff9b140 error:0 in vmstat[400000+5000]
Feb 17 22:17:34...
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