Bug ID 1596777: Seeing error logs in messages file for offline vcpus when lower end license is installed

Last Modified: Jul 15, 2026

Affected Product(s):
F5OS Velos(all modules)

Fixed In:
F5OS v2.0.0

Opened: Jun 16, 2024

Severity: 3-Major

Symptoms

You see a flood of logs in /var/log/messages: appliance-1.chassis.local k3s: W0616 12:57:50.066828 35509 sysinfo.go:394] Cannot read core id for /sys/devices/system/node/node0/cpu18, core_id file does not exist, err: open /sys/devices/system/node/node0/cpu18/topology/core_id: no such file or directory

Impact

Log flood of error logs for offline vcpus in /var/log/messages file

Conditions

This occurs after applying a r10600 license that activates a different number of CPUs than the system has.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips