Getting this output on your RHEL/CentOS virtual machine?
Clocksource tsc unstable (delta = 000000000 ns). Enable clocksource failover by
adding clocksource_failover kernel parameter.
First find out the available clock sources :
cat /sys/devices/system/clocksource/clocksource0/available_clocksource
You will likely get the following results :
kvm-clock tsc acpi_pm
You are currently using “tsc” as per the initial output error, try using “acpi_pm” first, if you are under a KVM environment, you can try out “kvm-clock”.
Edit Grub configuration :
/boot/grub/grub.conf
And append this to the kernel parameters :
clocksource_failover=acpi_pm