Tm Host Vm Is Not Suitable For Using Tsc Mode 39-realtscoffset 39- Request To Change Tsc Mode Ignored -

: The "TM" (Time Manager) within the virtualization software attempted to use a specific hardware-assisted timing mode called RealTscOffset

This error message typically appears in logs when the hypervisor determines the current hardware or configuration cannot support specific Time Stamp Counter (TSC) modes like RealTscOffset . While this is often just a logged notification, it can be associated with VM hangs or crashes during boot. Potential Causes : The "TM" (Time Manager) within the virtualization

Timing errors are often caused by power-saving states that "throttle" the CPU. If this is a nested VM (VM inside

If this is a nested VM (VM inside a VM), the L1 hypervisor may not expose the required TSC features. : The "TM" (Time Manager) within the virtualization

This avoids the error entirely because the VM no longer tries to use TSC modes.

: Ensure your VirtualBox Extension Pack version matches your installed VirtualBox version.