Hot Plugging a vCPU causes the Guest system time to jump forward with error "smpboot: do_boot_cpu failed(-1) to wakeup CPU"
Issue
- CPU hot plug on a KVM Guest with long uptime cause:
- time de-synchronization
- error
smpboot: do_boot_cpu failed(-1) to wakeup CPUin the logs
Environment
- Red Hat Enterprise Linux 7, 8
- Red Hat Virtualization 4.x
- KVM
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