2024-01-11 20:30:37.243 2 ERROR oslo_service.service [None req-2ee165a9-3ed1-474c-afe3-586a72fc78a5 - - - - - -] Error starting thread.: nova.exception.FileNotFound: File /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor could not be found.
2024-01-11 20:30:37.243 2 ERROR oslo_service.service Traceback (most recent call last):
2024-01-11 20:30:37.243 2 ERROR oslo_service.service   File "/usr/lib/python3.9/site-packages/nova/filesystem.py", line 37, in read_sys
2024-01-11 20:30:37.243 2 ERROR oslo_service.service     with open(os.path.join(SYS, path), mode='r') as data:
2024-01-11 20:30:37.243 2 ERROR oslo_service.service FileNotFoundError: [Errno 2] No such file or directory: '/sys/devices/system/cpu/cpu8/cpufreq/scaling_governor'
2024-01-11 20:30:37.243 2 ERROR oslo_service.service 
2024-01-11 20:30:37.243 2 ERROR oslo_service.service The above exception was the direct cause of the following exception:
2024-01-11 20:30:37.243 2 ERROR oslo_service.service 
2024-01-11 20:30:37.243 2 ERROR oslo_service.service Traceback (most recent call last):
2024-01-11 20:30:37.243 2 ERROR oslo_service.service   File "/usr/lib/python3.9/site-packages/oslo_service/service.py", line 806, in run_service
2024-01-11 20:30:37.243 2 ERROR oslo_service.service     service.start()
2024-01-11 20:30:37.243 2 ERROR oslo_service.service   File "/usr/lib/python3.9/site-packages/nova/service.py", line 162, in start
2024-01-11 20:30:37.243 2 ERROR oslo_service.service     self.manager.init_host(self.service_ref)
2024-01-11 20:30:37.243 2 ERROR oslo_service.service   File "/usr/lib/python3.9/site-packages/nova/compute/manager.py", line 1608, in init_host
2024-01-11 20:30:37.243 2 ERROR oslo_service.service     self.driver.init_host(host=self.host)
2024-01-11 20:30:37.243 2 ERROR oslo_service.service   File "/usr/lib/python3.9/site-packages/nova/virt/libvirt/driver.py", line 825, in init_host
2024-01-11 20:30:37.243 2 ERROR oslo_service.service     libvirt_cpu.validate_all_dedicated_cpus()
2024-01-11 20:30:37.243 2 ERROR oslo_service.service   File "/usr/lib/python3.9/site-packages/nova/virt/libvirt/cpu/api.py", line 141, in validate_all_dedicated_cpus
2024-01-11 20:30:37.243 2 ERROR oslo_service.service     governors.add(pcpu.governor)
2024-01-11 20:30:37.243 2 ERROR oslo_service.service   File "/usr/lib/python3.9/site-packages/nova/virt/libvirt/cpu/api.py", line 63, in governor
2024-01-11 20:30:37.243 2 ERROR oslo_service.service     return core.get_governor(self.ident)
2024-01-11 20:30:37.243 2 ERROR oslo_service.service   File "/usr/lib/python3.9/site-packages/nova/virt/libvirt/cpu/core.py", line 69, in get_governor
2024-01-11 20:30:37.243 2 ERROR oslo_service.service     return filesystem.read_sys(
2024-01-11 20:30:37.243 2 ERROR oslo_service.service   File "/usr/lib/python3.9/site-packages/nova/filesystem.py", line 40, in read_sys
2024-01-11 20:30:37.243 2 ERROR oslo_service.service     raise exception.FileNotFound(file_path=path) from exc
2024-01-11 20:30:37.243 2 ERROR oslo_service.service nova.exception.FileNotFound: File /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor could not be found.