Why does Instance reboot fail with 'Failed to terminate process with SIGKILL: Device or resource busy' ?

Solution In Progress - Updated -


  • Instance reboot fails with the following error :
 1e774a3e-746d-4153-83ea-a22443adb95c | grep fault
    | fault                                | {"message": "Failed to terminate process 108082 with SIGKILL: Device or resource busy", "code": 500, "details": "  File     
\", line 290, in decorated_function 
  • The instance qemu-kvm process goes to defunct state & instance remains in error state on dashboard .


  • Red Hat OpenStack 5.0 on RHEL 7

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