This issue was due to permission issue of the folder /opt/stack/data/nova/instances/locks.It was owned by 'root' user when I faced this issue.
I changed the owner of that folder and currently issue is not seen. I'm able to spin the instance on KVM without any issue.
Hi,
This issue was due to permission issue of the folder /opt/stack/ data/nova/ instances/ locks.It was owned by 'root' user when I faced this issue.
I changed the owner of that folder and currently issue is not seen. I'm able to spin the instance on KVM without any issue.
Hence closing this bug.