CentOS 8 Ussuri can't launch instance /usr/libexec/qemu-kvm: Permission denied
Oliver Weinmann
oliver.weinmann at me.com
Mon Oct 19 12:59:42 UTC 2020
Hi all,
I have successfully deployed the overcloud many many times, but this time I have a strange behaviour. Whenever I try to launch an instance it fails. I checked the logs on the compute node and saw this error:
Failed to build and run instance: libvirt.libvirtError: internal error: process exited while connecting to monitor: libvirt: error : cannot execute binary /usr/libexec/qemu-kvm: Permission denied
googling led me to the solution to disable selinux:
setenforce 0
I have not made this change persistent yet, as I would like to know why I'm facing this issue right now. What is actually the default for the overcloud nodes SeLinux? Enforcing, permissive or disabled? I build the ipa and overcloud image myself as I had to include drivers. Is this maybe the reason why SeLinux is now enabled, but is actually disabled when using the default ipa images?
Thanks and Best Regards,
Oliver
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