So I figured out the problem..   For those of you using a linux setup with virt-manager and KVM, there is a small adjustment you have to make in order for the VM to boot after creation/installation. When you create the VM or after, you have to adjust the configuration of the machine. There is an icon for viewing the "details" of the created VM. Under details there is a settings item for the hard disk. Under this hard disk settings there is an "advanced options." The disk bus should be "virtio" and the Storage format should be "qcow2"...apparently the default is "raw" so you have to be explilcit that it is qcow2.   Good luck,     ... View more

I run a Mint 17 linux system that is similar and derivative of Ubuntu, so I assume it is relevant for this post. I installed all the libvirt prerequisites and also the virt-manager package.   I created the VM for the   cloudera-quickstart-vm-5.4.2-0-kvm.qcow2   image using the icon driven process. I used the choice "import existing disk image" and assigned the memory and CPU count..etc. It all seemed to work fine until I tried to run the VM. The virt-manager showed the  boot sequence for the new VM but alas the system did not find a boutable disk.   *************************** Booting from Hard Disk.. Boot failed: not a bootable disk   No bootable device. *******************************   is there something I am missing?   any advice wyould be greatly appreciated, ... View more