> "What is too heavyweight is a VM image of a conventional operating system distribution with all of the baggage that it brings."

Indeed. I didn't realise that Docker/Container folks had ever said VMs were too heavyweight. Is this linked anywhere?

> "Would these fine-grained unikernels also run well on KVM, VMware ESXi, Hyper-V, or bhyve (FreeBSD's new VMM)?"

We've been asked this before and for KVM at least, it just boils down to someone suitably motivated to write the boot and VirtIO code [1, 2]. If anyone's interested in this, we'd love to hear about it [3]!

[1] http://lists.xenproject.org/archives/html/mirageos-devel/201...

[2] http://lists.xenproject.org/archives/html/mirageos-devel/201...

[3] http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageo...