I have FreeBSD 8.4, 9.3 and 10 guests VM running under KVM (on amd64 host).
They work great with virtio disk and network.

Now I'm trying to take it to the next level:
Instead of using the bootloader inside the VM, I want to specify the kernel directly 
using qemu's "-kernel" option.

Generally, the usage is supposed to be this:
    kvm  -drive file=freebsd.qcow2,media=disk,if=virtio,index=0 \
         -kernel ./kernel

Where "./kernel is the FreeBSD kernel ELF file (stored as a file on the host 
Using the generic "/boot/kernel/kernel" kernel does not work (VM doesn't boot 
at all).

I assume that more options are needed (e.g. "-initrd" and "-append"), and 
perhaps also a kernel with different options.

Does anyone have an idea of how to achieve this ?
Is rebuilding a kernel image from source with special options needed ?

Any help will be appreciated,
 - Assaf
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