[libvirt] hvm/x86_64 combination not allowed

[Steve Brown]

>> libvirt expects the QEMU binaries in /usr/bin. e.g. it explicitly
>> checks for /usr/bin/qemu-system-x86_64. Try symlinking
>> /usr/local/bin/qemu-system-x86_64 to /usr/bin/qemu-system-x86_64.
>>
>
> That's not enough. I have a locally-built qemu-system-x86_64 installed in
> /usr/bin, and the only way I could get it to work properly was copy
> /usr/bin/qemu-system-x86_64 to /usr/bin/qemu-kvm (a symlink would likely do
> the job just as well). There is a bit of code just doesn't happen unless
> /usr/bin/qemu-kvm or /usr/bin/kvm exist and are executable, although I have
> to say that once I solved my own problem by making a copy of the file with
> the proper name, I stopped trying to understood exactly what was happening
> in that code :-)

That's insane, but it solved the problem.  I created a symlink in
/usr/bin to /usr/local/bin/qemu-system-x86_64, and everything works
perfectly now.  FWIW, I didn't need /usr/bin/qemu or /usr/bin/qemu-kvm
either.

Thanks for the advice.