I have this issue when running "minikube start --vm-driver kvm2":
E0109 11:23:34.536027 22169 start.go:187] Error starting host: Error starting stopped host: Error creating VM: virError(Code=1, Domain=10, Message='internal error: qemu unexpectedly closed the monitor: 2019-01-09 16:23:34.183+0000: Domain id=11 is tainted: host-cpu 2019-01-09T16:23:34.284194Z qemu-kvm: unrecognized feature kvm').
Result of lsmod kvm:
[root@smu-ws ~]# lsmod | grep kvm kvm_intel 225280 0 kvm 647168 1 kvm_intel irqbypass 16384 1 kvm
Result of virt-host-validate, everything PASS except:
QEMU: Checking for device assignment IOMMU support
: WARN (No ACPI DMAR table found, IOMMU either disabled in BIOS or not supported by this hardware platform)
Regards.