sys-apps/pciutils provides libpci which is used by kvm for device assignment capability. When emerging kvm without sys-apps/pciutils installed this warning is printed: >>> Source prepared. >>> Configuring source in /var/tmp/portage/app-emulation/kvm-85-r1/work/qemu-kvm-devel-85 ... Error: libpci check failed Disable KVM Device Assignment capability. Reproducible: Always
I can confirm this.
Fixed in kvm-85-r2