With `linuxPackages_latest`, I got `modprobe --config no-config -d /nix/store/r7lph3h97w4 nc4aqy2ygfb2p3slmzffj-linux-5.6.3-modules --set-version 5.6.3 --show-depends virtio_co nsole insmod /nix/store/r7lph3h97w4nc4aqy2ygfb2p3slmzffj-linux-5.6.3-modules/lib/modules/5.6.3/kernel/drivers/virtio/virtio.ko.xz insmod /nix/store/r7lph3h97w4nc4aqy2ygfb2p3slmzffj-linux-5.6.3-modules/lib/modules/5.6.3/kernel/drivers/virtio/virtio_ring.ko.xz insmod /nix/store/r7lph3h97w4nc4aqy2ygfb2p3slmzffj-linux-5.6.3-modules/lib/modules/5.6.3/kernel/drivers/char/virtio_console.ko.xz`. with my clean source, I got `modprobe --config no-config -d /nix/store/1np5mlwyq3p 5cbh7b6bpfdi3k09fics1-linux-5.7.0-rc2-modules --set-version 5.7.0-rc2 --show-depends v irtio_console modprobe: FATAL: Module virtio_console not found in directory /nix/store/1np5mlwyq3p5cbh7b6bpfdi3k09fics1-linux-5.7.0-rc2-modules/lib/modules/5.7.0-rc2`