mkinitramfs.conf
features="ata base bootchart scsi usb virtio ext4"
cat /proc/cmdline
BOOT_IMAGE=vmlinuz-virt root=UUID=4b195f3f-c580-4e9d-bed8-723ae7612858 modules=sd-mod,usb-storage, quiet chart rootfstype=ext4 initrd=initramfs-virt
when boot i get loop