Hi, now I want to install a new kernel Linux-5.12.14 in my KNOPPIX 9.1. I have done the compilation. But when I run "make install", I found error of crypsetup. Can anyone help me to fix this?

Below is the error:

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Error! Build of v4l2loopback.ko failed for: 5.12.14 (1686) Make sure the name of the generated module is correct and at the root of the build directory, or consult make. log in the build directory /var/lib/dkms/v412loopback/0.12.5/build/ for more information.

run-parts: executing /etc/kernel/postinst.d/initramfs-tools 5.12.14 /boot/vmlinuz-5.12 .14

update-initramfs: Generating /boot/initrd.img-5.12.14 W: Possible missing firmware /lib/firmware/renesas_usb_fw.mem for built-in driver xhci _pci

cryptsetup: ERROR: Couldn't resolve device rootfs

cryptsetup: WARNING: Couldn't determine root device cryptsetup: ERROR: Couldn't resolve device unionfs

W: mkconf: MD subsystem is not loaded, thus I cannot scan for arrays. W: mdadm: failed to auto-generate temporary mdadm.conf file.

root@Microknoppix:/home/knoppix/linux-5.12.14#