It is not working on Jetson nano With jetpack 4.6 4.9.253-tegra

[ramesh493]

Is there an existing issue for this?

• [X] I have searched the existing issues

Detail

make

++++++ To sign the  module, you must set KBUILD_SIGN_KEY/KBUILD_SIGN_CERT to point to the signing key/certificate!
++++++ For your convenience, we try to read these variables as 'mok_signing_key' resp. 'mok_certificate' from /etc/dkms/framework.conf

++++++ If your certificate requires a password, pass it via the KBUILD_SIGN_PIN env-var!
++++++ E.g. using 'export KBUILD_SIGN_PIN; read -s -p "Passphrase for signing key : " KBUILD_SIGN_PIN; sudo --preserve-env=KBUILD_SIGN_PIN make sign'

Building v4l2-loopback driver...
make -C /lib/modules/`uname -r`/build M=/home/***/v4l2loopback KCPPFLAGS="-DSNAPSHOT_VERSION='"0.13.2"'" modules
make[1]: *** /lib/modules/4.9.253-tegra/build: No such file or directory.  Stop.
Makefile:52: recipe for target 'v4l2loopback.ko' failed
make: *** [v4l2loopback.ko] Error 2

v4l2loopback version

v0.13.2

kernel version

4.9.253-tegra

OS Version

18.04 LTS (Bionic Beaver)

Which CPU are you using?

other

[umlaeute]

That means that you do not have the headers for your kernel installed (which is a prerequisite, documented in the README)