OK, então depois de ./build_kernel.sh
, há essa saída no final:
-----------------------------
'arch/arm/boot/zImage' -> '/home/administrator/bb-kernel/deploy/4.9.73-bone-rt-r9.zImage'
'.config' -> '/home/administrator/bb-kernel/deploy/config-4.9.73-bone-rt-r9'
-rwxr-xr-x 1 root root 8.4M Jan 1 00:06 /home/administrator/bb-kernel/deploy/4.9.73-bone-rt-r9.zImage
-----------------------------
Building modules archive...
Compressing 4.9.73-bone-rt-r9-modules.tar.gz...
-rw-r--r-- 1 root root 20M Jan 1 00:06 /home/administrator/bb-kernel/deploy/4.9.73-bone-rt-r9-modules.tar.gz
-----------------------------
Building firmware archive...
Compressing 4.9.73-bone-rt-r9-firmware.tar.gz...
-rw-r--r-- 1 root root 1.2M Jan 1 00:06 /home/administrator/bb-kernel/deploy/4.9.73-bone-rt-r9-firmware.tar.gz
-----------------------------
Building dtbs archive...
Compressing 4.9.73-bone-rt-r9-dtbs.tar.gz...
-rw-r--r-- 1 root root 487K Jan 1 00:06 /home/administrator/bb-kernel/deploy/4.9.73-bone-rt-r9-dtbs.tar.gz
-----------------------------
Script Complete
eewiki.net: [user@localhost:~$ export kernel_version=4.9.73-bone-rt-r9]
-----------------------------
Então, export kernel_version=4.9.73-bone-rt-r9
está certo.