This is for r32.7.2, I’m not sure if it’s fixed in newer releases.
Theflash.sh script takes a parameter to select a different rootfs directory, but when it generates the recovery ramdisk, it still assumes the rootfs is at Linux_for_Tegra/rootfs.
$ ./flash.sh -R some_other_rootfs/ jetson-xavier mmcblk0p1
...
Making recovery ramdisk for recovery image...
Re-generating recovery ramdisk for recovery image..
...
find: ‘/home/user/stevie-bsp/Linux_for_Tegra/rootfs/lib’: No such file or directory
cp: cannot stat '/home/user/stevie-bsp/Linux_for_Tegra/rootfs/bin/mv': No such file or directory
warning: cp -f /home/user/stevie-bsp/Linux_for_Tegra/rootfs/bin/mv /home/user/stevie-bsp/Linux_for_Tegra/bootloader/ramdisk_tmp//bin/mv
[lots more errors like the above]
sed: can't read /home/user/stevie-bsp/Linux_for_Tegra/bootloader/ramdisk_tmp/sbin/dhclient-script: No such file or directory
command is failed