distro_bootcmd 模式下修改 kernel command line
环境
硬件:OrangePi PC
编译环境:buildroot
修改
增加 initcall_debug 启动参数
# cat /boot/extlinux/extlinux.conf
LABEL default
kernel /boot/zImage
devicetreedir /boot
append root=PARTUUID=2d2a225f-07d8-4811-9802-314074f963ff rootwait console=${console} rootfstype=ext4 quiet panic=10 initcall_debug