Ktag Hardware Configuration Not Supported — Ultra HD

dmesg | grep -i "machine\|tag\|ktag" Fix Bootloader Configuration (U-Boot example) Switch from ATAGs to Device Tree or update the machine ID:

devmem2 <physical_address> # if devmem is available or check kernel logs for: ktag hardware configuration not supported

printenv bdinfo Look for machid (machine ID) and bootargs . Compare these with the kernel’s expected values. If you can access the system via serial or netconsole, look for: ktag hardware configuration not supported

Would you like a sample kernel patch to add a new hardware revision to a board’s tag validation logic, or guidance on extracting the ktag value from memory? ktag hardware configuration not supported

setenv bootz 0x80008000 - 0x83000000 # DTB at 0x83000000 setenv bootargs console=ttyS0,115200 saveenv Enable the following in .config :