If you tell me the exact environment (Linux distribution and kernel version), the exact command or tool named "ktag," and the full error output and logs, I can give a focused step-by-step troubleshooting plan.
Elias stopped. His heart hammered against his ribs, a frantic bird in a cage. "What?" ktag operation not allowed
Modern K-TAG units often require an active internet connection to verify your license and the "checksum" of the file you are trying to write. If the tool can't reach the server, it denies the operation. SD Card Corruption: If you tell me the exact environment (Linux
Verify that your or bench pins are making solid contact. interrupt context without proper locking)
Proprietary or out-of-tree kernel modules sometimes implement custom tagging for buffer management or debugging. If these modules fail to acquire the proper kernel capabilities or attempt operations in an unsafe context (e.g., interrupt context without proper locking), the kernel may reject the tag operation.