Ejtagd Access

SYSTEM ALERT: THERMAL OVERLOAD IMMINENT.

But as Kael approached the terminal, he froze.

# On target (via SSH or local console) ejtagd -d

| Tool | Approach | |------|----------| | (FT2232, J-Link) | External hardware – works when CPU is totally dead | | KGD (Kernel GNU Debugger) | Software breakpoints only, needs live kernel | | kgdb | Serial or network – requires kernel support | | ejtagprobe | User-space tool to verify EJTAG presence |