Category: Embedded Diagnostics

In my earlier blog on Debugging Watchdog Timeouts I mentioned the dreaded No Trouble Found (NTF) problem. NTF is a huge cost to companies and is extremely difficult to quantify and to address. Something as simple as an errant wedding ring can cost companies millions of dollars. Let me explain…
Watchdog timeouts occur in crashed or hung systems when the main processor no longer sends a heartbeat to an ancillary service processor. These can occur in high- and low-end systems, anywhere from routers to servers to cell phones. Debugging them can be difficult…
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