Category: Embedded Diagnostics

Rooting out impossible bugs

Alan Sguigna

September 26, 2010
2:55 pm

The use of effective embedded diagnostics to identify failures in today’s high-availability systems becomes more critical as semiconductor and board technologies increase in speed and integration. But many OEMs seem to be overlooking this vital aspect of their products’ post-sales operation...

No Trouble Found?

Alan Sguigna

September 1, 2010
11:33 am

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…

Debugging watchdog timeouts

Alan Sguigna

August 11, 2010
2:59 am

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…

Category: Embedded Diagnostics

Rooting out impossible bugs

No Trouble Found?

Debugging watchdog timeouts

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