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richardst
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Re: 14 March 2014 Live Chat -- Lethal Software Defects
richardst   3/14/2014 12:30:30 PM
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On the Toyota case, it is my understanding that (i) the ECU code was both ugly and buggy and (ii) uninteded, continuing, accelleration would occur if the Task X control bit happened to flip while the vehicle was accelerating under cruise control.  Please correct me if I am mistaken.

The jury decided that this must have happened.  What do you think is the chance that this actually happened?  Do we know if the plaintiff routinely used cruise control?

Have you been able to examine other manufacturer's and/or models' code to this level of detail?  If so, have you found it better or worse than the Toytoa code?



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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