Re: [SystemSafety] Stupid Software Errors [was: Overflow......]

From: Andy Ashworth < >
Date: Mon, 4 May 2015 08:55:15 -0400

Why wait until testing? With the established history of date/time roll-over issues, shouldn't any date be viewed with suspicion during design safety analysis appropriate defensive design measures put in place?


Sent from my iPhone

> On May 4, 2015, at 08:49, Michael J. Pont <M.Pont_at_xxxxxx >
> Matthew:
> β€œOn the other hand I don't think we should loose sight of the fact that the Boeing 'bug' was found by running a long duration simulation, not by an airliner falling out of the sky. So perhaps thanks is due to the Boeing safety or software engineer(s) who insisted on a long run endurance test and who might have actually learned something from history?”
> OK – but maybe next time we can ask them to do this testing before the aircraft goes into service …
> Michael.
> Michael J. Pont
> SafeTTy Systems Ltd.
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systemsafety_at_xxxxxx Received on Mon May 04 2015 - 14:55:35 CEST

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