[SystemSafety] Stupid Software Errors [was: Overflow......]
Andy Ashworth
andy at the-ashworths.org
Mon May 4 14:55:15 CEST 2015
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?
Andy
Sent from my iPhone
> On May 4, 2015, at 08:49, Michael J. Pont <M.Pont at SafeTTy.net> wrote:
>
> Matthew:
>
> “On 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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