11.04 32 bit or 64 bit for 64 bit AMD sempron
Thierry de Coulon
tcoulon at decoulon.ch
Fri May 13 14:19:47 UTC 2011
On Friday 13 May 2011 12:16:02 pm Nils Kassube wrote:
> Thanks, somehow I remembered a year 21xx for that integer overflow. But
> I don't think it will make 64 bit machines mandatory to fix a date
> problem. After all the Y2k problem didn't require new machines for a
> fix.
These two "bugs" are both similar and different:
a) They are no bugs, just the consequences of choices made when not many
thought these system would still be in use decades later
b) Y2K "bug" was a "program bug", programs that could not tell the difference
between 1900 (00) and 2000 (00). You could modify the program to use 1900 and
2000 and it was cured. The 2038 "bug" means the system can't deliver a date
past Tue Jan 19 03:14:07 2038. Which means after this moment (or as soon as
you need a date after this moment) you get no answer. AFAIK there is no work
around that would not break compatibility.
A 64 bit *nix system uses a new variable that will ensure calculating the time
for so long it should not be a problem.
Thierry
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