[erlang-questions] max timeout

Bjorn Gustavsson <>
Wed Aug 20 11:59:26 CEST 2008

On Tue, Aug 19, 2008 at 9:42 AM, Matthias Lang <>wrote:

> This may be the thread you remember, it starts here:
> http://www.erlang.org/pipermail/erlang-questions/2008-February/032609.html
> Executive summary: In R11B-2, a timeout of 16#ffffFFFF doesn't work as
>    expected on a 32-bit machine. Something changed between R11B-2 and
>    R11B-5 which made it work in the shell, but still not in compiled
>    code. I haven't noticed anything in the release notes saying it's
>    been fixed for real.

Actually, a value of 16#ffffFFFF sometimes works, sometimes doesn't. It has
nothing to do with whether it is executed from the shell or from compiled

The problem is an integer overflow. We will include a correction in R12B-4.

Björn Gustavsson, Erlang/OTP, Ericsson AB
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