[erlang-questions] [erlang-bugs] async driver in multithread mode - segmentation fault

Bjorn Gustavsson <>
Tue Jan 23 17:37:57 CET 2007

Thanks for the bug report.

We have found the bug and we will include a correction in R11B-3
(probably to be released within 1 or 2 weeks).


Dmitriy Kargapolov <> writes:

> Hi,
> I was trying to implement asynchronous driver which is invoked in a
> separate thread. It crashes with "segmentation fail" message when
> second call is issued, in driver_async().
> I'm attaching dummy short test which shows the problem. I
> intentionally removed from the code most of driver_free() calls to
> reduce potential problem source.

Björn Gustavsson, Erlang/OTP, Ericsson AB

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