On 16-06-2010, Christoph Bauer <christoph.bauer@lmsintl.com> wrote:
>  
>> While it's easy to reproduce the error (a certain pattern of requests 
>> from the browser), I can't tell what particular conditions cause the blocking behavior.
>>
>> Any help appreciated.
>
> I guess you are using Unix.select. There is (was) a bug in the windows
> select implementation. It had problems with the GC.
>
> http://caml.inria.fr/mantis/view.php?id=4844

"There was" when OCaml 3.12 will be out ;-)

However, I think it should have crash if it falls into this bug.

Regards,
Sylvain Le Gall