operations with handles hang

Dmitry Astapov dastapov at gmail.com
Tue May 24 22:00:05 CEST 2011

On Tue, May 24, 2011 at 10:36 PM, Brandon Allbery <allbery.b at gmail.com>wrote:

> On Tue, May 24, 2011 at 14:48, Artem Chuprina <ran-ghu at ran.pp.ru> wrote:
>> An author writes that the code was tested on ghc 6.6 under Linux/x86.  I
>> have
>> ghc 6.12.1 on Debian GNU/Linux.  My compiler asked me to add type
>> signatures
>> in second arguments of catch (original code does not have them).
> The latter sounds like new vs. old exceptions.  The former, I think this is
> a known bug in 6.12.1.

I would second that - this is definitely a known bug in new (epoll-based) IO
manager, closed in 6.12.3. If you decide to upgrade to ghc7, watch out for
http://hackage.haskell.org/trac/ghc/ticket/4514 and make sure you got at
least 7.0.2

Dmitry Astapov
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