Dean Michael C. Berris wrote:

Hi everyone,

I recently ran into a problem with Boost.Asio while using a slightly modified version of the HTTP 2 example server. The debugger trace (attached) shows where a segfault had occurred in the code.

The short of it is that when ~wrapped_handler is called, the call to boost::detail::atomic_exchange_and_add fails when boost::detail::sp_counted_base::release is invoked. It occurs when a handler_wrapper is deleted/destructed (~handler_wrapper is called) in the strand_service.

I'm just wondering what could be causing this -- it's worth noting that under not-so-heavy load, the problem does not manifest itself; but soon enough when the load on the server goes up (more incoming connections) the server crashes consistently.

Any pointers where I should be looking? I'm using Boost.Trunk revision number 43296.

Revision 43296 is quite old. There have been a few fixes since that might be related to your problem, but I suspect this might be the one: http://svn.boost.org/trac/boost/changeset/43879/trunk/boost/asio It would be better if you could try to reproduce the problem with the latest revision, however. Cheers, Chris