I had the same issues, but only on Windows. I had expected that was the unfreed critical section /singleton (?) that has been the topic of such discussions previously.

-----Original Message-----
From: boost-users-bounces@lists.boost.org on behalf of Ovanes Markarian
Sent: Sat 1/20/2007 5:43 AM
To: boost-users@lists.boost.org
Subject: Re: [Boost-users] Does boost::thread_group::create_threadhavememory leak?

Pete,

I yesterday faced the bug as well. Funny thing is, that even Boost Unit
Testing Framework reports the memory leak. It is really simple to reproduce: