id summary reporter owner description type status milestone component version severity resolution keywords cc 5339 asio async_read throws boost::asio::error::invalid_argument on mac OS X wjwwood@… chris_kohlhoff "I am trying to write a serial library using Boost's asio, but on mac OS X the async_read throws boost::asio::error::invalid_argument. I have created a custom completion condition to ignore the invalid_argument exceptions, but this causes a busy wait (using a lot of cpu time) yet does not prevent data from being read. I have attached source code and output from both linux and os x. Linux: Ubuntu 10.10 i386 - Boost 1.42.0 Mac OS X: 10.6.6 - Boost 1.45.0" Bugs new To Be Determined asio Boost 1.45.0 Problem asio invalid_argument mac os x async_read wjwwood@…