boost::thread_resource_error when I'm using image_transport::CameraPublisher [closed]

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Hi. I'm using Point grey stack made by pbouffard.

Found in here : https://github.com/pbouffard/ros.pgr_camera

However, when it calls

image_transport::CameraPublisher streaming_pub_; // definition

streaming_pub_.publish(img_,cam_info_);

About 5~10 seconds later, it prints out below message. How can I debug this? and what is the problem?

terminate called after throwing an instance of 'boost::thread_resource_error' what(): boost::thread_resource_error Aborted

The interesting thing is that, when I ran this on my Macbook, it works fine. But when I ran this on fitPC which is atom z550 based mini computer, it prints out above message.

I'm using Diamondback and Ubuntu 10.04 LTS now.