> > > The scenario is that node1 sends a ReadyMessage to node2 telling it > that it is ready for the next image/depth pair. node2 sends an image > and depth map to node3 (depth_to_cloud) to constuct a PointCloud from > the depth map to pass back along to node1. The problem seems to be > that the chain of messages gets broken at depth_to_cloud. Below is a > sample of the debug output I'm seeing from depth_to_cloud. This output > continues indefinitely until I kill the depth_to_cloud process. Am I > right to believe that this output explains the behavior I am seeing? > If so, what can I do about it? > Is node2 still up at this point? The only reason the depth_to_cloud node should be retrying those connections is if it died at some point, or if its connection got killed in some other way. You mentioned you're running against latest -- there have been some bugs fixed with the retry logic recently that only went out to cturtle. You may want to try switching over. > > Also, I think this output may be responsible for the respawning of > rosout. rosout uses quite a lot of memory during these connection > failure messages. Could it perhaps be trying to store all of these in > memory in addition to in the log files and eventually running out of > memory? > Those roscpp_internal log messages don't get sent to rosout unless you've enabled DEBUG output in general -- is the rest of your system sending a lot of messages to rosout? Josh