The most important part is to stop doing the thing that isn't working. If I communicate this to the channel and the channel is read by the current goroutine, t

The most important part is to stop doing the thing that isn't working. If I communicate this to the channel and the channel is read by the current goroutine, then the channel's buffer must be large enough to handle the total number of errors that may occur in a single invocation or the goroutine will deadlock on itself.