Debug why the artdaq-demo doesn't work on gpvm nodes.
[artdaq] Debug why the artdaq-demo doesn't work on gpvm nodes
a. This can/should make use of the new Trace feature that Eric/Ron added to allow us to set Trace levels before starting the demo system.
b. It may turn out that there is something that technically prevents us from running on gpmv nodes, but then there should be a message or messages that clearly indicate the problem so that users aren't left confused why the system isn't working.