no graph is shown

[DeathRipple]

what kind of error is that?

Waiting on 1/1 pollers.
OK u:0.00 s:0.00 r:4.04
OK u:0.00 s:0.00 r:4.04
OK u:0.00 s:0.00 r:4.04
OK u:0.00 s:0.00 r:4.04
Waiting on 1/1 pollers.
Waiting on 1/1 pollers.
Waiting on 1/1 pollers.
Waiting on 1/1 pollers.
Waiting on 1/1 pollers.
Waiting on 1/1 pollers.
Waiting on 1/1 pollers.

and it keeps going until it times out...