- What Grafana version are you using? V4.02 - What datasource are you using? Graphite - What OS are you running grafana on? Debian Jessie - What did you do? Configured a graph to use a metric that is negative for the duration of the timescale displayed. Y axis scale left as auto. - What was the expected result? To display the graph - What happened instead? Y axis failed see attached screenshot - Duct Pressure 