It looks like Battery 4 is just behaving weirdly in Renoise.
"Auto suspend" is disabled, but on the plugin tab it shows the state as "Suspended" next to the question mark. I think if auto suspend is disabled, it shouldn't get suspended at all, right?
The other weird thing was that hovering over the question mark it said the latency is 0 samples, but the Song Plugin Delay Compensation Info window showed 255 samples latency for Battery. The Plugin Options window had "Use static processing buffers" enabled by default... when I unchecked it, the Song Plugin Delay Compensation Info window showed 0 latency from Battery, and the plugin grabber worked fine.
So there seem to be at least two problems with Renoise and Battery's plugin configuration:
- Renoise will suspend Battery, even if "auto suspend" is disabled
- The latency isn't being communicated correctly, particularly with "Use static processing buffers" set to on