Had an issue with a live feed via magewell that was repeatedly nearly crashing my system on NYE.
SDI to SDI Repeater
SDI to Blackmagic SDI to HDMI (Mini Converter not micro)
HDMI into Magewell
Magewell USB3 to Computer
Magewell as source in Resolume
Resolume was working normally under very little load with the content with the event.
Launching the clip for the Magewell source made the GPU usage immediately spike (Ram, VRAM, CPU usage all normal).
Live video feed visibly chugging in waves on LED screen, corresponding with spikes in GPU usage in Resolume.
Resolume becomes very sensitive to any other GPU usage while magewell source is activated. As in, I move a few parameters on my midi controller and now GPU is spiking to 95% and the software becomes unstable.
Deactivating and removing the live feed / magewell source immediately fixed the problem. Otherwise the GPU usage would spike and the software would be close to crashing with GPU usage at 95-98%
The show went on, I patched the live cam directly into the LED wall and everything was fine.
I have my suspicions this has to do with the Blackmagic Mini Converter, as they're notorious for unpredicable performance with Resolume and I can't recall having the same issue using Theatrixx or Kramer converters.
I have a GTX980 in this server, but it has always been fine with Magewell live camera in the past.