Multiple GPUs crash UE 5.1

International
, ,
1

I have 3 screens, two are running on a separate GPU. If UE 5.1 displays a popup on the screen with the other GPU it crashes. I have a 3080 on my main monitor and 1080 on the other two. So it seems UE 5.1 can’t handle displaying windows across multiple GPUs.

Seems multiple GPUs would be a common thing when working with a tool like this. Does anyone else experience this?

2

It’s worth noting that using multiple GPUs can be a complex thing, and sometimes it’s not well supported by some applications or engines, especially if the application is not designed to take advantage of the multiple GPUs.

A few things you can try to resolve this issue include:

  • Try disabling one of the GPUs and see if the issue still occurs.
  • Check if there are any updates for the GPU drivers.
  • Check the UE log files for more information about the crash.
  • If the problem persists, you can try to file a bug report with Epic Games.
3

Thanks @EliasWick
I assume the crash reports go to Epic and they review them.
I just installed the new GPU and this didn’t happen before.
If I keep all the windows on one screen, the app doesn’t crash, but if lets say I import a fbx file and the popup dialog with import issues apear on a screen controlled by another GPU, then it will crash the application.