protonscr

Games freeze when leaving window (e.g alt + tab)

vkd3dopen
HansKristian-Work/vkd3d-proton#2662 · opened 2025-10-19 by stephematician · updated 2025-10-20 · 4 comments · github
Sstephematician 2025-10-19 github

I believe this might be a newer NVIDIA driver bug, but I'd like to help debug it; I've only been able to see it in Wine games so it may even be something that can be mitigated within Wine or VKD3D.

Essentially, games freeze almost every time I Alt + Tab out either:

  1. In "full screen" mode when Wine emulates a virtual desktop, or
  2. In "windowed" mode when Wine is not emulating a virtual desktop.

This didn't happen before with the 550 drivers, but (on Ubuntu at least) it seems that we've been booted off of 550 drivers and must now use 570 and 580; both of which exhibit the freeze.

Software information

Horizon Zero Dawn, Alien Isolation (haven't tested others).

System information

  • GPU: NVIDIA RTX 2060
  • Driver: 570.195.03 and 580.95.05
  • Wine version: 10.14, 10.16, 10.17
  • VKD3D-Proton version: 2.14.2

Log files

I can't see anything in the log files; the termination output comes from when I have to forcefully close the frozen window.

game.log

HHansKristian-Work maintainer 2025-10-20 github

2.14.2

Does not exist?

Wine version: 10.14, 10.16, 10.17

Which Proton version is this?

Sstephematician 2025-10-20 github

Ah, typo. I meant VKD3D-Proton 2.14.1

I'm using these libraries in Wine rather than via Proton.

Mmbriar 2025-10-20 github

Horizon Zero Dawn, Alien Isolation (haven't tested others).

Alien Isolation at least doesn't even support dx12 and thus vkd3d-proton isn't involved at all.

Sstephematician 2025-10-20 github

Right; thanks for the clarification. I'm gunna guess that means there's not much that can be done here - it's probably too deep in that driver.

Proton versions