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NVIDIA Smooth Motion Crashing

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skvr
  • Bungie Account Name — SKVR#4499
  • Platform — Steam (PC)
  • Description of Issue — Game crashes to desktop when the active monitor input is switched (e.g., via the monitor's built-in input selector) while Marathon is running. The crash occurs consistently and only when NVIDIA Smooth Motion (driver-level frame generation, configured per-game in the NVIDIA App) is enabled for Marathon. Disabling Smooth Motion for Marathon eliminates the crash entirely. The same monitor-input-switch action does not cause crashes in any other game I play with Smooth Motion enabled, which suggests an interaction issue specific to how Marathon's renderer handles swap chain recreation / device reset events when a driver-level frame generation layer is active. I suspect Marathon's DX12 swap chain recovery path does not cleanly handle the device reset triggered by a display hot-swap when Smooth Motion's interposed frame buffers are in flight.
    Important context for me: I use a laptop as my main machine and play on a single external monitor that I share between the laptop and another device (work setup) by switching the monitor's input source. I do not have a second monitor and switching inputs on the shared one is part of my regular daily workflow — so this is not an edge case for me, it happens often and is critical to my ability to play the game. Currently the only workaround is to keep Smooth Motion permanently disabled for Marathon, which means losing a graphics feature I value.
  • Rough Date and Time of issue — 28 May, 2026
  • Repro steps —
    1. Enable NVIDIA Smooth Motion for Marathon in the NVIDIA App (Graphics → Marathon → Smooth Motion: On).
    2. Launch Marathon and load into any match or menu.
    3. While the game is running, switch the monitor's active input source to another device (e.g., via the monitor's OSD input button), then switch back to the PC.
    4. Marathon crashes to desktop. No in-game error dialog; crash log may be visible in Windows Event Viewer (Application log).
    5. Repeat with Smooth Motion disabled for Marathon → no crash occurs under the same steps.
  • System info —
    • Device type: Laptop
    • GPU: RTX 5070TI
    • NVIDIA driver version: [check via NVIDIA App → System → About]
    • OS: Windows 11
    • Display setup: Single external monitor connected to laptop via DisplayPort, shared with another device (withing HDMI) via the monitor's input switching
    • Marathon display mode: Fullscreen
  • LINKS — [YouTube/Imgur link to video]
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    Bungie Support
    Marathon Support

    Hello there,

    Thank you for the report in sharing your experience and system specs. Rest assured that performance tuning is ongoing!

    While it may be possible to play on certain laptop configurations, we do not officially support them per our Marathon Storage and System Requirements guide.  

    That said, we recommend checking out our PC Performance guide so that you can improve your PC performance when playing Marathon.

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