protonscr

Assassin's Creed Shadows

appid 3159330 4 threads, 1 open 71 comments last activity 2026-08-20
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Latest maintainer comment · kisak-valve · 2026-06-26 · #9911
Hello @A00-r10T, we're using one issue report per unofficially supported game title, and usually I'd transfer this issue report to #8543, however, there's literally nothing usable here for a Proton dev to ponder beyond a one line summary of your experience. Closing as a duplicate.
Threads

Assassin's Creed Shadows proton open 1 matching

#8543 · 65 comments · opened 2025-03-20 · last comment 2026-08-05 by Saancreed
comment by realbardia · 2025-03-21 · view · github
... and play game successfully with below flags ```bash PROTON_HIDE_NVIDIA_GPU=1 PROTON_ENABLE_NVAPI=1 PYROVEIL_CONFIG=/home/user/.local/share/pyroveil ...

Assassin's Creed Shadows hangs on RTX 5080 / NVIDIA open 610.43.02, stuck in vkd3d waits proton closed

#9863 · 3 comments · opened 2026-06-09 · last comment 2026-08-20 by majdmina

Assassin's Creed Shadows — TaskThread SRW lock deadlock (RtlAcquireSRWLockExclusive spin) on RTX 5070 / Blackwell proton closed

#9911 · 2 comments · opened 2026-06-26 · last comment 2026-06-26 by A00-r10T

Assassin's Creed Shadows crashes before main menu on Fedora 42 with AMD GPU proton closed

#9049 · 1 comments · opened 2025-09-16 · last comment 2025-09-16 by kisak-valve
Recent activity
  • majdmina · 2026-08-20 · Assassin's Creed Shadows hangs on RTX 5080 / NVIDIA open 610
    ### Additional data point: VK_ERROR_DEVICE_LOST (not a hang) on NVIDIA open 610.43.03, RTX 5070 Ti Adding data to this issue, since the environment matches closely but the failure mode differs in one important way: here ...
  • Saancreed · 2026-08-05 · Assassin's Creed Shadows
    Might as well post here, in case not everyone is watching vkd3d-proton repo issues… I got somewhat tired of waiting for this hang on NV 595+ to be investigated and resolved, so I did some absolutely stupid shotgun debugg...
  • praz01 · 2026-07-28 · Assassin's Creed Shadows
    > > Replying to [#8543 (comment)](https://github.com/ValveSoftware/Proton/issues/8543#issuecomment-4956994379) > > For me currently happens even when tried this fix. Fedora 44 KDE, 610 driver from rawhide repo, latest ca...
  • Qbsoon · 2026-07-27 · Assassin's Creed Shadows
    > Replying to https://github.com/ValveSoftware/Proton/issues/8543#issuecomment-4956994379 For me currently happens even when tried this fix. Fedora 44 KDE, 610 driver from rawhide repo, latest cachyos-proton, Heroic Laun...
  • ragne1d · 2026-07-13 · Assassin's Creed Shadows
    Hello everyone, I tested the workaround mentioned by @ssareta above: building vkd3d-proton in debug mode, replacing Proton’s D3D12 DLLs with the newly built ones, and adding the following environment variables to the lau...
  • praz01 · 2026-07-05 · Assassin's Creed Shadows
    Played today for about 5 hours without crashing. - `--buildtype=debugoptimized` built dlls - Following overrides: - `VKD3D_CONFIG=descriptor_heap,breadcrumbs` - `PROTON_VKD3D_HEAP=1` - `VKD3D_DEBUG=err` - `WINEDLLOVERRID...
  • praz01 · 2026-07-04 · Assassin's Creed Shadows
    In my case the crash does occur even with `trace` enabled, just not immediately as it does otherwise. Not really sure any of this is significant but here are debug outputs. When I have time I dig deeper. 1st Error: [code...
  • praz01 · 2026-07-02 · Assassin's Creed Shadows
    > > * **Nvidia 5000 series (open kernel):** The vkd3d fence/swapchain hang described by [@ragne1d](https://github.com/ragne1d) is still being investigated. [@ssareta](https://github.com/ssareta)'s workaround (debug build...

Proton versions over time

Launch lines, newest first

VK_DRIVER_FILES=/usr/share/vulkan/icd.d/nvidia_icd.json VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/nvidia_icd.json %command%
PYROVEIL=1 PYROVEIL_CONFIG=/home/dylan/pyroveil/hacks/ac-shadows-nvidia-570-stable/pyroveil.json %command%
mangohud PROTON_LOG=1 WINEDLLOVERRIDES=libglesv2.dll=d DXVK_FRAME_RATE=60 %command%
mangohud PROTON_LOG=1 PYROVEIL=1 PYROVEIL_CONFIG=/home/paco/programs/pyroveil/hacks/ac-shadows-nvidia-570-stable/pyroveil.json %command%
PROTON_HIDE_NVIDIA_GPU=1 PROTON_ENABLE_NVAPI=1 PYROVEIL_CONFIG=/home/user/.local/share/pyroveil/hacks/ac-shadows-nvidia-570-stable/pyroveil.json PYROVEIL=1 %command%

Launch options

Upstream links

DLLs

Error codes