protonscr

S.T.A.L.K.E.R. 2: Heart of Chornobyl

appid 1643320 2 threads, 1 open 65 comments last activity 2026-10-27
Latest maintainer comment · kisak-valve · 2026-02-14 · #9498
Hello @zehDonut, we're using one issue report per unofficially supported game title, so I've gone ahead and transferred this issue report to https://github.com/ValveSoftware/Proton/issues/8260#issuecomment-3902198387.
Threads

S.T.A.L.K.E.R. 2: Heart of Chornobyl proton open

#8260 · 63 comments · opened 2024-11-21 · last comment 2026-10-27 by simifor

S.T.A.L.K.E.R. 2: Heart of Chornobyl CTD when loading a save proton closed

#9498 · 2 comments · opened 2026-02-14 · last comment 2026-02-14 by zehDonut
Recent activity
  • simifor · 2026-10-27 · S.T.A.L.K.E.R. 2: Heart of Chornobyl
    @dennishilk so things known to be factors are both underclocking your card and the firmware, I also haven't had luck reproducing on my end, though my card is a 9070 so not a perfect oranges to oranges. Given the workarou...
  • dennishilk · 2026-10-27 · S.T.A.L.K.E.R. 2: Heart of Chornobyl
    Hi @simifor, thanks for following up! You're right that my blog covers several investigations, so here's a clearer comparison. Short answer: the newer firmware alone did NOT solve the hardlocks on my system. A new findin...
  • simifor · 2026-10-26 · S.T.A.L.K.E.R. 2: Heart of Chornobyl
    @dennishilk I did take a short look at the blog, but as things are a bit scattered with other topics and games it makes things harder to parse, so having some clear symptoms, and as much information as possible on reprod...
  • dennishilk · 2026-10-26 · S.T.A.L.K.E.R. 2: Heart of Chornobyl
    Hi @simifor , thanks for taking a look! Yes, the symptoms and my test history are documented in the linked article, but here's a more direct summary: **Original symptoms:** Standing still, looking around, shooting and re...
  • simifor · 2026-10-25 · S.T.A.L.K.E.R. 2: Heart of Chornobyl
    @dennishilk can you be more clear about what symptoms you are experiencing? is it a freeze or something else? I played a while on my 9070, with most graphics settings set to high and didn't see any issues. It'd be good t...
  • dennishilk · 2026-10-25 · S.T.A.L.K.E.R. 2: Heart of Chornobyl
    ## RX 9060 XT / RADV — GEM handle close followed by BO-list submission failure (`-ENOENT`) Adding a separate AMD Radeon / RADV investigation for the same game. This is not necessarily related to the original NVIDIA crash...
  • FrancescoPnr-dev · 2026-09-10 · S.T.A.L.K.E.R. 2: Heart of Chornobyl
    > Replying to https://github.com/ValveSoftware/Proton/issues/8260#issuecomment-2509483841 I love you thanks bro ❤️
  • heywoodlh · 2026-06-26 · S.T.A.L.K.E.R. 2: Heart of Chornobyl
    Was messing around with mods and started running into this for whatever reason: > DX12 RHI use is required by the project, but it is not supported, or failed to choose a valid graphics adapter Tried the suggestion at htt...

Proton versions over time

Launch lines, newest first

MESA_SHADER_CACHE_MAX_SIZE=10G PROTON_NO_STEAMINPUT=1 PROTON_VKD3D_HEAP=1 PROTON_ENABLE_WAYLAND=1 PROTON_ENABLE_HDR=1 PROTON_DLSS_UPGRADE=1 PROTON_LOCAL_SHADER_CACHE=1 %command%
VKD3D_VULKAN_DEVICE=0 %command%
WINEDLLOVERRIDES="gameinput=n,b" %command%