protonscr

Assasin's Creed Black Flag Resynced

appid 3751950 1 threads, 1 open 9 comments last activity 2026-07-26
Latest maintainer comment · kisak-valve · 2026-07-13 · #9958
AC: Black Flag Resynced - In-game HDR setting automatically reverts to OFF on SteamOS / Proton (Steam Machine 512GB) Issue transferred from https://github.com/ValveSoftware/Proton/issues/9970. @geeksonhugs posted on 2026-07-13T20:05:42: # Compatibility Report Assassin's Creed: Black Flag Resynced (AppId: 3751950)⁠ ## System Information Steam Machine 512GB (2026) ### AMD GPU Custom Steam Machine co...
Threads

Assasin's Creed Black Flag Resynced proton open 1 matching

#9958 · 9 comments · opened 2026-07-09 · last comment 2026-07-25 by Kishi85
comment by johnfercher · 2026-07-16 · view · github
... Before I add this configs `PROTON_ENABLE_WAYLAND=1 PROTON_ENABLE_HDR=1 %command%` when I enabled the HDR the colors were ...
Recent activity
  • Kishi85 · 2026-07-25 · Assasin's Creed Black Flag Resynced
    > Replying to https://github.com/ValveSoftware/Proton/issues/9958#issuecomment-4936716638 Can confirm `PROTON_NO_NTSYNC=1` fixes issues with Ubisoft Connect Launcher on Proton 11 (also fixes other Ubisoft games like AC O...
  • Game has been running great with 100+ FPS on my 5800X and 9070XT. I have run into some crashes though. The `amdgpu` driver crashes and resets the GPU: [code]
  • johnfercher · 2026-07-16 · Assasin's Creed Black Flag Resynced
    IDK if this is the most appropriate place to talk about this. The HDR is working, but in a strange way. Before I add this configs `PROTON_ENABLE_WAYLAND=1 PROTON_ENABLE_HDR=1 %command%` when I enabled the HDR the colors ...
  • kisak-valvemaintainer · 2026-07-13 · Assasin's Creed Black Flag Resynced
    AC: Black Flag Resynced - In-game HDR setting automatically reverts to OFF on SteamOS / Proton (Steam Machine 512GB) Issue transferred from https://github.com/ValveSoftware/Proton/issues/9970. @geeksonhugs posted on 2026...
  • igormcsouza · 2026-07-11 · Assasin's Creed Black Flag Resynced
    Good news! Thanks to the comment from `Hodor` at ProtonDB I got a much better workaround which is to set `sudo sysctl kernel.split_lock_mitigate=0` before starting the game! I see some distributions already comes with th...
  • ngrampsas · 2026-07-11 · Assasin's Creed Black Flag Resynced
    I can confirm the same issue on my system. System: - Ubuntu 26.04 LTS - NVIDIA GeForce RTX 4090 - NVIDIA Driver 610.43.02 - Intel Core i9-13900KF - Proton-CachyOS Latest Three issues in `acbf_resync_nudge.sh` prevented i...
  • Schidstorm · 2026-07-10 · Assasin's Creed Black Flag Resynced
    I can confirm the same issue on my system. **System:** * Kubuntu 24.04 LTS * NVIDIA GeForce RTX 4090 * NVIDIA Driver 595.71.5 * Proton Experimental Without the GDB workaround, Ubisoft Connect launches, but the game never...
  • igormcsouza · 2026-07-10 · Assasin's Creed Black Flag Resynced
    I tested `PROTON_NO_NTSYNC=1` idea from @bertonha but unfortunately it cannot apply to my system (my kernel doesn't supports it), I hit the same symptom on fsync and esync, so the race is probably not ntsync-specific tho...

Proton versions over time

Launch lines, newest first

PROTON_ENABLE_WAYLAND=1 PROTON_ENABLE_HDR=1 %command%
PROTON_ENABLE_HDMI_HDR=1 %command%
PROTON_NO_NTSYNC=1 %command%