protonscr

LD_PRELOAD

91 threads 54 games 170 mentions 2015-10 to 2026-08

Preloads a shared library into the game process. Used for overlays and shims, and sometimes cleared entirely to fix launch failures.

Search every mention All launch options
Values people posted
LD_PRELOAD="" %command%42
LD_PRELOAD='./libcxxrt.so:/usr/$LIB/libstdc++.so.6' %command%5
LD_PRELOAD=/usr/lib/libfreetype.so %command%5
LD_PRELOAD=gameoverlayrenderer.so %command%5
LD_PRELOAD=" " %command%4
LD_PRELOAD="$LD_PRELOAD" %command%4
LD_PRELOAD="${LD_PRELOAD}:./ntdll_override.so" PROTON_FORCE_LARGE_ADDRESS_AWARE=1 PROTON_NO_D3D11=1 %command%4
LD_PRELOAD=/usr/lib32/libopenal.so.1 %command%4
LD_PRELOAD="" gamemoderun mangohud %command%3
LD_PRELOAD='' DISABLE_VK_LAYER_VALVE_steam_overlay_1=1 %command%3
Games discussing it
Bayonetta8 mentions
Overwatch®5 mentions
DOOM Eternal5 mentions
ELDEN RING4 mentions
THE FINALS3 mentions
Once Human3 mentions
Path of Exile 23 mentions
Enshrouded3 mentions
The Elder Scrolls V: Skyrim Special Edition3 mentions
FragPunk2 mentions
SHOGUN: Total War™ - Collection2 mentions
Monster Hunter Wilds2 mentions
Threads
lag spikes after 25-40 minutes of playing on linux steamopen15 mentions
Bayonetta protonopen8 mentions
Civilization V seg faults when run inside Steam steamclosed5 mentions
4.11-10 update today = horrendous mouse stutter/lag after about 20 minutes protonclosed5 mentions
Doom Eternal protonopen5 mentions
Unified DXVK/VKD3D lag timebomb in most games if compiled from git dxvkclosed5 mentions
Any game that needs DXVK almost instantly freezes and eventually crashes dxvkopen5 mentions
Overwatch protonopen5 mentions
Steam places gameoverlayrenderer.so at the end of LD_PRELOAD, which breaks VirtualGL (and possibly other GLX/OpenGL interposers as well) steamopen4 mentions
Errors with libfontconfig with Civilization VI on Arch and Flatpak steamopen4 mentions
Elden Ring protonopen4 mentions
War Thunder crashing when run in full screen but only when launched through the Steam Client steamopen3 mentions

Recent mentions

Used alongside