I can’t launch games on Steam for some reason, at least Windows games using Proton. I even reinstalled Steam several times, but nothing has changed. My distro is Pop OS. Here’s what happens when I try launching Vanquish for example:
chdir "/home/quentin/.steam/debian-installation/steamapps/common/Vanquish"
ERROR: ld.so: object '/home/quentin/.steam/debian-installation/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
Game Recording - would start recording game 460810, but recording for this game is disabled
Adding process 63931 for gameID 460810
ERROR: ld.so: object '/home/quentin/.steam/debian-installation/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/home/quentin/.steam/debian-installation/ubuntu12_64/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored.
ERROR: ld.so: object '/home/quentin/.steam/debian-installation/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/home/quentin/.steam/debian-installation/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
Adding process 63932 for gameID 460810
Adding process 63933 for gameID 460810
Adding process 63934 for gameID 460810
setlocale "fi_FI.UTF-8": No such file or directory
pv-locale-gen: Missing locale fi_FI.UTF-8 (found in $LC_ADDRESS)
pv-locale-gen: Generating locale fi_FI.UTF-8...
pv-locale-gen: Generated locale fi_FI.UTF-8 successfully
pv-locale-gen: Generating locale en_US.UTF-8...
pv-locale-gen: Generated locale en_US.UTF-8 successfully
pv-adverb[64004]: W: Container startup will be faster if missing locales are created at OS level
Adding process 64042 for gameID 460810
Adding process 64045 for gameID 460810
Adding process 64046 for gameID 460810
fsync: up and running.
Adding process 64047 for gameID 460810
Adding process 64050 for gameID 460810
Adding process 64052 for gameID 460810
Adding process 64056 for gameID 460810
Adding process 64068 for gameID 460810
Adding process 64074 for gameID 460810
Adding process 64081 for gameID 460810
Adding process 64113 for gameID 460810
Adding process 64122 for gameID 460810
Adding process 64125 for gameID 460810
Adding process 64132 for gameID 460810
Fossilize INFO: Overriding serialization path: "/home/quentin/.steam/debian-installation/steamapps/shadercache/460810/fozpipelinesv6/steamapprun_pipeline_cache".
pid 64048 != 64047, skipping destruction (fork without exec?)
Game Recording - game stopped [gameid=460810]
Removing process 64132 for gameID 460810
This has something to do with Steam’s overlay, even though I have disabled it. Help is welcome.
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Looks like you are missing the 32 bit libraries required to run steam. I suggest you look at
Steam has a new experimental 64-bit client in a container. If your system has issues with 32-bit libraries, this could solve it (and the reason why Valve is moving towards this step). You could try to enable that, to see if it works for you. It can be found in Steam settings > System >
Use experimental SteamRT3 Steam Client. I think this is only available if you are on the Steam Beta Update channel. More information here: Steam Client Beta - March 19thMight as well try that!
I also think this would be worth trying.
If you enable overlay, does it work?
Did it ever work? If so, when did it break?
The overlay and launching games on Steam used to work, but after I had to reinstall Pop OS, they haven’t worked.
Try adding an empty
LD_PRELOADvariable to the game’s command line arguments, like this:LD_PRELOAD= %command%(watch the space between the
=and)
Try deleting all your proton libs and reinstalling.
I don’t know that deleting steam does that. This happened to me the other day, that was the fix.
I didn’t find anything on Valve’s issue tracker with a quick search, but maybe you’d like to investigate deeper.
https://github.com/ValveSoftware/steam-for-linux/issues?q=is%3Aissue+state%3Aopen
You could take a look at game’s logs. For Windows titles, enable logs in Proton by adding PROTON_LOG=1 to launch properties, see README for details.
https://github.com/ValveSoftware/Proton/blob/proton_11.0/README.md#runtime-config-options
What do you get from this terminal command?
apt show steamAnd this one?
dpkg -l | grep steamapt show steam
Package: steam:i386 Version: 1:1.0.0.85~ds-2pop1~1769789104~24.04~911485f Priority: optional Section: contrib/oldlibs Source: steam-installer Maintainer: Debian Games Team <pkg-games-devel@lists.alioth.debian.org> Installed-Size: 14,3 kB Depends: steam-installer (= 1:1.0.0.85~ds-2pop1~1769789104~24.04~911485f) Homepage: https://steamcommunity.com/linux Download-Size: 1 778 B APT-Manual-Installed: yes APT-Sources: http://apt.pop-os.org/release noble/main i386 Packages Description: Transitional package for Steam Steam (https://www.steampowered.com/) is a software content delivery system developed by Valve software (https://www.valvesoftware.com/). There is some free software available, but for the most part the content delivered is non-free. . This transitional package upgrades from the old steam package to the newer steam-installer package.dpkg -l | grep steam
ii steam:i386 1:1.0.0.85~ds-2pop1~1769789104~24.04~911485f i386 Transitional package for Steam ii steam-devices 1:1.0.0.85~ds-2pop1~1769789104~24.04~911485f all Device support for Steam-related hardware ii steam-installer 1:1.0.0.85~ds-2pop1~1769789104~24.04~911485f amd64 Valve's Steam digital software delivery system ii steam-libs:amd64 1:1.0.0.85~ds-2pop1~1769789104~24.04~911485f amd64 Metapackage for Steam dependencies ii steam-libs:i386 1:1.0.0.85~ds-2pop1~1769789104~24.04~911485f i386 Metapackage for Steam dependencies ii steam-libs-i386:i386 1:1.0.0.85~ds-2pop1~1769789104~24.04~911485f i386 Metapackage for 32-bit Steam dependenciesI tested with another Windows game, BattleBit Remastered. It booted up all fine. Vanquish on the other hand stopped after the logos for Sega and PlatinumGames. Looks like this is not a problem with Proton and my system configuration, it’s a problem with Vanquish, that game doesn’t seem to run with newer Proton versions.
Yeah, I am inclined to agree with your assesment… my first thought was that maybe your steam install had somehow gotten misconfigured and ended up in a situation where some dependency hell was going on.
But… that doesn’t seem to be happening…
https://www.protondb.com/app/460810
People are saying it does work with Proton 10.0.3.
It could be that your specific hardware has some quirk about it which is not properly taken into account by the latest Proton…
Does Proton 9 work?
Maybe Proton-GE or some other variant?
May be the case that you’re a real guinea pig, a real test subject on this one, might have actually found a real bug in Proton 10.
It could be that your specific hardware has some quirk about it which is not properly taken into account by the latest Proton…
My GPU is GeForce 1070 and I naturally use Nvidia’s Linux drivers. My CPU is AMD Ryzen 7 1700. So I highly doubt my hardware is quirky in any way.
I changed my client to a beta version and enabled the new experimental SteamRT3 Steam Client, as suggested. I have not enabled the Steam Overlay.
Does Proton 9 work?
Here’s what happens:
Proton 9 results
Adding process 228862 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. wine: using kernel write watches, use_kernel_writewatch 1. Adding process 228877 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. wine: using kernel write watches, use_kernel_writewatch 1. Adding process 228885 for gameID 460810 wine: using kernel write watches, use_kernel_writewatch 1. [2026-06-15 01:01:45.033] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine-explorer.conf' [ not found ] [2026-06-15 01:01:45.033] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.steam/debian-installation/steamapps/common/Proton 9.0 (Beta)/files/bin/MangoHud.conf' [ not found ] [2026-06-15 01:01:45.033] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine64-preloader.conf' [ not found ] [2026-06-15 01:01:45.033] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/MangoHud.conf' [ not found ] sh: 1: glxinfo: not found [2026-06-15 01:01:45.354] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine-explorer.conf' [ not found ] [2026-06-15 01:01:45.354] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.steam/debian-installation/steamapps/common/Proton 9.0 (Beta)/files/bin/MangoHud.conf' [ not found ] [2026-06-15 01:01:45.354] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine64-preloader.conf' [ not found ] [2026-06-15 01:01:45.354] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/MangoHud.conf' [ not found ] sh: 1: glxinfo: not found [2026-06-15 01:01:45.584] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine-explorer.conf' [ not found ] [2026-06-15 01:01:45.584] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.steam/debian-installation/steamapps/common/Proton 9.0 (Beta)/files/bin/MangoHud.conf' [ not found ] [2026-06-15 01:01:45.584] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine64-preloader.conf' [ not found ] [2026-06-15 01:01:45.584] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/MangoHud.conf' [ not found ] sh: 1: glxinfo: not found [2026-06-15 01:01:45.926] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine-explorer.conf' [ not found ] [2026-06-15 01:01:45.926] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.steam/debian-installation/steamapps/common/Proton 9.0 (Beta)/files/bin/MangoHud.conf' [ not found ] [2026-06-15 01:01:45.926] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine64-preloader.conf' [ not found ] [2026-06-15 01:01:45.926] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/MangoHud.conf' [ not found ] sh: 1: glxinfo: not found ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. wine: using kernel write watches, use_kernel_writewatch 1. Adding process 228961 for gameID 460810 wine: using kernel write watches, use_kernel_writewatch 1. Setting breakpad minidump AppID = 460810 Steam_SetMinidumpSteamID: Caching Steam ID: 76561198052811166 [API loaded no] ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt64/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored. ERROR: ld.so: object '/tmp/pressure-vessel-libs-K54fyC/${LIB}/libMangoHud.so' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored. wine: using kernel write watches, use_kernel_writewatch 1. Adding process 228980 for gameID 460810 Fossilize INFO: Overriding serialization path: "/home/quentin/.steam/debian-installation/steamapps/shadercache/460810/fozpipelinesv6/steamapprun_pipeline_cache". pid 228821 != 228820, skipping destruction (fork without exec?) Game Recording - game stopped [gameid=460810] Removing process 228980 for gameID 460810Proton 10
Adding process 234540 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. Adding process 234673 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. Adding process 234678 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. fsync: up and running. Adding process 234679 for gameID 460810 Adding process 234680 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. Adding process 234684 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. Adding process 235015 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. Adding process 235018 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. Adding process 235028 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. Adding process 235035 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. Adding process 235042 for gameID 460810 [2026-06-15 01:09:51.430] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine-explorer.conf' [ not found ] [2026-06-15 01:09:51.430] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.steam/debian-installation/steamapps/common/Proton 10.0/files/bin/MangoHud.conf' [ not found ] [2026-06-15 01:09:51.430] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine64-preloader.conf' [ not found ] [2026-06-15 01:09:51.430] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/MangoHud.conf' [ not found ] sh: 1: glxinfo: not found [2026-06-15 01:09:51.498] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine-explorer.conf' [ not found ] [2026-06-15 01:09:51.498] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.steam/debian-installation/steamapps/common/Proton 10.0/files/bin/MangoHud.conf' [ not found ] [2026-06-15 01:09:51.498] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/wine64-preloader.conf' [ not found ] [2026-06-15 01:09:51.498] [MANGOHUD] [info] [config.cpp:118] skipping config: '/home/quentin/.config/MangoHud/MangoHud.conf' [ not found ] sh: 1: glxinfo: not found ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored. Adding process 235098 for gameID 460810 ERROR: ld.so: object '/home/quentin/.steam/debian-installation/steamrt64/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored. ERROR: ld.so: object '/tmp/pressure-vessel-libs-68nGNM/${LIB}/libMangoHud.so' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored. Adding process 235118 for gameID 460810 Fossilize INFO: Overriding serialization path: "/home/quentin/.steam/debian-installation/steamapps/shadercache/460810/fozpipelinesv6/steamapprun_pipeline_cache". pid 234682 != 234680, skipping destruction (fork without exec?) Game Recording - game stopped [gameid=460810] Removing process 235118 for gameID 460810And pretty much the same for Proton-GE 10-34.
