steam fails to launch proton games

I have normal bazzite installed on bare metal pc, with AMD GPU (6750XT)
Native games work fine, but steam games that use proton won't launch, the launch button just goes back to green after 1 second
things I have tried:
- Repair and reinstall the game
- Change proton version - including using multiple versions from ProtonUp

Here are the terminal messages for trying to launch Witcher 3 using Proton8-25 - but it happens on any game with any proton version, same messages:

/bin/sh\0-c\0/var/home/nosklo/.local/share/Steam/ubuntu12_32/reaper SteamLaunch AppId=292030 -- /var/home/nosklo/.local/share/Steam/ubuntu12_32/steam-launch-wrapper -- '/var/mnt/gamessd/SteamLibrary/steamapps/common/SteamLinuxRuntime_sniper'/_v2-entry-point --verb=waitforexitandrun -- '/var/home/nosklo/.local/share/Steam/compatibilitytools.d/GE-Proton8-25'/proton waitforexitandrun  '/var/mnt/gamessd/SteamLibrary/steamapps/common/The Witcher 3/REDprelauncher.exe'\0
chdir "/var/mnt/gamessd/SteamLibrary/steamapps/common/The Witcher 3"
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_64/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored.
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
WARNING: discarding _NET_WM_PID 2 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 50 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 2 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 50 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
Uploaded AppInterfaceStats to Steam

/bin/sh\0-c\0/var/home/nosklo/.local/share/Steam/ubuntu12_32/reaper SteamLaunch AppId=292030 -- /var/home/nosklo/.local/share/Steam/ubuntu12_32/steam-launch-wrapper -- '/var/mnt/gamessd/SteamLibrary/steamapps/common/SteamLinuxRuntime_sniper'/_v2-entry-point --verb=waitforexitandrun -- '/var/home/nosklo/.local/share/Steam/compatibilitytools.d/GE-Proton8-25'/proton waitforexitandrun  '/var/mnt/gamessd/SteamLibrary/steamapps/common/The Witcher 3/REDprelauncher.exe'\0
chdir "/var/mnt/gamessd/SteamLibrary/steamapps/common/The Witcher 3"
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_64/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored.
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
WARNING: discarding _NET_WM_PID 2 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 50 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 2 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 50 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
Uploaded AppInterfaceStats to Steam

Solution

Found the issue, my fstab mount was missing

defaults

defaults

so the drive got a

noexec

noexec

option.

Jump to solution

steam fails to launch proton games

/bin/sh\0-c\0/var/home/nosklo/.local/share/Steam/ubuntu12_32/reaper SteamLaunch AppId=292030 -- /var/home/nosklo/.local/share/Steam/ubuntu12_32/steam-launch-wrapper -- '/var/mnt/gamessd/SteamLibrary/steamapps/common/SteamLinuxRuntime_sniper'/_v2-entry-point --verb=waitforexitandrun -- '/var/home/nosklo/.local/share/Steam/compatibilitytools.d/GE-Proton8-25'/proton waitforexitandrun  '/var/mnt/gamessd/SteamLibrary/steamapps/common/The Witcher 3/REDprelauncher.exe'\0
chdir "/var/mnt/gamessd/SteamLibrary/steamapps/common/The Witcher 3"
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_64/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored.
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
WARNING: discarding _NET_WM_PID 2 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 50 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 2 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 50 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
Uploaded AppInterfaceStats to Steam

/bin/sh\0-c\0/var/home/nosklo/.local/share/Steam/ubuntu12_32/reaper SteamLaunch AppId=292030 -- /var/home/nosklo/.local/share/Steam/ubuntu12_32/steam-launch-wrapper -- '/var/mnt/gamessd/SteamLibrary/steamapps/common/SteamLinuxRuntime_sniper'/_v2-entry-point --verb=waitforexitandrun -- '/var/home/nosklo/.local/share/Steam/compatibilitytools.d/GE-Proton8-25'/proton waitforexitandrun  '/var/mnt/gamessd/SteamLibrary/steamapps/common/The Witcher 3/REDprelauncher.exe'\0
chdir "/var/mnt/gamessd/SteamLibrary/steamapps/common/The Witcher 3"
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_64/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS64): ignored.
ERROR: ld.so: object '/var/home/nosklo/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
WARNING: discarding _NET_WM_PID 2 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 50 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 2 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
WARNING: discarding _NET_WM_PID 50 as invalid for X11 window - use specialized XCB_X11_TO_PID function!
Uploaded AppInterfaceStats to Steam

Solution

Found the issue, my fstab mount was missing

defaults

defaults

so the drive got a

noexec

noexec

option.

Jump to solution

steam fails to launch proton games

steam fails to launch proton games

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