Compatibility Report

• Name of the game with compatibility issues :Elex
• Steam AppID of the game: 411300

System Information

• GPU: GTX 970
• Driver/LLVM version: Nvidia 396.54
• Kernel version: 4.15.0
• Proton version: 3.7.8 & 3.16.2-beta

I confirm:

• [ x] that I haven't found an existing compatibility report for this game.
• [ ] that I have checked whether there are updates for my system available.

Opted-in Controller Mask for AppId 411300: 2
[1017/205211.625465:INFO:crash_reporting.cc(239)] Crash reporting enabled for process: renderer
Loaded Config for Local Selection Path for App ID 411300: /home/user/.steam/steamapps/workshop/content/241100/1175409549/860610936971543001_legacy.bin
[411300]Non-Steam Controller Configs Enabled: 1
GameAction [AppID 411300, ActionID 1] : LaunchApp changed task to ProcessingInstallScript with ""
GameAction [AppID 411300, ActionID 1] : LaunchApp changed task to SynchronizingCloud with ""
GameAction [AppID 411300, ActionID 1] : LaunchApp changed task to ProcessingShaderCache with ""
GameAction [AppID 411300, ActionID 1] : LaunchApp changed task to SiteLicenseSeatCheckout with ""
GameAction [AppID 411300, ActionID 1] : LaunchApp changed task to CreatingProcess with ""
GameAction [AppID 411300, ActionID 1] : LaunchApp waiting for user response to CreatingProcess ""
GameAction [AppID 411300, ActionID 1] : LaunchApp continues with user response "CreatingProcess"
Game update: AppID 411300 "", ProcID 5525, IP 0.0.0.0:0
Loaded Config for Local Selection Path for App ID 411300: /home/user/.steam/steamapps/workshop/content/241100/1175409549/860610936971543001_legacy.bin

Adding process 5525 for game ID 411300
GameAction [AppID 411300, ActionID 1] : LaunchApp changed task to WaitingGameWindow with ""
ERROR: ld.so: object '/home/user/.steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
ERROR: ld.so: object '/home/user/.steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
GameAction [AppID 411300, ActionID 1] : LaunchApp changed task to Completed with ""
ERROR: ld.so: object '/home/user/.steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32): ignored.
Adding process 5526 for game ID 411300
Adding process 5527 for game ID 411300
Adding process 5528 for game ID 411300
Adding process 5529 for game ID 411300
Adding process 5531 for game ID 411300
Adding process 5534 for game ID 411300
Adding process 5536 for game ID 411300
Adding process 5539 for game ID 411300
Adding process 5548 for game ID 411300
Adding process 5553 for game ID 411300
Adding process 5569 for game ID 411300
Game update: AppID 411300 "", ProcID 5529, IP 0.0.0.0:0
Installing breakpad exception handler for appid(gameoverlayui)/version(20181013004717)
Installing breakpad exception handler for appid(gameoverlayui)/version(1.0)
Installing breakpad exception handler for appid(gameoverlayui)/version(1.0)
[1017/205309.185321:INFO:crash_reporting.cc(239)] Crash reporting enabled for process: renderer
Installing breakpad exception handler for appid(gameoverlayui)/version(1.0)
JS method call WebChat.GetOverlayChatBrowserInfo with 1 arguments
OnFocusWindowChanged to game window type: AppID 411300, 411300
Controller 4 Gamepad With Camera Controls uses xinput : true
Loaded Config for Local Selection Path for App ID 411300: /home/user/.steam/steamapps/workshop/content/241100/1175409549/860610936971543001_legacy.bin
Controller 4 Gamepad With Camera Controls uses xinput : true
OnFocusWindowChanged to window type: k_nGameIDControllerConfigs_Desktop, AppID 413080
Controller 4 Gamepad With Camera Controls uses xinput : true
Loaded Config for Local Selection Path for App ID 413080: /home/user/.steam/steamapps/workshop/content/241100/650764041/controller_configuration.vdf
Controller 4 Gamepad With Camera Controls uses xinput : true
Game removed: AppID 411300 "", ProcID 5529
JS method call WebChat.GetOverlayChatBrowserInfo with 1 arguments

Symptoms

If Steam Controller is plugged via USB, game hangs with black screen after show inital 2 logo videos.
Without controller the game runs fine.

Reproduction