Not sure what happened but I’ve been running Steam games using MANGOHUD=1 gamemoderun %command% and it’s been working fine with Mangohud. Suddenly, no Mangohud. Mangohud still works with Lutris.
I am using the Flatpak version so I looked at my history and there haven’t been any updates to the Steam or Mangohud Flatpaks when the breakage occurred. Nothing relevant is logged out if I run Steam using flatpak run com.valvesoftware.Steam. Inside Steam there have been a few updates, including an update to the common redistributable and that may have been around the time this broke. The only other thing I see is that Gnome updated some Flatpak stuff recently as well.
System wise I am on OpenSuse Tumbleweed using KDE Plasma 6. Any tips for debugging further?
Relevant Flatpak packages
Name Application ID Version Branch Installation
Valve Corporation com.valvesoftware.Steam 1.0.0.79 stable system
Mesa org.freedesktop.Platform.GL.default 24.0.3 22.08 system
Mesa (Extra) org.freedesktop.Platform.GL.default 24.0.3 22.08-extra system
Mesa org.freedesktop.Platform.GL.default 24.0.3 23.08 system
Mesa (Extra) org.freedesktop.Platform.GL.default 24.0.3 23.08-extra system
Mesa org.freedesktop.Platform.GL32.default 24.0.3 23.08 system
Mesa (Extra) org.freedesktop.Platform.GL32.default 24.0.3 23.08-extra system
MangoHud org.freedesktop.Platform.VulkanLayer.MangoHud 0.6.8 21.08 system
MangoHud org.freedesktop.Platform.VulkanLayer.MangoHud 0.7.1 23.08 system
gamescope …g.freedesktop.Platform.VulkanLayer.gamescope 3.14.2 23.08 system
Freedesktop SDK org.freedesktop.Sdk 23.08.14 23.08 system
GNOME Application Platform versi… org.gnome.Platform 45 system
GNOME Application Platform versi… org.gnome.Platform 46 system
i386 org.gnome.Platform.Compat.i386 45 system
Breeze GTK theme org.gtk.Gtk3theme.Breeze 6.0.3 3.22 system
Adwaita theme org.kde.KStyle.Adwaita 6.5 system
KDE Application Platform org.kde.Platform 6.5 system
DXVK org.winehq.Wine.DLLs.dxvk 2.3 stable-23.08 system
Pretty non-intrusive workaround I ended up using as well.