Flatpak version of Plexamp doesn't open on Wayland w/ NVIDIA

Plex Labs
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This was posted on the flatpak version’s github months ago but seems to have been missed: Crash with "GPU process (undefined) crashed (133)" in Wayland session · Issue #60 · flathub/com.plexamp.Plexamp · GitHub

The OP eventually discovered it was related to an old NVIDIA workaround that disables the GPU sandbox. The following PR removes the workaround: startplexamp: do not disable GPU sandbox on Wayland by develop7 · Pull Request #65 · flathub/com.plexamp.Plexamp · GitHub

Just tested it myself and can confirm the proposed patch works. Running NVIDIA driver 535.86.05.

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I’ve pushed an update that should resolve this issue. If you’re still experiencing issues with Nvidia + Wayland, revoking the Wayland socket (via the CLI or using something like Flatseal) will let Plexamp fallback to Xwayland instead.

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Stumbled across this when trying to figure out the crashes I was experienced. FWIW, I am still experiencing this on 4.8.1 (released 7/22), unsure if that contains the push mentioned here. In the meantime I’ve had to disable Wayland permissions on the flatpak and force X11 to get a UI.

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The update did include more Wayland checks but still disables the GPU sandbox like before. Think he’s worried about removing the workaround and it potentially breaking other Nvidia configurations since we don’t know exactly what changed to make it start crashing.

Even then, I found music visualizer to be laggy as well as kwin window rules not applying to the app when it ran in native Wayland so maybe using XWayland is the right choice for now anyway.

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Ahh gotcha, makes sense.

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