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  1. Bug #1966418
  2. Comment #31

Comment 31 for bug 1966418

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In , Adrian Vovk (adrianvovk) wrote :

I don't compile WebKit w/ X11 support so I can't tell you if running epiphany w/ GDK_BACKEND=x11 helps anything

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I do not see those EGL errors when I run epiphany on the host. However, if I run the Epiphany flatpak with FLATPAK_GL_DRIVERS=host, I get

EGLDisplay Initialization failed: EGL_BAD_PARAMETER
Cannot create EGL context: invalid display (last error: EGL_SUCCESS)

but the webviews still show up (they're just sluggish). When running with FLATPAK_GL_DRIVERS=host, the epiphany flatpak starts crashing when opening about:gpu

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Downgrading to Mesa 21.3.8 on the host does not solve the issue for me. Not sure what's going on here, because Epiphany from Flathub (using Mesa 21.3.8, WebKitGTK 2.36.0) works perfectly fine in my environment