[Webkit-unassigned] [Bug 257368] [GTK] WebView content keeps disappearing on Rawhide (Evolution 3.48.1, webkit 2.41.3)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=257368

--- Comment #4 from Milan Crha <mcrha at redhat.com> ---
For what it's worth, running:

   /usr/libexec/webkit2gtk-4.1/MiniBrowser https://yahoo.uservoice.com/forums/382977

from webkit2gtk4.1-2.40.5-1.fc38.x86_64 under GNOME Wayland shows an empty page, which can be scrolled up/down, thus the content is there, only not visible.

None of the WEBKIT_DISABLE_DMABUF_RENDERER=1, WEBKIT_DISABLE_COMPOSITING_MODE=1 nor WEBKIT_DISABLE_SANDBOX_THIS_IS_DANGEROUS=1 helps.

I tried also GNOME on X.org and it also doesn't pain the page content, the only difference is that the MiniBrowser prints on the console:

   libEGL warning: DRI2: failed to authenticate

Using webkit2gtk4.1-2.41.91-3.fc40.x86_64 the MiniBrowser shows the page content, but it also prints a lot more warnings on the console:

   /usr/libexec/webkit2gtk-4.1/MiniBrowser https://yahoo.uservoice.com/forums/382977
   libEGL warning: failed to get driver name for fd 0

   libEGL warning: MESA-LOADER: failed to retrieve device information

   libEGL warning: failed to get driver name for fd 0

   libEGL warning: egl: failed to create dri2 screen

The above is printed for the Wayland session, while the X.org session shows only these two lines:

   libEGL warning: DRI2: failed to authenticate
   libEGL warning: egl: failed to create dri2 screen

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