Hi Nathan, Nathan Dehnel <ncdeh...@gmail.com> writes:
> Gtk:ERROR:gtkiconhelper.c:494: > ensure_surface_for_gicon: assertion > failed (error == NULL): Failed to load > /run/current-system/profile/share/icons/Adwaita/16x16/status/image-missing.png: > Unrecognized image file format (gdk-pixbuf-error-quark, 3) > Bail out! Gtk:ERROR:gtkiconhelper.c:494:ensure_surface_for_gicon: > assertion failed (error == NULL): Failed to load > /run/current-system/profile/share/icons/Adwaita/16x16/status/image-missing.png: > Unrecognized image file format (gdk-pixbuf-error-quark, 3) > > This is breaking various apps like viewnior, xfce4-power-manager, > causing firefox to crash when opening the file picker, making app > icons not appear, etc. So, GDK Pixbuf has a dynamic loader mechanism, where additional formats can be added via additional loaders, which are usually all installed in the same directory. In Guix, this means that we need to point GDK Pixbuf to a list of loaders to use that is dependent on what is installed (there's no easy way to record this per-package, embed it inside of it and then use that only there like with the ld cache). For that, we use the environment variable GDK_PIXBUF_MODULE_FILE, which is a search-path for the package gdk-pixbuf, meaning that it is set only if gdk-pixbuf is installed in your profile. Now, if we had packaged everything properly, all the applications you mention should *propagate* gdk-pixbuf and not just list it as an input, so that it always gets installed to the profile as well, but that's not the case! The reason it doesn't happen for other users is because they have some applications which pull in gdk-pixbuf inside the profile! So we should fix this and propagate gdk-pixbuf everywhere (something which I'm not too much a fan of, but alas). In the meantime, you can manually install gdk-pixbuf to your profile, log-out and log-in and it should hopefully work. Best, -- Josselin Poiret
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