Re: Gnome-shell segfault: "Can't init class Variant"

[Clemens <clemens lab21 org>]

Am Mo 06 Aug 2012 12:30:31 CEST schrieb Giovanni Campagna:
> 2012/8/6 Amy C <mathematical coffee gmail com>:
> > Hi all,
> >
> > All of a sudden a couple of days ago (4/Aug afternoon AEST) my
> > gnome-shell refused to start with the following error:
> >
> > Exception was: Error: Failed to throw Exception 'Object 0xaf7065b0
> > proto 0xaf702078 doesn't have a dynamically-registered class, it has
> > $$`'
> >      lineNumber = '243'
> >      fileName = '"/usr/share/gjs-1.0/overrides/GLib.js"'
> >      stack = '"_init()@/usr/share/gjs-1.0/overrides/GLib.js:243"
> > @/usr/share/gnome-shell/js/ui/environment.js:3
> > "'
> > Can't init class Variant
> >
> > Aborted
> >
> > I have not managed to get it to start since, always getting the above
> > error (but the '$$`' appears to be random, sometimes rendering as odd
> > symbols).
> >
> > I do not know what I would have done to trigger this. I have emptied
> > my ~/.local/share/gnome-shell/extensions so to eliminate them as a
> > problem. I can successfully log in to any other shell (including
> > 'Classic GNOME with Compiz'), so this is gnome-shell specific.
> >
> > Does anyone know how to fix this/what I can do to further diagnose the
> > problem? (that error message is the one in .xsession-errors and also
> > that appears in the terminal when I try a `gnome-shell --replace` from
> > there).
>
> Looking at it, it seems a strange gjs bug - except that the fedora
> update system doesn't show recent changes in that for F16.
> Try reinstalling it anyway, and to further debug it, try running
> gjs-console -c "imports.gi.GLib"
> inside gdb, possibly breaking at gjs_throw.
>
> Giovanni
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Have you tried to login as an other user? i would add a user and log in 
to make sure it is not connected
with a to settings/extensions inside the users home dir.