Invalid MIT-MAGIC-COOKIE-1 in Arch Linux

I recently reinstalled my Arch Linux desktop onto a brand spankin’ new solid-state hard drive. I’ve been extremely happy with the performance, but I was having problems with X11 forwarding over SSH. aorth@dspace:~$ meld Invalid MIT-MAGIC-COOKIE-1 key/usr/lib/pymodules/python2.6/gtk-2.0/gtk/ GtkWarning: could not open display warnings.warn(str(e), _gtk.Warning) /usr/bin/meld:111: GtkWarning: gtk_icon_theme_get_for_screen: assertion `GDK_IS_SCREEN (screen)’ failed gtk.icon_theme_get_default().append_search_path(meld.paths.icon_dir()) Traceback (most recent […]