gdb rhythmbox told me to run this:
debuginfo-install adwaita-gtk3-theme-3.6.5-1.mga3.x86_64 dconf-0.14.1-2.mga3.x86_64 glibc-2.17-5.mga3.x86_64 gvfs-1.14.2-4.mga3.x86_64 ibus-gtk3-1.5.1-2.mga3.x86_64 lib64GConf2_4-3.2.6-3.mga3.x86_64 lib64archive12-3.0.4-3.mga3.x86_64 lib64atk-bridge2.0_0-2.6.2-2.mga3.x86_64 lib64atk1.0_0-2.6.0-2.mga3.x86_64 lib64atspi0-2.6.3-2.mga3.x86_64 lib64avahi-client3-0.6.31-2.3.mga3.x86_64 lib64avahi-common3-0.6.31-2.3.mga3.x86_64 lib64avahi-glib1-0.6.31-2.3.mga3.x86_64 lib64brasero-media3_1-3.6.1-3.1.mga3.x86_64 lib64bzip2_1-1.0.6-3.mga3.x86_64 lib64cairo2-1.12.12-1.mga3.x86_64 lib64canberra-gtk3_0-0.30-2.mga3.x86_64 lib64canberra0-0.30-2.mga3.x86_64 lib64croco0.6_3-0.6.8-3.mga3.x86_64 lib64curl4-7.28.1-6.1.mga3.x86_64 lib64dbus-glib1_2-0.100.2-1.mga3.x86_64 lib64dbus1_3-1.6.8-4.1.mga3.x86_64 lib64dmapsharing3.0_2-2.9.16-3.mga3.x86_64 lib64drm2-2.4.43-4.mga3.x86_64 lib64enchant1-1.6.0-8.mga3.x86_64 lib64ext2fs2-1.42.7-1.mga3.x86_64 lib64ffi6-3.0.11-3.mga3.x86_64 lib64fontconfig1-2.10.2-2.mga3.x86_64 lib64freetype6-2.4.11-2.mga3.tainted.x86_64 lib64gail3_0-3.6.4-1.mga3.x86_64 lib64gbm1-9.1.3-1.1.mga3.tainted.x86_64 lib64gcrypt11-1.5.3-1.mga3.x86_64 lib64gdk_pixbuf2.0_0-2.26.5-2.mga3.x86_64 lib64gdk_pixbuf2.0_0-loaders-png15-2.26.5-2.mga3.x86_64 lib64geoclue0-0.12.99-3.mga3.x86_64 lib64gio2.0_0-2.34.3-4.mga3.x86_64 lib64girepository1.0_1-1.34.2-2.mga3.x86_64 lib64glapi0-9.1.3-1.1.mga3.tainted.x86_64 lib64glib-networking-2.34.2-2.mga3.x86_64 lib64glib2.0_0-2.34.3-4.mga3.x86_64 lib64gmime2.6_0-2.6.13-3.mga3.x86_64 lib64gnome-keyring0-3.6.0-2.mga3.x86_64 lib64gpg-error0-1.10-3.mga3.x86_64 lib64gpod4-0.8.2-5.mga3.x86_64 lib64graphite2_3-1.2.0-2.mga3.x86_64 lib64gstreamer-plugins-base1.0_0-1.0.5-2.mga3.x86_64 lib64gstreamer1.0_0-1.0.5-2.mga3.x86_64 lib64gtk+3_0-3.6.4-1.mga3.x86_64 lib64gudev1.0_0-195-22.mga3.x86_64 lib64gvfscommon0-1.14.2-4.mga3.x86_64 lib64harfbuzz0-0.9.10-3.mga3.x86_64 lib64ibus1.0_5-1.5.1-2.mga3.x86_64 lib64ice6-1.0.8-3.mga3.x86_64 lib64icu50-50.1.2-1.mga3.x86_64 lib64idn11-1.26-2.mga3.x86_64 lib64imobiledevice3-1.1.4-4.1.mga3.x86_64 lib64javascriptcoregtk3.0_0-1.10.2-5.mga3.x86_64 lib64jpeg8-1.2.1-4.mga3.x86_64 lib64json-glib1.0_0-0.15.2-2.mga3.x86_64 lib64krb53-1.11.1-1.2.mga3.x86_64 lib64ldap2.4_2-2.4.33-7.mga3.x86_64 lib64ltdl7-2.4.2-10.mga3.x86_64 lib64lua5.1-5.1.5-2.1.mga3.x86_64 lib64lzma5-5.1.2-0.alpha.3.mga3.x86_64 lib64mesaegl1-9.1.3-1.1.mga3.tainted.x86_64 lib64mesagl1-9.1.3-1.1.mga3.tainted.x86_64 lib64mtp9-1.1.6-1.mga3.x86_64 lib64ncursesw5-5.9-10.mga3.x86_64 lib64notify4-0.7.5-2.mga3.x86_64 lib64ogg0-1.3.0-2.mga3.x86_64 lib64openssl1.0.0-1.0.1e-1.mga3.x86_64 lib64orc0.4_0-0.4.16-3.mga3.x86_64 lib64pango1.0_0-1.32.5-3.mga3.x86_64 lib64pango1.0_0-modules-1.32.5-3.mga3.x86_64 lib64pcre1-8.32-9.mga3.x86_64 lib64peas-gtk1.0_0-1.6.2-2.mga3.x86_64 lib64peas1.0_0-1.6.2-2.mga3.x86_64 lib64pixman1_0-0.28.2-2.mga3.x86_64 lib64plist1-1.8-2.mga3.x86_64 lib64png15_15-1.5.13-2.mga3.x86_64 lib64proxy1-0.4.11-3.mga3.x86_64 lib64pyglib-gi2.0_0-3.4.2-2.mga3.x86_64 lib64python2.7-2.7.5-1.2.mga3.x86_64 lib64quvi7-0.4.1-2.mga3.x86_64 lib64readline6-6.2-7.mga3.x86_64 lib64rsvg2_2-2.36.4-2.mga3.x86_64 lib64sasl2-2.1.25-12.mga3.x86_64 lib64secret1_0-0.14-1.mga3.x86_64 lib64sm6-1.2.1-4.mga3.x86_64 lib64soup2.4_1-2.40.2-2.mga3.x86_64 lib64sqlite3_0-3.7.16.1-1.mga3.x86_64 lib64ssh2_1-1.4.3-2.mga3.x86_64 lib64tdb1-1.2.11-2.mga3.x86_64 lib64totem-plparser17-3.4.3-2.mga3.x86_64 lib64udev1-195-22.mga3.x86_64 lib64usb1.0_0-1.0.14-2.mga3.x86_64 lib64usbmuxd2-1.0.8-3.mga3.x86_64 lib64uuid1-2.22.2-5.mga3.x86_64 lib64vorbis0-1.3.3-3.mga3.x86_64 lib64vorbisfile3-1.3.3-3.mga3.x86_64 lib64wayland-client0-1.0.3-4.mga3.x86_64 lib64wayland-cursor0-1.0.3-4.mga3.x86_64 lib64wayland-server0-1.0.3-4.mga3.x86_64 lib64webkitgtk3.0_0-1.10.2-5.mga3.x86_64 lib64x11_6-1.6.0-1.mga3.x86_64 lib64xau6-1.0.7-2.mga3.x86_64 lib64xcb-dri2_0-1.9.1-1.mga3.x86_64 lib64xcb-glx0-1.9.1-1.mga3.x86_64 lib64xcb-render0-1.9.1-1.mga3.x86_64 lib64xcb-shm0-1.9.1-1.mga3.x86_64 lib64xcb-xfixes0-1.9.1-1.mga3.x86_64 lib64xcb1-1.9.1-1.mga3.x86_64 lib64xcomposite1-0.4.4-3.mga3.x86_64 lib64xcursor1-1.1.14-1.mga3.x86_64 lib64xdamage1-1.1.4-3.mga3.x86_64 lib64xdmcp6-1.1.1-3.mga3.x86_64 lib64xext6-1.3.2-1.mga3.x86_64 lib64xfixes3-5.0.1-1.mga3.x86_64 lib64xi6-1.6.2.901-1.mga3.x86_64 lib64xinerama1-1.1.3-1.mga3.x86_64 lib64xkbcommon0-0.2.0-2.mga3.x86_64 lib64xml2_2-2.9.0-5.2.mga3.x86_64 lib64xrandr2-1.4.1-1.mga3.x86_64 lib64xrender1-0.9.8-1.mga3.x86_64 lib64xslt1-1.1.28-2.mga3.x86_64 lib64xt6-1.1.4-1.mga3.x86_64 lib64xxf86vm1-1.1.3-1.mga3.x86_64 lib64zlib1-1.2.7-7.mga3.x86_64 libgcc1-4.7.2-7.mga3.x86_64 libstdc++6-4.7.2-7.mga3.x86_64 python-2.7.5-1.2.mga3.x86_64 python-gi-3.4.2-2.mga3.x86_64


It failed with this error:
Kein Paket mit dem Namen libxkbcommon-debuginfo gefunden
Something went wrong, make sure your Debug media are configured
properly


So the package libxkbcommon-debuginfo was missing, I guess it is the debuginfo package for lib64xkbcommon0.