So why is this a constant problem with my Sabayon box, yet never happens on my Gentoo box?
When running revdep-rebuild after 'emerge -auvDN world' I get:
/usr/lib/ardour2/ardour-2.7.1 -> (none)
/usr/lib/ardour2/libardour_cp.so -> (none)
/usr/lib/ardour2/libardour.so -> (none)
/usr/lib/ardour2/surfaces/libardour_genericmidi.so -> (none)
/usr/lib/ardour2/surfaces/libardour_mackie.so -> (none)
/usr/lib/ardour2/surfaces/libardour_powermate.so -> (none)
/usr/lib/ardour2/surfaces/libardour_tranzport.so -> (none)
/usr/lib/audacious/Input/musepack.so -> (none)
/usr/lib/gstreamer-0.10/libgstmusepack.so -> (none)
/usr/lib/kde3/libamarok_ifp-mediadevice.so -> (none)
/usr/lib/kde3/libamarok_mtp-mediadevice.so -> (none)
/usr/lib/libautotrace.so.3.0.0 -> (none)
/usr/lib/libproxy/0.2.3/plugins/mozjs.so -> (none)
/usr/lib/libSDL_mixer-1.2.so.0.2.6 -> (none)
/usr/lib/libxmlsec1-nss.so.1.2.11 -> (none)
/usr/lib/mozilla-thunderbird/components/libaccessibility.so -> (none)
/usr/lib/mozilla-thunderbird/components/libappcomps.so -> (none)
/usr/lib/mozilla-thunderbird/components/libauth.so -> (none)
/usr/lib/mozilla-thunderbird/components/libautoconfig.so -> (none)
/usr/lib/mozilla-thunderbird/components/libcaps.so -> (none)
/usr/lib/mozilla-thunderbird/components/libchrome.so -> (none)
/usr/lib/mozilla-thunderbird/components/libcommandlines.so -> (none)
/usr/lib/mozilla-thunderbird/components/libcomposer.so -> (none)
/usr/lib/mozilla-thunderbird/components/libdocshell.so -> (none)
/usr/lib/mozilla-thunderbird/components/libeditor.so -> (none)
/usr/lib/mozilla-thunderbird/components/libembedcomponents.so -> (none)
/usr/lib/mozilla-thunderbird/components/libfileview.so -> (none)
/usr/lib/mozilla-thunderbird/components/libgfx_gtk.so -> (none)
/usr/lib/mozilla-thunderbird/components/libgfxps.so -> (none)
/usr/lib/mozilla-thunderbird/components/libgklayout.so -> (none)
/usr/lib/mozilla-thunderbird/components/libhtmlpars.so -> (none)
/usr/lib/mozilla-thunderbird/components/libi18n.so -> (none)
/usr/lib/mozilla-thunderbird/components/libimglib2.so -> (none)
/usr/lib/mozilla-thunderbird/components/libimport.so -> (none)
/usr/lib/mozilla-thunderbird/components/libjar50.so -> (none)
/usr/lib/mozilla-thunderbird/components/libjsd.so -> (none)
/usr/lib/mozilla-thunderbird/components/libmailcomps.so -> (none)
/usr/lib/mozilla-thunderbird/components/libmail.so -> (none)
/usr/lib/mozilla-thunderbird/components/libmork.so -> (none)
/usr/lib/mozilla-thunderbird/components/libmozfind.so -> (none)
/usr/lib/mozilla-thunderbird/components/libmsgsmime.so -> (none)
/usr/lib/mozilla-thunderbird/components/libmyspell.so -> (none)
/usr/lib/mozilla-thunderbird/components/libnecko2.so -> (none)
/usr/lib/mozilla-thunderbird/components/libnecko.so -> (none)
/usr/lib/mozilla-thunderbird/components/libnsappshell.so -> (none)
/usr/lib/mozilla-thunderbird/components/libpipboot.so -> (none)
/usr/lib/mozilla-thunderbird/components/libpipnss.so -> (none)
/usr/lib/mozilla-thunderbird/components/libpippki.so -> (none)
/usr/lib/mozilla-thunderbird/components/libpref.so -> (none)
/usr/lib/mozilla-thunderbird/components/librdf.so -> (none)
/usr/lib/mozilla-thunderbird/components/libremoteservice.so -> (none)
/usr/lib/mozilla-thunderbird/components/libspellchecker.so -> (none)
/usr/lib/mozilla-thunderbird/components/libstoragecomps.so -> (none)
/usr/lib/mozilla-thunderbird/components/libsystem-pref.so -> (none)
/usr/lib/mozilla-thunderbird/components/libtoolkitcomps.so -> (none)
/usr/lib/mozilla-thunderbird/components/libtransformiix.so -> (none)
/usr/lib/mozilla-thunderbird/components/libtxmgr.so -> (none)
/usr/lib/mozilla-thunderbird/components/libuconv.so -> (none)
/usr/lib/mozilla-thunderbird/components/libuniversalchardet.so -> (none)
/usr/lib/mozilla-thunderbird/components/libwallet.so -> (none)
/usr/lib/mozilla-thunderbird/components/libwalletviewers.so -> (none)
/usr/lib/mozilla-thunderbird/components/libwebbrwsr.so -> (none)
/usr/lib/mozilla-thunderbird/components/libwebsrvcs.so -> (none)
/usr/lib/mozilla-thunderbird/components/libwidget_gtk2.so -> (none)
/usr/lib/mozilla-thunderbird/components/libxmlextras.so -> (none)
/usr/lib/mozilla-thunderbird/components/libxpcom_compat_c.so -> (none)
/usr/lib/mozilla-thunderbird/components/libxpconnect.so -> (none)
/usr/lib/mozilla-thunderbird/components/libxpinstall.so -> (none)
/usr/lib/mozilla-thunderbird/extensions/{847b3a00-7ab1-11d4-8f02-006008948af5}/platform/Linux_x86_64-gcc3/components/libenigmime.so -> (none)
/usr/lib/mozilla-thunderbird/libgfxpsshar.so -> (none)
/usr/lib/mozilla-thunderbird/libgkgfx.so -> (none)
/usr/lib/mozilla-thunderbird/libgtkembedmoz.so -> (none)
/usr/lib/mozilla-thunderbird/libmozjs.so -> (none)
/usr/lib/mozilla-thunderbird/libxpcom_compat.so -> (none)
/usr/lib/mozilla-thunderbird/libxpcom_core.so -> (none)
/usr/lib/mozilla-thunderbird/libxpcom.so -> (none)
/usr/lib/mozilla-thunderbird/libxpistub.so -> (none)
/usr/lib/mozilla-thunderbird/mozilla-xremote-client -> (none)
/usr/lib/mozilla-thunderbird/regxpcom -> (none)
/usr/lib/mozilla-thunderbird/TestGtkEmbed -> (none)
/usr/lib/mozilla-thunderbird/thunderbird-bin -> (none)
/usr/lib/mozilla-thunderbird/xpcshell -> (none)
/usr/lib/nsbrowser/plugins/libvlcplugin.la -> (none)
/usr/lib/nsbrowser/plugins/libvlcplugin.so -> (none)
/usr/lib/osgPlugins-2.8.0/osgdb_gecko.so -> (none)
/usr/lib/pidgin/encrypt.so -> (none)
/usr/lib/python2.5/site-packages/partedmodule.so -> (none)
/usr/lib/python2.6/site-packages/gtk-2.0/gtkmozembed.la -> (none)
/usr/lib/tunepimp/plugins/mpc.tpp -> (none)
/usr/lib/vlc/demux/libmpc_plugin.so -> (none)
/usr/lib/xulrunner/components/libauth.so -> (none)
/usr/lib/xulrunner/components/libautoconfig.so -> (none)
/usr/lib/xulrunner/components/libcookie.so -> (none)
/usr/lib/xulrunner/components/libfileview.so -> (none)
/usr/lib/xulrunner/components/libmyspell.so -> (none)
/usr/lib/xulrunner/components/libpermissions.so -> (none)
/usr/lib/xulrunner/components/libpipboot.so -> (none)
/usr/lib/xulrunner/components/libpipnss.so -> (none)
/usr/lib/xulrunner/components/libpippki.so -> (none)
/usr/lib/xulrunner/components/libspellchecker.so -> (none)
/usr/lib/xulrunner/components/libsystem-pref.so -> (none)
/usr/lib/xulrunner/components/libtransformiix.so -> (none)
/usr/lib/xulrunner/components/libuniversalchardet.so -> (none)
/usr/lib/xulrunner/components/libwebsrvcs.so -> (none)
/usr/lib/xulrunner/components/libxmlextras.so -> (none)
/usr/lib/xulrunner/components/libxpctools.so -> (none)
/usr/lib/xulrunner/components/libxulutil.so -> (none)
/usr/lib/xulrunner/libgtkembedmoz.so.1 -> (none)
/usr/lib/xulrunner/libmozjs.so.1 -> (none)
/usr/lib/xulrunner/libxpcomglue.so.1 -> (none)
/usr/lib/xulrunner/libxpcom.so.1 -> (none)
/usr/lib/xulrunner/libxul.so.1 -> (none)
/usr/lib/xulrunner/mozilla-xremote-client -> (none)
/usr/lib/xulrunner/plugins/libnullplugin.so -> (none)
/usr/lib/xulrunner/plugins/libunixprintplugin.so -> (none)
/usr/lib/xulrunner/TestGtkEmbed -> (none)
/usr/lib/xulrunner/xulrunner-bin -> (none)
This is one of the shorter lists. One time revdep-rebuild was listing the packages with no owners for 4 hours when I just turned the computer off and restored the file system from back ups.
Thanks, Skippy

