'emerge -v --update --newuse --deep --with-bdeps=y --keep-going --backtrack=30 @world' fails with: root@lynx:/root(9)# emerge -v --update --newuse --deep --with-bdeps=y --keep-going --backtrack=30 @world These are the packages that would be merged, in order: Calculating dependencies... done! [ebuild U ] media-sound/pulseaudio-12.0-r1::gentoo [11.99.1-r1::gentoo] USE="X alsa alsa-plugin asyncns bluetooth caps dbus doc gdbm glib gtk ipv6 orc qt5 sox ssl systemd tcpd udev webrtc-aec -equalizer -gconf% -jack -libressl -libsamplerate -lirc -native-headset (-neon) -ofono-headset (-oss) -realtime (-selinux) (-system-wide) {-test} -zeroconf (-gnome%*) (-gsettings%)" ABI_X86="32 (64) (-x32)" 0 KiB [ebuild U ] media-sound/paprefs-0.9.11_pre20180621::gentoo [0.9.10::gentoo] USE="nls" 0 KiB [ebuild U ] media-plugins/gst-plugins-meta-1.14.1:1.0::gentoo [1.12.4:1.0::gentoo] USE="X a52 aac alsa cdda dts dv dvb dvd ffmpeg flac http lame mp3 mpeg ogg pulseaudio theora v4l vaapi vorbis vpx x264 -jack -libass -libvisual -mms -modplug -opus -oss -taglib -vcd -wavpack" ABI_X86="32 (64) (-x32)" 0 KiB [ebuild U ] media-sound/soundconverter-3.0.0::gentoo [3.0.0_beta1::gentoo] USE="aac flac libnotify mp3 ogg vorbis -opus" PYTHON_SINGLE_TARGET="python3_5 -python3_4 -python3_6" PYTHON_TARGETS="python3_5 python3_6 -python3_4" 0 KiB Total: 4 packages (4 upgrades), Size of downloads: 0 KiB !!! Multiple package instances within a single package slot have been pulled !!! into the dependency graph, resulting in a slot conflict: media-sound/pulseaudio:0 (media-sound/pulseaudio-12.0-r1:0/0::gentoo, ebuild scheduled for merge) pulled in by >=media-sound/pulseaudio-12.0-r1[glib] required by (media-sound/paprefs-0.9.11_pre20180621:0/0::gentoo, ebuild scheduled for merge) ^^ ^^^^^^^ (media-sound/pulseaudio-11.99.1-r1:0/0::gentoo, installed) pulled in by media-sound/pulseaudio[gnome] required by (kde-plasma/plasma-pa-5.12.5:5/5::gentoo, installed) It is a little bit strange, that a kde packages requires the installation of pulseaudio with the gnome USE flag.
Duplicate of bug 658660.
Please search for existing bugs. *** This bug has been marked as a duplicate of bug 658660 ***