Bugzilla Bug 207138

Calculating world dependencies /
!!! Multiple versions within a single package slot have been 
!!! pulled into the dependency graph:

media-libs/libmp4v2:0

  ('ebuild', '/', 'media-libs/libmp4v2-1.5.0.1', 'merge') pulled in by
    ('installed', '/', 'media-video/mpeg4ip-1.5.0.1-r4', 'nomerge')

  ('installed', '/', 'media-libs/libmp4v2-1.5.0.1-r1', 'nomerge') pulled in by
    ('installed', '/', 'media-libs/faac-1.26-r1', 'nomerge')


Reproducible: Always

Steps to Reproduce:
1. emerge --sync
2. emerge -utavDN world
3. ???
4. PROFIT!

Actual Results:  
Failed to generate the dep graph.

Expected Results:  
Should have showed the usual list of packages to upgrade.

Portage 2.1.4 (default-linux/x86/2007.0/desktop, gcc-4.2.2, glibc-2.7-r1,
2.6.24-rc7-zen2 i686)
=================================================================
System uname: 2.6.24-rc7-zen2 i686 Intel(R) Pentium(R) 4 CPU 3.06GHz
Timestamp of tree: Wed, 23 Jan 2008 10:00:01 +0000
app-shells/bash:     3.2_p33
dev-java/java-config: 1.3.7, 2.1.3
dev-lang/python:     2.5.1-r5
sys-apps/baselayout: 1.12.11.1
sys-apps/sandbox:    1.2.18.1-r2
sys-devel/autoconf:  2.13, 2.61-r1
sys-devel/automake:  1.5, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10.1
sys-devel/binutils:  2.18-r1
sys-devel/gcc-config: 1.4.0-r4
sys-devel/libtool:   1.5.24
virtual/os-headers:  2.6.23-r3
ACCEPT_KEYWORDS="x86 ~x86"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-Os -march=pentium4 -pipe"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config
/usr/kde/3.5/shutdown /usr/kde/devel/env /usr/kde/devel/share/config
/usr/kde/devel/shutdown /usr/kde/svn/env /usr/kde/svn/share/config
/usr/kde/svn/shutdown /usr/share/config"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf
/etc/gconf /etc/revdep-rebuild /etc/terminfo /etc/udev /etc/udev/rules.d"
CXXFLAGS="-Os -march=pentium4 -pipe"
DISTDIR="/portagefucking/distfiles"
EMERGE_DEFAULT_OPTS="--with-bdeps y"
FEATURES="distlocks metadata-transfer parallel-fetch sandbox sfperms splitdebug
strict unmerge-orphans userfetch userpriv usersandbox"
GENTOO_MIRRORS="ftp://trumpetti.atm.tut.fi/gentoo/
ftp://gentoo.kems.net/mirrors/gentoo"
LDFLAGS="-Wl,-O1"
MAKEOPTS="-j3"
PKGDIR="/portagefucking/packs"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress
--force --whole-file --delete --stats --timeout=180 --exclude=/distfiles
--exclude=/local --exclude=/packages --filter=H_**/files/digest-*"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/portagefucking/tree"
PORTDIR_OVERLAY="/portagefucking/tree/local/layman/xwing
/portagefucking/tree/local/layman/sabayon
/portagefucking/tree/local/layman/secondlife
/portagefucking/tree/local/layman/sunrise
/portagefucking/tree/local/layman/java-overlay
/portagefucking/tree/local/layman/custom-kernels
/portagefucking/tree/local/layman/kde /portagefucking/tree/local/layman/initng
/portagefucking/tree/local/manual /portagefucking/tree/local/layman/doomports"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="X a52 aac acpi alsa amr apic audacious audiofile avahi avi berkdb bidi
binary-drivers bitmap-fonts bzip2 cairo cdda cdio cdr chardet cli cracklib
crypt cups curl dbus divx4linux dri dts dv dvd dvdread emboss encode evo expat
extensions fam fame ffmpeg firefox flac foomaticdb fortran freetype gdbm
gecko-sdk gif gimp glibc-omitfp glitz glut gnome gnutls gpm gtk hal hashstyle
hou httpd i8x0 iconv idn imagemagick intel ipv6 isdnlog java joystick jpeg
junit kde kdeenablefinal kdehiddenvisibility kqemu lcms listhandler live
lm_sensors logitech-mouse mad matroska mdnsresponder-compat midi mikmod mjpeg
mmx mng mods mozbranding mozdevelop mozilla mp3 mp4 mpeg msn mtrr mudflap
mystatusbox ncurses new-login nls nowin nptl nptlonly nsplugin nvidia offensive
ogg oggvorbis opengl openmp oss pam pcre pdf perl pertty pic png ppds pppd
prediction python qmax qt3 qt3support qt4 quicktime readline reflection
resolvconf restrict-javascript rogue scanner sdl sepandtab session smp sou
spell spl sqlite3 sse sse2 ssl startup-notification stream subtitles subversion
svg svga swscaler tcpd teamarena textures theora threads threadsafe tiff
timidity truetype truetype-fonts type1-fonts unicode usb vcd videos vlm vorbis
webdav win32codecs winbind wma wxwindows x264 x86 xatrix xforms xml xorg xv
xvid zlib" ALSA_CARDS="intel8x0" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix
dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter
mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions
alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file
authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user
autoindex cache dav dav_fs dav_lock deflate dir disk_cache env expires
ext_filter file_cache filter headers include info log_config logio mem_cache
mime mime_magic negotiation rewrite setenvif speling status unique_id userdir
usertrack vhost_alias" ELIBC="glibc" INPUT_DEVICES="keyboard mouse evdev
joystick" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216
lcdm001 mtxorb ncurses text" USERLAND="GNU" VIDEO_CARDS="nv nvidia vesa"
Unset:  CPPFLAGS, CTARGET, INSTALL_MASK, LANG, LC_ALL, LINGUAS,
PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS

oops, fixed