I discussed this with ibus developer: https://code.google.com/p/ibus/issues/detail?id=1612 He says it's a bug in vala. Reproducible: Always Steps to Reproduce: 1. Update to vala-0.20.0, rebuild app-i18n/ibus. 2. Launch ibus-daemon 3. $ /usr/libexec/ibus-ui-gtk3 (ibus-ui-gtk3:24906): IBUS-WARNING **: ibus_bus_call_sync: org.freedesktop.IBus.GetGlobalEngine: GDBus.Error:org.freedesktop.DBus.Error.Failed: No global engine. zsh: segmentation fault /usr/libexec/ibus-ui-gtk3 Portage 2.2.0_alpha171 (default/linux/amd64/13.0/desktop/kde, gcc-4.7.2, glibc-2.17, 3.8.5-gentoomelf x86_64) ================================================================= System uname: Linux-3.8.5-gentoomelf-x86_64-Intel-R-_Core-TM-_i5-2400_CPU_@_3.10GHz-with-gentoo-2.2 KiB Mem: 16414312 total, 12439604 free KiB Swap: 5242876 total, 5242876 free Timestamp of tree: Wed, 10 Apr 2013 15:45:01 +0000 ld GNU ld (GNU Binutils) 2.23.1 app-shells/bash: 4.2_p45 dev-lang/python: 2.7.3-r3, 3.2.3-r2 dev-util/cmake: 2.8.10.2-r1 dev-util/pkgconfig: 0.28 sys-apps/baselayout: 2.2 sys-apps/openrc: 0.11.8 sys-apps/sandbox: 2.6-r1 sys-devel/autoconf: 2.13, 2.69 sys-devel/automake: 1.9.6-r3, 1.11.6, 1.13.1 sys-devel/binutils: 2.23.1 sys-devel/gcc: 4.7.2-r1 sys-devel/gcc-config: 1.8 sys-devel/libtool: 2.4.2 sys-devel/make: 3.82-r4 sys-kernel/linux-headers: 3.8 (virtual/os-headers) sys-libs/glibc: 2.17 Repositories: gentoo custom Installed sets: @fonts, @kde, @vim ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="@FREE NVIDIA-r1 skype-4.0.0.7-copyright AdobeFlash-11.x MPEG-4 myspell-ru_RU-ALexanderLebedev grass-ipafonts BitstreamCyberbit freedist fairuse free-noncomm MSttfEULA vim.org as-is IUPAC-InChi CC-BY-NC-ND-3.0 NEWLIB LIBGLOSS" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=native -mtune=native" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/ibus/component/simple.xml /usr/share/polkit-1/actions" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXXFLAGS="-O2 -pipe -march=native -mtune=native" DISTDIR="/usr/portage/distfiles" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://mirror.yandex.ru/gentoo-distfiles/ http://trumpetti.atm.tut.fi/gentoo/" LANG="ru_RU.utf8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j5" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://mirror.yandex.ru/gentoo-portage/" USE="X a52 aac acl acpi alsa amd64 anthy bash-completion bluetooth branding bzip2 cairo cdda cdr cjk cli cracklib crypt cups cxx dbus declarative directfb djvu dri dts dvd dvdr efi emboss encode exif fam fbcon ffmpeg firefox flac fortran gdbm gif gpm gstreamer gtk iconv icu idn introspection ipv6 jpeg kde kipi lame lcms libcaca libnotify lm_sensors mad matroska mmx mng modules mp3 mp4 mpeg mudflap multilib ncurses nls nptl ogg opengl openmp pam pango pcre pdf perl phonon plasma png policykit ppds python qt3support qt4 raw readline samba scanner sdl semantic-desktop session spell sse sse2 ssl startup-notification svg systemd tcpd tiff truetype udev udisks unicode upower usb vdpau vorbis wxwidgets x264 xcb xcomposite xinerama xml xscreensaver xv xvid zlib zsh-completion" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd 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 cgi cgid 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" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en en_GB ru ja" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-3" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_2" RUBY_TARGETS="ruby18 ruby19" SANE_BACKENDS="genesys" USERLAND="GNU" VIDEO_CARDS="nvidia nouveau" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
(In reply to comment #0) > I discussed this with ibus developer: > https://code.google.com/p/ibus/issues/detail?id=1612 > He says it's a bug in vala. Then, this should be assigned to vala maintainer?
Per https://code.google.com/p/ibus/issues/detail?id=1612#c25 looks like this will be solved when we bump to 0.20.1 Thanks for the investigation
0.20.1 just bumped
