When running firefox, it randomly crashes with things like (firefox:17779): Gdk-CRITICAL **: gdk_x11_xatom_to_atom_for_display: assertion `xatom != None' failed cairo.c:218: cairo_destroy: Assertion `((*&(&cr->ref_count)->ref_count) > 0)' failed and similar. If you tell how I can help more with debug I will do so. $ emerge --info Portage 2.2_rc40 (default/linux/amd64/10.0, gcc-4.4.1-asneeded, glibc-2.10.1-r0, 2.6.30-gentoo-r4 x86_64) ================================================================= System uname: Linux-2.6.30-gentoo-r4-x86_64-Intel-R-_Core-TM-2_Quad_CPU_Q6600_@_2.40GHz-with-gentoo-2.0.1 Timestamp of tree: Tue, 25 Aug 2009 14:15:01 +0000 distcc 3.1 x86_64-pc-linux-gnu [disabled] ccache version 2.4 [enabled] app-shells/bash: 3.2_p39 dev-java/java-config: 2.1.8-r1 dev-lang/python: 2.6.2-r1, 3.1.1 dev-python/pycrypto: 2.0.1-r8 dev-util/ccache: 2.4-r8 dev-util/cmake: 2.6.4-r2 sys-apps/baselayout: 2.0.1 sys-apps/openrc: 0.4.3-r3 sys-apps/sandbox: 1.6-r2 sys-devel/autoconf: 2.13, 2.63-r1 sys-devel/automake: 1.7.9-r1, 1.9.6-r2, 1.10.2 sys-devel/binutils: 2.18-r3 sys-devel/gcc-config: 1.4.1 sys-devel/libtool: 2.2.6a virtual/os-headers: 2.6.30-r1 ABI="amd64" ACCEPT_KEYWORDS="amd64" ALSA_CARDS="hda-intel" 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" ANT_HOME="/usr/share/ant" 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" APBS_PSIZE="/usr/lib64/python2.6/site-packages/pdb2pqr/src/psize.py" ARCH="amd64" ASFLAGS_x86="--32" AUTOCLEAN="yes" CBUILD="x86_64-pc-linux-gnu" CCACHE_DIR="/home/ccache64" CCACHE_SIZE="3G" CDEFINE_amd64="__x86_64__" CDEFINE_x86="__i386__" CFLAGS="-O2 -march=core2 -pipe -fomit-frame-pointer -mssse3 -mcx16 -mmmx -ftree-vectorize -g" CFLAGS_x86="-m32" CHOST="x86_64-pc-linux-gnu" CHOST_amd64="x86_64-pc-linux-gnu" CHOST_x86="i686-pc-linux-gnu" CLEAN_DELAY="5" COLLISION_IGNORE="/lib/modules" COLORFGBG="7;0" COLORTERM="rxvt" COLUMNS="279" CONFIG_PROTECT="/etc /usr/share/hddtemp/ /usr/share/nano /var/lib/hsqldb" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/splash /etc/terminfo /etc/udev/rules.d" CPATH="/opt/intel/Compiler/11.1/046/tbb/include" CVS_RSH="ssh" CXXFLAGS="-O2 -march=core2 -pipe -fomit-frame-pointer -mssse3 -mcx16 -mmmx -ftree-vectorize -g" DBUS_SESSION_BUS_ADDRESS="unix:abstract=/tmp/dbus-f3eym6sVYU,guid=ee97bb62d75950fab87590154a9426f8" DCCC_PATH="/usr/lib64/distcc/bin" DEFAULT_ABI="amd64" DESKTOP_SESSION="gnome" DISPLAY=":0.0" DISTCC_LOG="" DISTCC_VERBOSE="" DISTDIR="/usr/portage/distfiles" DYLD_LIBRARY_PATH="/opt/intel/Compiler/11.1/046/tbb/em64t/cc4.1.0_libc2.4_kernel2.6.16.21/lib" EBZR_STORE_DIR="/data/bzr-src/" ECHANGELOG_USER="Justin Lecher (jlec) <jlec@j-schmitz.net>" EDITOR="/bin/nano" EGIT_STORE_DIR="/data/git-src/" ELIBC="glibc" EMERGE_DEFAULT_OPTS="--verbose --jobs=7 --load-average=8 --keep-going -t" EMERGE_WARNING_DELAY="10" ESVN_STORE_DIR="/data/svn-src/" FCFLAGS="-O2 -march=core2 -pipe -fomit-frame-pointer -mssse3 -mcx16 -mmmx -ftree-vectorize -g" FEATURES="assume-digests ccache collision-protect distlocks fixpackages multilib-strict noinfo parallel-fetch preserve-libs protect-owned sandbox sfperms splitdebug strict unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync" FETCHCOMMAND="/usr/bin/axel -a -o ${DISTDIR}/${FILE} ${URI}" FFLAGS="-O2 -march=core2 -pipe -fomit-frame-pointer -mssse3 -mcx16 -mmmx -ftree-vectorize -g" GCC_SPECS="/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.1/asneeded.specs" GDK_USE_XFT="1" GDMSESSION="gnome" GDM_LANG="en_US.UTF-8" GDM_XSERVER_LOCATION="local" GENTOO_MIRRORS="http://gentoo.j-schmitz.net/mirror/ ftp://ftp.gentoo.mesh-solutions.com/gentoo/ ftp://ftp.tu-clausthal.de/pub/linux/gentoo/ ftp://de-mirror.org/distro/gentoo/ ftp://linux.rz.ruhr-uni-bochum.de/gentoo-mirror/" GNOME_DESKTOP_SESSION_ID="this-is-deprecated" GNOME_KEYRING_PID="4368" GNOME_KEYRING_SOCKET="/tmp/keyring-iTFqDU/socket" GPG_AGENT_INFO="/tmp/seahorse-IdmOzF/S.gpg-agent:4417:1" GTK_RC_FILES="/etc/gtk/gtkrc:/home/justin/.gtkrc-1.2-gnome2" HISTCONTROL="ignoredups" HISTFILESIZE="2000" HISTIGNORE="fg:bg" HISTSIZE="2000" HOME="/home/justin" INFOPATH="/usr/share/info:/usr/share/binutils-data/x86_64-pc-linux-gnu/2.18/info:/usr/share/gcc-data/x86_64-pc-linux-gnu/4.4.1/info" INPUT_DEVICES="keyboard mouse evdev" INTEL_LICENSE_FILE="/opt/intel/Compiler/11.1/046/licenses:/opt/intel/licenses" I_KNOW_WHAT_I_AM_DOING="yes" JAVAC="/home/justin/.gentoo/java-config-2/current-user-vm/bin/javac" JAVACC_HOME="/usr/share/javacc/" JAVA_HOME="/home/justin/.gentoo/java-config-2/current-user-vm" JDK_HOME="/home/justin/.gentoo/java-config-2/current-user-vm" KERNEL="linux" LANG="en_GB.UTF-8" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LC_CTYPE="en_GB.UTF-8" LDFLAGS="-Wl,-O1,--hash-style=gnu,--sort-common,--as-needed" LDFLAGS_x86="-m elf_i386" LD_LIBRARY_PATH="/opt/intel/Compiler/11.1/046/lib/intel64:/opt/intel/Compiler/11.1/046/tbb/em64t/cc4.1.0_libc2.4_kernel2.6.16.21/lib" LESS="-R -M --shift 5" LESSOPEN="|lesspipe.sh %s" LIBDIR_amd64="lib64" LIBDIR_amd64_fbsd="lib64" LIBDIR_ppc="lib32" LIBDIR_ppc64="lib64" LIBDIR_sparc32="lib32" LIBDIR_sparc64="lib64" LIBDIR_x86="lib32" LIBDIR_x86_fbsd="lib32" LIBRARY_PATH="/opt/intel/Compiler/11.1/046/lib/intel64:/opt/intel/Compiler/11.1/046/tbb/em64t/cc4.1.0_libc2.4_kernel2.6.16.21/lib" LINES="80" LINGUAS="en" LOGNAME="justin" LS_COLORS="rs=0:di=01;34:ln=01;36:hl=44;37:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.lzma=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.rar=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.axv=01;35:*.anx=01;35:*.ogv=01;35:*.ogx=01;35:*.pdf=00;32:*.ps=00;32:*.txt=00;32:*.patch=00;32:*.diff=00;32:*.log=00;32:*.tex=00;32:*.doc=00;32:*.aac=00;36:*.au=00;36:*.flac=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.axa=00;36:*.oga=00;36:*.spx=00;36:*.xspf=00;36:" MAKEOPTS="-j12 -l8" MANPATH="/home/justin/.gentoo/java-config-2/current-user-vm/man:/usr/local/share/man:/usr/share/man:/usr/share/binutils-data/x86_64-pc-linux-gnu/2.18/man:/usr/share/gcc-data/x86_64-pc-linux-gnu/4.4.1/man:/opt/intel/Compiler/11.1/046/man/en_US:/opt/intel/fce/10.1.018/man:/etc/java-config/system-vm/man/:/opt/vmware/server/man" MULTILIB_ABIS="amd64 x86" MULTILIB_STRICT_DENY="64-bit.*shared object" MULTILIB_STRICT_DIRS="/lib32 /lib /usr/lib32 /usr/lib /usr/kde/*/lib32 /usr/kde/*/lib /usr/qt/*/lib32 /usr/qt/*/lib /usr/X11R6/lib32 /usr/X11R6/lib" MULTILIB_STRICT_EXEMPT="(perl5|gcc|gcc-lib|binutils|eclipse-3|debug|portage)" NETBEANS="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml" NLSPATH="/opt/intel/Compiler/11.1/046/lib/intel64/locale/%l_%t/%N" NOCOLOR="true" OMP_NUM_THREADS="4" OPENGL_PROFILE="nvidia" ORBIT_SOCKETDIR="/tmp/orbit-justin" PAGER="/usr/bin/less" PATH="/data/scripts:/usr/local/bin:/usr/bin:/bin:/opt/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/4.4.1:/opt/intel/Compiler/11.1/046/bin/intel64:/opt/intel/fce/10.1.018/bin:/usr/games/bin:/opt/vmware/server/bin:/opt/vmware/vix/bin:/data/scripts/" PKGDIR="/usr/portage/packages" PORTAGE_ARCHLIST="ppc x86-openbsd ppc-openbsd ppc64 x86-winnt x86-fbsd ppc-aix alpha arm x86-freebsd s390 amd64 x86-macos x64-openbsd ia64-hpux hppa x86-netbsd amd64-linux ia64-linux x86 sparc-solaris x64-freebsd sparc64-solaris x86-linux x64-macos sparc m68k-mint ia64 mips ppc-macos x86-interix hppa-hpux amd64-fbsd x64-solaris mips-irix m68k sh x86-solaris sparc-fbsd" PORTAGE_BINHOST_CHUNKSIZE="3000" PORTAGE_BIN_PATH="/usr/lib64/portage/bin" PORTAGE_COMPRESS_EXCLUDE_SUFFIXES="css gif htm[l]? jp[e]?g js pdf png" PORTAGE_CONFIGROOT="/" PORTAGE_DEBUG="0" PORTAGE_DEPCACHEDIR="/var/cache/edb/dep" PORTAGE_ELOG_CLASSES="info warn error log qa *" PORTAGE_ELOG_MAILFROM="portage@localhost" PORTAGE_ELOG_MAILSUBJECT="[portage] ebuild log for ${PACKAGE} on ${HOST}" PORTAGE_ELOG_MAILURI="root" PORTAGE_ELOG_SYSTEM="save echo" PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS="5" PORTAGE_FETCH_RESUME_MIN_SIZE="350K" PORTAGE_GID="250" PORTAGE_INST_GID="0" PORTAGE_INST_UID="0" PORTAGE_PYM_PATH="/usr/lib64/portage/pym" PORTAGE_REPO_DUPLICATE_WARN="0" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_RSYNC_RETRIES="3" PORTAGE_TMPDIR="/var/tmp" PORTAGE_VERBOSE="1" PORTAGE_WORKDIR_MODE="0700" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/data/layman/java-overlay /data/layman/sping /data/layman/science /data/local/molmod/trunk /data/local/molmod/branches /data/local/sunrise/sunrise /data/local/sunrise/reviewed /data/local/dberkholz /data/local/allenjb /data/local/java-experimental /data/local/science /data/local/private-overlay" PRELINK_PATH_MASK="/lib/modules:/usr/lib/locale:/usr/lib/wine:/usr/lib/valgrind:*.la:*.png:*.py:*.pl:*.pm:*.sh:*.xml:*.xslt:*.a:*.js:/usr/lib64/klibc" PROFILE_ONLY_VARIABLES="ARCH ELIBC KERNEL USERLAND" PWD="/home/justin" PYMOL_DATA="/usr/share/pymol/data" PYMOL_PATH="/usr/lib64/python2.6/site-packages/pymol" PYMOL_SCRIPTS="/usr/share/pymol/scripts" QUICKPKG_DEFAULT_OPTS="--umask=0011 --include-config=y" RESUMECOMMAND="/usr/bin/axel -a -o ${DISTDIR}/${FILE} ${URI}" ROOT="/" ROOTPATH="/opt/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/4.4.1:/opt/intel/Compiler/11.1/046/bin/intel64:/opt/intel/fce/10.1.018/bin:/opt/vmware/server/bin:/opt/vmware/vix/bin:/data/scripts/" RPMDIR="/usr/portage/rpm" SESSION_MANAGER="local/whitebox:@/tmp/.ICE-unix/4380,unix/whitebox:/tmp/.ICE-unix/4380" SHELL="/bin/bash" SHLVL="2" SSH_AGENT_PID="4418" SSH_AUTH_SOCK="/tmp/keyring-iTFqDU/socket.ssh" STAGE1_USE="multilib nptl nptlonly unicode" SYMLINK_LIB="yes" SYNC="rsync://rsync.j-schmitz.net/gentoo-portage" TERM="rxvt-unicode" USE="7zip X acl acpi additions alsa amd64 automount bash-completion berkdb blas branding bzip2 cairo cblas cli cracklib cups custom-optimization cxx dbus deprecated discouraged double-precision dri dts dvb dvdr emboss fastcgi fbcon fbcondecor fbsplash fftw fortran gd gdbm gecko gif glibc-omitfp gmp gnome gnome-keyring gpm grub gtk hal hddtemp icc iconv ifc imlib isdnlog java javascript jpeg lapack largefile libsexy libv4l2 lm_sensors md5sum mmap mmx mmxext mp3 mudflap multicall multilib multiprocess multiuser nano-syntax ncurses network-cron networking nls nptl nptlonly nsplugin numpy nvidia opengl openmp optimize-cflags pam pcre perl png pppd pymol python qt-static readline reflection rrdcgi rtsp sdl sensord session smp spl sse sse2 ssl ssse3 startup-notification svg swat sysfs tcpd tiff truetype type1 unicode v4l v4l2 vorbis x264 xcomposite xorg xulrunner zlib" ALSA_CARDS="hda-intel" 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="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" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en" USERLAND="GNU" VIDEO_CARDS="nvidia v4l" USER="justin" USERLAND="GNU" USERNAME="justin" USE_EXPAND="ALSA_CARDS ALSA_PCM_PLUGINS APACHE2_MODULES APACHE2_MPMS CAMERAS CROSSCOMPILE_OPTS DVB_CARDS ELIBC FCDSL_CARDS FOO2ZJS_DEVICES FRITZCAPI_CARDS INPUT_DEVICES KERNEL LCD_DEVICES LINGUAS LIRC_DEVICES MISDN_CARDS NETBEANS_MODULES QEMU_SOFTMMU_TARGETS QEMU_USER_TARGETS SANE_BACKENDS USERLAND VIDEO_CARDS" USE_EXPAND_HIDDEN="CROSSCOMPILE_OPTS ELIBC KERNEL USERLAND" USE_ORDER="env:pkg:conf:defaults:pkginternal:env.d" VIDEO_CARDS="nvidia v4l" WINDOWID="27263104" WINDOWPATH="7" XAUTHORITY="/home/justin/.Xauthority" XCURSORS_THEME="Jimmac" XDG_CONFIG_DIRS="/etc/xdg" XDG_DATA_DIRS="/usr/local/share:/usr/share:/usr/share/gdm" XDG_MENU_PREFIX="gnome-" XDG_SESSION_COOKIE="f61380aebc7a1c37956b884349a40094-1251223287.791408-1418478022" _="/usr/bin/emerge"
These are gtk issues, has nothing to do with firefox itself.
@Mozilla, I'm adding you back. Firefox is doing something stupid with cairo/gtk, as the double unref shows. @Justin, please provide the output of : emerge -pv glib gtk+ pango cairo xulrunner Thanks
*** This bug has been marked as a duplicate of bug 280369 ***
Still have those problems and those aren't? related to gtk: firefox: cairo-hash.c:199: _cairo_hash_table_destroy: Assertion `hash_table->live_entries == 0' failed. Program received signal SIGABRT, Aborted. [Switching to Thread 0x7fe3847cf710 (LWP 23240)] 0x00007fe383b6f455 in raise () from /lib/libc.so.6 (gdb) bt #0 0x00007fe383b6f455 in raise () from /lib/libc.so.6 #1 0x00007fe383b70c80 in abort () from /lib/libc.so.6 #2 0x00007fe383b6844a in __assert_fail () from /lib/libc.so.6 #3 0x00007fe37f8cb5a1 in _cairo_hash_table_destroy (hash_table=0x7fe3708507c0) at cairo-hash.c:199 #4 0x00007fe37f8dc717 in _cairo_scaled_font_map_destroy () at cairo-scaled-font.c:392 #5 0x00007fe37f8c6fd9 in _cairo_font_face_reset_static_data () at cairo-font-face.c:767 #6 0x00007fe37f8c6e09 in cairo_debug_reset_static_data () at cairo-debug.c:64 #7 0x00007fe380bbcff7 in MOZ_gdk_display_close (display=0x7fe38349d170) at nsAppRunner.cpp:2479 #8 0x00007fe380bbfb9a in XRE_main (argc=1, argv=0x7fff84f2d178, aAppData=0x7fe38341f320) at nsAppRunner.cpp:3433 #9 0x00000000004027e8 in ?? () #10 0x00007fe383b5aa3d in __libc_start_main () from /lib/libc.so.6 #11 0x0000000000401c19 in ?? () #12 0x00007fff84f2d168 in ?? () #13 0x000000000000001c in ?? () #14 0x0000000000000001 in ?? () #15 0x00007fff84f2df2f in ?? () #16 0x0000000000000000 in ?? () (gdb) q The program is running. Exit anyway? (y or n) y
Created attachment 204662 [details] ff-gdb.log gdb.log
And it doesn't matter whether I use a clean profile or a used one. I recompiled following things for testing CFLAGS="-O2 -march=core2 -pipe -mssse3 -mcx16 -mmmx -g" CXXFLAGS="${CFLAGS}" USE="debug -custom-optimization" [ebuild R ] www-client/mozilla-firefox-3.5.3 USE="alsa dbus gnome java startup-notification -bindist -custom-optimization -iceweasel -mozdevelop -restrict-javascript" LINGUAS="de en en_GB en_US -af -ar -as -be -bg -bn -bn_BD -bn_IN -ca -cs -cy -da -el -eo -es -es_AR -es_CL -es_ES -es_MX -et -eu -fa -fi -fr -fy -fy_NL -ga -ga_IE -gl -gu -gu_IN -he -hi -hi_IN -hr -hu -id -is -it -ja -ka -kk -kn -ko -ku -lt -lv -mk -ml -mn -mr -nb -nb_NO -nl -nn -nn_NO -oc -or -pa -pa_IN -pl -pt -pt_BR -pt_PT -rm -ro -ru -si -sk -sl -sq -sr -sv -sv_SE -ta -ta_LK -te -th -tr -uk -vi -zh_CN -zh_TW" 0 kB [ebuild R ] net-libs/xulrunner-1.9.1.3 USE="alsa dbus debug gnome java python startup-notification -custom-optimization" 0 kB [ebuild R ] x11-libs/gtk+-2.16.6 USE="X cups debug jpeg tiff -doc -jpeg2k -test -vim-syntax -xinerama" 0 kB [ebuild R ] x11-libs/pango-1.24.5-r1 USE="X debug -doc -test" 0 kB [ebuild R ] x11-libs/cairo-1.8.8 USE="X debug glitz opengl svg -cleartype -directfb -doc -xcb" 0 kB [ebuild R ] dev-libs/nss-3.12.4 USE="-utils" 0 kB [ebuild R ] dev-libs/nspr-4.8 USE="debug -ipv6" 0 kB
no more gtk+ issues, CCing cairo maintainers then.
Magically this issue disappeared over time. Closing for now.