firefox-75.0-r1,r2,r3 compilation hangs with 0% cpu usage. firefox-75.0 was compiling fine, but is not anymore in the tree so I cannot check. using clang-10 in all cases. www-client/firefox-75.0-r3::gentoo [75.0::gentoo] USE="clang eme-free hardened lto pgo screenshot startup-notification system-av1 system-harfbuzz system-icu system-jpeg system-libevent system-libvpx system-webp -bindist -custom-cflags -custom-optimization -debug -geckodriver -gmp-autoupdate -hwaccel -jack -pulseaudio (-selinux) -test -wayland -wifi" CPU_FLAGS_X86="avx2" L10N="fr -ach -af -an -ar -ast -az -be -bg -bn -br -bs -ca -cak -cs -cy -da -de -dsb -el -en-CA -en-GB -eo -es-AR -es-CL -es-ES -es-MX -et -eu -fa -ff -fi -fy -ga -gd -gl -gn -gu -he -hi -hr -hsb -hu -hy -ia -id -is -it -ja -ka -kab -kk -km -kn -ko -lij -lt -lv -mk -mr -ms -my -nb -nl -nn -oc -pa -pl -pt-BR -pt-PT -rm -ro -ru -si -sk -sl -son -sq -sr -sv -ta -te -th -tr -uk -ur -uz -vi -xh -zh-CN -zh-TW Last log lines: 13:17.77 gmake: Leaving directory '/tmp/var/tmp/portage/www-client/firefox-75.0-r3/work/firefox-75.0/ff/instrumented' 1588446892524 addons.webextension.doh-rollout@mozilla.org WARN Loading extension 'doh-rollout@mozilla.org': Reading manifest: Invalid extension permission: networkStatus 1588446892537 addons.webextension.screenshots@mozilla.org WARN Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: mozillaAddons 1588446892537 addons.webextension.screenshots@mozilla.org WARN Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: telemetry 1588446892537 addons.webextension.screenshots@mozilla.org WARN Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: resource://pdf.js/ 1588446892537 addons.webextension.screenshots@mozilla.org WARN Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: about:reader* jarlog: /tmp/var/tmp/portage/www-client/firefox-75.0-r3/work/firefox-75.0/ff/jarlog/en-US.log JavaScript error: resource://gre/modules/XULStore.jsm, line 66: Error: Can't find profile directory. Reproducible: Always Portage 2.3.89 (python 3.6.10-final-0, default/linux/amd64/17.1/desktop/plasma, gcc-9.3.0, glibc-2.30-r8, 5.6.8-gentoo-x86_64 x86_64) ================================================================= System uname: Linux-5.6.8-gentoo-x86_64-x86_64-AMD_Ryzen_9_3950X_16-Core_Processor-with-gentoo-2.6 KiB Mem: 131898988 total, 109428872 free KiB Swap: 0 total, 0 free Timestamp of repository gentoo: Sat, 02 May 2020 11:00:01 +0000 Head commit of repository gentoo: 565fcbf28861d592444f3f2a999a65b8a067efcd Head commit of repository science: bc44451d56ba7f057b2a476d23ebb6b32730c8ca sh bash 4.4_p23-r1 ld GNU ld (Gentoo 2.33.1 p2) 2.33.1 app-shells/bash: 4.4_p23-r1::gentoo dev-java/java-config: 2.2.0-r4::gentoo dev-lang/perl: 5.30.1::gentoo dev-lang/python: 2.7.18::gentoo, 3.6.10-r2::gentoo, 3.7.7-r2::gentoo, 3.8.2-r2::gentoo dev-util/cmake: 3.16.5::gentoo sys-apps/baselayout: 2.6-r1::gentoo sys-apps/openrc: 0.42.1::gentoo sys-apps/sandbox: 2.13::gentoo sys-devel/autoconf: 2.13-r1::gentoo, 2.69-r4::gentoo sys-devel/automake: 1.16.1-r1::gentoo sys-devel/binutils: 2.33.1-r1::gentoo sys-devel/gcc: 9.2.0-r4::gentoo, 9.3.0::gentoo sys-devel/gcc-config: 2.2.1::gentoo sys-devel/libtool: 2.4.6-r6::gentoo sys-devel/make: 4.2.1-r4::gentoo sys-kernel/linux-headers: 5.6::gentoo (virtual/os-headers) sys-libs/glibc: 2.30-r8::gentoo Repositories: gentoo location: /tmp/repos/gentoo sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 sync-rsync-extra-opts: --quiet --times --omit-dir-times --omit-link-times sync-rsync-verify-max-age: 24 sync-rsync-verify-jobs: 1 sync-rsync-verify-metamanifest: yes localrepo location: /var/db/repos/localrepo masters: gentoo science location: /var/db/repos/science sync-type: git sync-uri: git://git.gentoo.org/proj/sci.git masters: gentoo x-portage location: /usr/local/portage masters: gentoo priority: 0 palemoon location: /var/lib/layman/palemoon masters: gentoo priority: 50 pf4public location: /var/lib/layman/pf4public masters: gentoo priority: 50 stuff location: /var/lib/layman/stuff masters: gentoo priority: 50 ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="@FREE" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=native" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt" 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 /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-O2 -pipe -march=native" DISTDIR="/tmp/var/cache/distfiles" EMERGE_DEFAULT_OPTS="--with-bdeps=y --keep-going --jobs 20 --load-average 30" ENV_UNSET="DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR" FCFLAGS="-O2 -pipe -march=native" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe -march=native" GENTOO_MIRRORS="ftp://ftp.rnl.tecnico.ulisboa.pt/pub/gentoo/gentoo-distfiles/ ftp://gentoo.mirrors.ovh.net/gentoo-distfiles/ ftp://ftp.halifax.rwth-aachen.de/gentoo/ ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo http://distfiles.gentoo.org http://www.ibiblio.org/pub/Linux/distributions/gentoo" LANG="fr_FR.utf8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j32" PKGDIR="/var/cache/binpkgs" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_EXTRA_OPTS="--quiet --times --omit-dir-times --omit-link-times" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git" PORTAGE_TMPDIR="/tmp/var/tmp" USE="X a52 aac acl acpi activities alsa amd64 berkdb branding bzip2 cairo cdda cdr cdrom cli crypt cuda cups dbus declarative dri dropbox dts dvd dvdr elogind emboss encode exif ffmpeg flac fortran gdbm gif gmp gpm gtk iconv icu ipv6 jpeg kde kipi lcms ldap libnotify libtirpc mad mp3 mp4 mpeg multilib ncurses nls nptl ogg opengl openmp opus pam pango pcre pdf phonon plasma png policykit ppds qml qt5 readline sdl seccomp spell split-usr ssl startup-notification svg tcpd tiff truetype udev udisks unicode upower usb vim-syntax vorbis widgets wxwidgets x264 xattr xcb xcomposite xml xv xvid zlib" ABI_X86="64" ADA_TARGET="gnat_2018" 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" 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="karbon sheets stage words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt sha sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="libinput keyboard mouse" KERNEL="linux" L10N="fr fr-FR" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-2" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_6" PYTHON_TARGETS="python2_7 python3_6" RUBY_TARGETS="ruby24 ruby25" USERLAND="GNU" VIDEO_CARDS="fbdev vesa dummy nvidia" 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: CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, LC_ALL, LINGUAS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS
Created attachment 635760 [details] firefox-75.0-r3 build log
I found on firefox-76 that it is caused by USE=pgo (again). It is similar (maybe duplicate) of bug 703256.
Please re-open if you are still seeing this error in >=www-client/firefox-78.3.1.
