[SOLVED]стали сильно тормозить игры steam

спасибо, вечером сделаю и отпишусь. Про клонирование меня уже предупредили на gentoo.org. Век живи — век учись.

После emerge --sync.
1. emerge -1 --nodeps linux-headers glibc binutils gmp mpc mpfr gcc libtool -pv

These are the packages that would be merged, in order:

[ebuild R ] sys-kernel/linux-headers-4.19::gentoo USE="-headers-only" 0 KiB
[ebuild R ] sys-libs/glibc-2.29-r7:2.2::gentoo USE="caps multiarch (multilib) ssp -audit (-cet) -compile-locales -doc -gd -headers-only -nscd -profile (-selinux) -suid -systemtap -test (-vanilla)" 0 KiB
[ebuild R ] sys-devel/binutils-2.32-r1:2.32::gentoo USE="cxx gold nls plugins -default-gold -doc -multitarget -static-libs -test" 0 KiB
[ebuild R ] dev-libs/gmp-6.1.2-r1:0/10.4::gentoo USE="asm cxx -doc -static-libs" ABI_X86="32 (64) (-x32)" 0 KiB
[ebuild R ] dev-libs/mpc-1.1.0-r1:0/3::gentoo USE="-static-libs" ABI_X86="32 (64) (-x32)" 0 KiB
[ebuild R ] dev-libs/mpfr-4.0.2:0/6::gentoo USE="-static-libs" ABI_X86="32 (64) (-x32)" 0 KiB
[ebuild R ] sys-devel/gcc-9.2.0-r2:9.2.0::gentoo USE="(cxx) fortran (multilib) nls nptl openmp pch (pie) sanitize ssp vtv (-altivec) -d -debug -doc (-fixed-point) -go -graphite (-hardened) (-jit) (-libssp) -lto -objc -objc++ -objc-gc -pgo -systemtap -test -vanilla" 0 KiB
[ebuild R ] sys-devel/libtool-2.4.6-r6:2::gentoo USE="-vanilla" 0 KiB

2. emerge -uDN --with-bdeps=y --backtrack=30 --keep-going --verbose-conflicts @world -pv

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild U ] dev-util/netsurf-buildsystem-1.8::gentoo [1.7::gentoo] 38 KiB
[ebuild U ] sys-kernel/linux-firmware-20200122::gentoo [20191215::gentoo] USE="redistributable -initramfs -savedconfig (-unknown-license)" 214 657 KiB
[ebuild U ] dev-lang/go-1.12.15:0/1.12.15::gentoo [1.12.13:0/1.12.13::gentoo] USE="-gccgo -system-bootstrap" 20 241 KiB
[ebuild U ] dev-libs/vala-common-0.44.11::gentoo [0.44.9::gentoo] 3 292 KiB
[ebuild NS ~] sys-kernel/gentoo-sources-5.5.0:5.5.0::gentoo [5.4.10:5.4.10::gentoo, 5.4.13:5.4.13::gentoo, 5.4.14:5.4.14::gentoo] USE="-build -experimental -symlink" 108 125 KiB
[ebuild U ] media-libs/babl-0.1.74::gentoo [0.1.66::gentoo] USE="lcms%* -introspection% (-altivec%)" CPU_FLAGS_X86="avx2%* f16c mmx sse sse2 sse3 sse4_1" 288 KiB
[ebuild N ] media-libs/libnsgif-0.2.1-r1::gentoo 263 KiB
[ebuild U ] dev-libs/libpwquality-1.4.2::gentoo [1.4.1::gentoo] USE="pam (split-usr) -python -static-libs" PYTHON_TARGETS="python3_6 (-python3_7) (-python3_8)" 414 KiB
[ebuild NS ~] dev-lang/python-3.7.6:3.7/3.7m::gentoo [2.7.17-r1:2.7::gentoo, 3.6.10:3.6/3.6m::gentoo] USE="bluetooth gdbm ncurses readline sqlite ssl xml -build -examples -hardened -ipv6 -libressl -test -tk -wininst (-threads%*)" 16 852 KiB
[ebuild U ~] app-portage/gentoolkit-0.4.7::gentoo [0.4.6::gentoo] PYTHON_TARGETS="python2_7 python3_6 -pypy3% -python3_7 -python3_8%" 3 131 KiB
[ebuild U ] dev-libs/glib-2.60.7-r1:2::gentoo [2.60.7:2::gentoo] USE="dbus (mime) xattr -debug -fam -gtk-doc (-selinux) -static-libs -systemtap -test -utils" ABI_X86="32 (64) (-x32)" 0 KiB
[ebuild U ] media-libs/libmypaint-1.4.0:0/1.4::gentoo [1.3.0-r1:0/0::gentoo] USE="nls openmp -gegl* -introspection" 432 KiB
[ebuild U ] media-gfx/fontforge-20170731-r5::gentoo [20170731-r4::gentoo] USE="X cairo gif gtk jpeg png python readline svg tiff unicode -test -truetype-debugger" PYTHON_SINGLE_TARGET="python3_6 -python2_7" PYTHON_TARGETS="python2_7 python3_6" 0 KiB
[ebuild U ] dev-lang/vala-0.44.11:0.44::gentoo [0.44.9:0.44::gentoo] USE="-test -valadoc" 0 KiB
[ebuild U ] net-libs/glib-networking-2.60.4::gentoo [2.60.3::gentoo] USE="gnome libproxy ssl -test" ABI_X86="32 (64) (-x32)" 182 KiB
[ebuild U ~] net-im/telegram-desktop-bin-1.9.8::gentoo [1.9.7::gentoo] 46 839 KiB
[ebuild U ] dev-util/gtk-update-icon-cache-3.24.13::gentoo [3.24.11::gentoo] 89 KiB
[ebuild U ] dev-libs/appstream-glib-0.7.16:0/8::gentoo [0.7.15:0/8::gentoo] USE="introspection -fonts -gtk-doc -stemmer" 2 192 KiB
[ebuild U ] net-misc/modemmanager-1.10.0:0/1::gentoo [1.8.2-r1:0/1::gentoo] USE="introspection (policykit) qmi udev -elogind -mbim -systemd -vala" 2 150 KiB
[ebuild U ] x11-libs/gtk+-3.24.13:3::gentoo [3.24.11:3::gentoo] USE="X cups introspection (-aqua) -broadway -cloudprint -colord -examples -gtk-doc -test -vim-syntax -wayland -xinerama" ABI_X86="32 (64) (-x32)" 22 719 KiB
[ebuild U ] net-misc/networkmanager-1.18.4-r3::gentoo [1.18.4-r1::gentoo] USE="bluetooth consolekit introspection modemmanager ncurses nss (policykit) ppp wext wifi -audit -connection-sharing -dhclient -dhcpcd -elogind -gnutls (-iwd) -json -ofono -ovs -resolvconf (-selinux) -systemd -teamd -test -vala" ABI_X86="32 (64) (-x32)" 0 KiB
[ebuild U ] app-crypt/gcr-3.34.0-r1:0/1::gentoo [3.28.1:0/1::gentoo] USE="gtk introspection vala -debug -test" 1 421 KiB
[ebuild U ] media-sound/pulseeffects-4.7.1::gentoo [4.6.8::gentoo] USE="bs2b -calf -mda-lv2 -rubberband" 1 949 KiB
[ebuild U ] media-libs/gegl-0.4.18:0.4::gentoo [0.4.16:0.4::gentoo] USE="cairo ffmpeg lcms pdf sdl svg tiff -debug -introspection -lensfun -libav -openexr -raw -test -umfpack -v4l -vala -webp (-zlib%*)" CPU_FLAGS_X86="(-mmx%*) (-sse%*)" 4 700 KiB
[ebuild U ] media-sound/mpd-0.21.18-r1::gentoo [0.21.18::gentoo] USE="alsa audiofile* bzip2 cue curl dbus eventfd ffmpeg fifo flac icu id3tag inotify lame mad musepack network pulseaudio samba sndfile udisks unicode vorbis wavpack zlib -ao -cdio -chromaprint -debug -expat -faad -fluidsynth -gme -ipv6 -jack -libav -libmpdclient -libsamplerate -libsoxr -mikmod -mms -modplug -mpg123 -nfs -openal -opus -oss -pipe -qobuz -recorder (-selinux) -sid -signalfd -soundcloud -sqlite -systemd -test -tidal -twolame -upnp -webdav -wildmidi -zeroconf -zip (-adplug%)" 0 KiB
[ebuild U ] media-gfx/gimp-2.10.14:2::gentoo [2.10.8-r1:2::gentoo] USE="alsa mng udev -aalib (-altivec) (-aqua) -debug -doc -gnome -heif -jpeg2k -openexr -postscript -python -test -unwind -vector-icons -webp -wmf -xpm" CPU_FLAGS_X86="mmx sse" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7" 32 018 KiB

Total: 26 packages (23 upgrades, 1 new, 2 in new slots), Size of downloads: 481 982 KiB

WARNING: One or more updates/rebuilds have been skipped due to a dependency conflict:

dev-util/boost-build:0

(dev-util/boost-build-1.72.0:0/0::gentoo, ebuild scheduled for merge) USE="-examples" ABI_X86="(64)" conflicts with
=dev-util/boost-build-1.71* required by (dev-libs/boost-1.71.0:0/1.71.0::gentoo, installed) USE="bzip2 context icu nls threads zlib -debug -doc -lzma -mpi -numpy -python -static-libs -tools -zstd" ABI_X86="32 (64) (-x32)" PYTHON_TARGETS="python2_7 python3_6 (-python3_7)"
^ ^^^^^

dev-python/numpy:0

(dev-python/numpy-1.17.4-r2:0/0::gentoo, ebuild scheduled for merge) USE="lapack -doc -test" ABI_X86="(64)" PYTHON_TARGETS="python3_6 -python3_7 -python3_8" conflicts with
^ ^^^^^^

!!! The following update has been skipped due to unsatisfied dependencies:

app-office/libreoffice-bin:0

selected: (app-office/libreoffice-bin-6.2.8.2:0/0::gentoo, installed)
skipped: (app-office/libreoffice-bin-6.3.4.2:0/0::gentoo, ebuild scheduled for merge) (see unsatisfied dependency below)

!!! All ebuilds that could satisfy "dev-libs/icu:0/65.1" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-libs/icu-65.1::gentoo (masked by: package.mask)

(dependency required by "app-office/libreoffice-bin-6.3.4.2::gentoo" [ebuild])
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.

!!! The following update(s) have been skipped due to unsatisfied dependencies
!!! triggered by backtracking:

dev-libs/boost:0