snap fails to install almost anything if sys-fs/squashfs-tools[-lzma] installed in system, which is default (at least on default/linux/amd64/17.1/desktop/plasma/systemd). Reproducible: Always Steps to Reproduce: $ snap install snapd Actual Results: error: cannot perform the following tasks: - Mount snap "snapd" (10492) (cannot run unsquashfs: ----- Filesystem uses xz compression, this is unsupported by this version Decompressors available: gzip -----) Portage 3.0.12 (python 3.8.7-final-0, default/linux/amd64/17.1/desktop/plasma/systemd, gcc-10.2.0, glibc-2.32-r5, 5.9.14 x86_64) ================================================================= System uname: Linux-5.9.14-x86_64-Intel-R-_Core-TM-_i5-7400_CPU_@_3.00GHz-with-glibc2.2.5 KiB Mem: 15837268 total, 2998948 free KiB Swap: 8286204 total, 7200252 free Timestamp of repository gentoo: Thu, 24 Dec 2020 18:45:01 +0000 Head commit of repository gentoo: b81579cc4545cec664e9595aba457d4746ad5629 sh bash 5.1_p4 ld GNU ld (Gentoo 2.35.1 p2) 2.35.1 app-shells/bash: 5.1_p4::gentoo dev-java/java-config: 2.3.1::gentoo dev-lang/perl: 5.30.3-r1::gentoo dev-lang/python: 3.8.7::gentoo dev-util/cmake: 3.19.2::gentoo sys-apps/baselayout: 2.7-r1::gentoo sys-apps/sandbox: 2.20::gentoo sys-devel/autoconf: 2.13-r1::gentoo, 2.69-r5::gentoo sys-devel/automake: 1.16.3-r1::gentoo sys-devel/binutils: 2.35.1-r1::gentoo sys-devel/gcc: 10.2.0-r4::gentoo sys-devel/gcc-config: 2.3.2-r1::gentoo sys-devel/libtool: 2.4.6-r6::gentoo sys-devel/make: 4.3::gentoo sys-kernel/linux-headers: 5.10::gentoo (virtual/os-headers) sys-libs/glibc: 2.32-r5::gentoo Repositories: gentoo location: /var/db/repos/gentoo sync-type: rsync sync-uri: rsync://rsync.ru.gentoo.org/gentoo-portage priority: -1000 sync-rsync-extra-opts: sync-rsync-verify-max-age: 24 sync-rsync-verify-metamanifest: yes sync-rsync-verify-jobs: 1 calculate location: /var/lib/layman/calculate masters: gentoo priority: 50 jorgicio location: /var/lib/layman/jorgicio masters: gentoo priority: 50 tsunamaru-gentoo location: /var/lib/layman/tsunamaru-gentoo masters: gentoo priority: 50 Installed sets: @kde, @tiling ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="*" 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" CXXFLAGS="-O2 -pipe -march=native" DISTDIR="/var/cache/distfiles" EMERGE_DEFAULT_OPTS="--verbose-conflicts --keep-going --quiet-build=y" ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN GOPATH 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="https://mirror.yandex.ru/gentoo-distfiles" LANG="en_US.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" PKGDIR="/var/cache/binpkgs" PORTAGE_CONFIGROOT="/" 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="/var/tmp" USE="X a52 aac acl acpi activities alsa amd64 berkdb bindist bluetooth branding bzip2 cairo cdda cdr cli crypt cups dbus declarative dri dts dvd dvdr emboss encode exif flac fortran gdbm gif gles2 gpm graphite gtk gui iconv icu ipv6 java jpeg kde kipi kwallet lcms libglvnd libnotify libtirpc lto mad mng mp3 mp4 mpeg multilib ncurses networkmanager nls nptl nss ogg opengl openmp pam pango pcre pdf pgo phonon plasma png policykit ppds pulseaudio qml qt5 readline sdl seccomp semantic-desktop spell split-usr ssl startup-notification svg systemd tcpd tiff truetype udev udisks unicode upower usb vaapi vorbis wayland widgets wxwidgets x264 xattr xcb xinerama 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 words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt rdrand sse sse2 sse3 sse4_1 sse4_2 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" KERNEL="linux" L10N="en ru" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-2 php7-3 php7-4" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_8" PYTHON_TARGETS="python3_8" RUBY_TARGETS="ruby27" USERLAND="GNU" VIDEO_CARDS="intel i965" 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, MAKEOPTS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
I had the same issue with app-emulation/lxc (& app-emulation/lxd) as well. Emerging squashfs-tools with lzma USE fixed the problem.
Zac, please give your input on this.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=152f09eae7e4f2ad4b875479d8e6f63e8c90c3a3 commit 152f09eae7e4f2ad4b875479d8e6f63e8c90c3a3 Author: Zac Medico <zmedico@gentoo.org> AuthorDate: 2021-06-05 19:48:24 +0000 Commit: Zac Medico <zmedico@gentoo.org> CommitDate: 2021-06-05 19:52:28 +0000 app-emulation/snapd: Bump to version 2.51 and require squashfs-tools[lzma] Snaps that use xz compression fail to install with squashfs-tools[-lzma]: error: cannot perform the following tasks: - Mount snap "snapd" (10492) (cannot run unsquashfs: ----- Filesystem uses xz compression, this is unsupported by this version Decompressors available: gzip -----) Reported-by: Artem Ilgamov <a.ilgamov@myhart.ru> Closes: https://bugs.gentoo.org/761523 Package-Manager: Portage-3.0.19, Repoman-3.0.3 Signed-off-by: Zac Medico <zmedico@gentoo.org> app-emulation/snapd/Manifest | 1 + app-emulation/snapd/snapd-2.51.ebuild | 180 ++++++++++++++++++++++++++++++++++ 2 files changed, 181 insertions(+)
Thanks!