Bug#918592: apt update incredibly slow due to writing lists files using zstd
Package: apt
Version: 1.8.0~alpha3
Severity: normal
For the past few weeks, I haven’t been able to update my Debian system. I
finally took some time to look into what’s going wrong.
The symptom is that “apt update” just hung forever after fetching all files from
my configured mirrors.
A closer look revealed 100% CPU usage of 1 core in the
/usr/lib/apt/methods/store process, which was writing to files in
/var/lib/apt/lists/partial.
Attaching gdb revealed that store was spending its time in a zstd function:
#0 0x00007f376cc0bf78 in ?? () from /usr/lib/x86_64-linux-gnu/libzstd.so.1
#1 0x00007f376cbcc275 in ?? () from /usr/lib/x86_64-linux-gnu/libzstd.so.1
#2 0x00007f376cbcdedf in ?? () from /usr/lib/x86_64-linux-gnu/libzstd.so.1
#3 0x00007f376cbce461 in ZSTD_compressContinue () from /usr/lib/x86_64-linux-gnu/libzstd.so.1
#4 0x00007f376cbcfe9e in ?? () from /usr/lib/x86_64-linux-gnu/libzstd.so.1
#5 0x00007f376d9874af in ?? () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0
#6 0x00007f376d97ffd1 in FileFd::Write(void const*, unsigned long long) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0
#7 0x000055afaedf1073 in StoreMethod::Fetch(pkgAcqMethod::FetchItem*) () at include/apt-pkg/fileutl.h:168
#8 0x00007f376d939f83 in pkgAcqMethod::Run(bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0
#9 0x000055afaedf0759 in main () at /usr/include/c++/8/bits/basic_string.h:252
#10 0x00007f376d32e09b in __libc_start_main (main=0x55afaedf06e0 <main>, argc=1, argv=0x7ffe0782f238, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe0782f228) at ../csu/libc-start.c:308
#11 0x000055afaedf083a in _start () at ../methods/store.cc:147
Sure enough, raising the cost of the zstd compression in my apt config fixed the
issue:
% cat /etc/apt/apt.conf.d/99disable-zstd
APT::Compressor::zstd::Cost "999";
I have a few remarks:
1. Why are the lists re-compressed at all?
(Also note that I set Acquire::GzipIndexes "yes", so I have already signaled
that I would prefer to accept the lists as they are.)
2. Why is store only using 1 of 16 CPU cores for compression?
3. Should we disable zstd for the time being, given that it turns a 1-minute apt
update into a many-minute apt update, to the point where I had assumed it was
hanging?
Thanks,
-- Package-specific info:
-- apt-config dump --
APT "";
APT::Architecture "amd64";
APT::Build-Essential "";
APT::Build-Essential:: "build-essential";
APT::Install-Recommends "false";
APT::Install-Suggests "false";
APT::Sandbox "";
APT::Sandbox::User "_apt";
APT::NeverAutoRemove "";
APT::NeverAutoRemove:: "^firmware-linux.*";
APT::NeverAutoRemove:: "^linux-firmware$";
APT::NeverAutoRemove:: "^linux-image-[a-z0-9]*$";
APT::NeverAutoRemove:: "^linux-image-[a-z0-9]*-[a-z0-9]*$";
APT::NeverAutoRemove:: "^linux-image-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-image-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^linux-headers-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-headers-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^linux-image-extra-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-image-extra-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^linux-modules-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-modules-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^linux-modules-extra-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-modules-extra-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^linux-signed-image-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-signed-image-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^kfreebsd-image-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^kfreebsd-image-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^kfreebsd-headers-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^kfreebsd-headers-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^gnumach-image-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^gnumach-image-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^.*-modules-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^.*-modules-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^.*-kernel-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^.*-kernel-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^linux-backports-modules-.*-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-backports-modules-.*-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^linux-modules-.*-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-modules-.*-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^linux-tools-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-tools-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^linux-cloud-tools-4\.14\.0-3-amd64$";
APT::NeverAutoRemove:: "^linux-cloud-tools-4\.18\.0-2-amd64$";
APT::NeverAutoRemove:: "^postgresql-";
APT::VersionedKernelPackages "";
APT::VersionedKernelPackages:: "linux-image";
APT::VersionedKernelPackages:: "linux-headers";
APT::VersionedKernelPackages:: "linux-image-extra";
APT::VersionedKernelPackages:: "linux-modules";
APT::VersionedKernelPackages:: "linux-modules-extra";
APT::VersionedKernelPackages:: "linux-signed-image";
APT::VersionedKernelPackages:: "kfreebsd-image";
APT::VersionedKernelPackages:: "kfreebsd-headers";
APT::VersionedKernelPackages:: "gnumach-image";
APT::VersionedKernelPackages:: ".*-modules";
APT::VersionedKernelPackages:: ".*-kernel";
APT::VersionedKernelPackages:: "linux-backports-modules-.*";
APT::VersionedKernelPackages:: "linux-modules-.*";
APT::VersionedKernelPackages:: "linux-tools";
APT::VersionedKernelPackages:: "linux-cloud-tools";
APT::Never-MarkAuto-Sections "";
APT::Never-MarkAuto-Sections:: "metapackages";
APT::Never-MarkAuto-Sections:: "contrib/metapackages";
APT::Never-MarkAuto-Sections:: "non-free/metapackages";
APT::Never-MarkAuto-Sections:: "restricted/metapackages";
APT::Never-MarkAuto-Sections:: "universe/metapackages";
APT::Never-MarkAuto-Sections:: "multiverse/metapackages";
APT::Move-Autobit-Sections "";
APT::Move-Autobit-Sections:: "oldlibs";
APT::Move-Autobit-Sections:: "contrib/oldlibs";
APT::Move-Autobit-Sections:: "non-free/oldlibs";
APT::Move-Autobit-Sections:: "restricted/oldlibs";
APT::Move-Autobit-Sections:: "universe/oldlibs";
APT::Move-Autobit-Sections:: "multiverse/oldlibs";
APT::Default-Release "testing";
APT::Compressor "";
APT::Compressor::. "";
APT::Compressor::.::Name ".";
APT::Compressor::.::Extension "";
APT::Compressor::.::Binary "";
APT::Compressor::.::Cost "0";
APT::Compressor::zstd "";
APT::Compressor::zstd::Name "zstd";
APT::Compressor::zstd::Extension ".zst";
APT::Compressor::zstd::Binary "false";
APT::Compressor::zstd::Cost "999";
APT::Compressor::lz4 "";
APT::Compressor::lz4::Name "lz4";
APT::Compressor::lz4::Extension ".lz4";
APT::Compressor::lz4::Binary "lz4";
APT::Compressor::lz4::Cost "400";
APT::Compressor::lz4::CompressArg "";
APT::Compressor::lz4::CompressArg:: "-1";
APT::Compressor::lz4::UncompressArg "";
APT::Compressor::lz4::UncompressArg:: "-d";
APT::Compressor::gzip "";
APT::Compressor::gzip::Name "gzip";
APT::Compressor::gzip::Extension ".gz";
APT::Compressor::gzip::Binary "gzip";
APT::Compressor::gzip::Cost "100";
APT::Compressor::gzip::CompressArg "";
APT::Compressor::gzip::CompressArg:: "-6n";
APT::Compressor::gzip::UncompressArg "";
APT::Compressor::gzip::UncompressArg:: "-d";
APT::Compressor::xz "";
APT::Compressor::xz::Name "xz";
APT::Compressor::xz::Extension ".xz";
APT::Compressor::xz::Binary "xz";
APT::Compressor::xz::Cost "200";
APT::Compressor::xz::CompressArg "";
APT::Compressor::xz::CompressArg:: "-6";
APT::Compressor::xz::UncompressArg "";
APT::Compressor::xz::UncompressArg:: "-d";
APT::Compressor::bzip2 "";
APT::Compressor::bzip2::Name "bzip2";
APT::Compressor::bzip2::Extension ".bz2";
APT::Compressor::bzip2::Binary "bzip2";
APT::Compressor::bzip2::Cost "300";
APT::Compressor::bzip2::CompressArg "";
APT::Compressor::bzip2::CompressArg:: "-6";
APT::Compressor::bzip2::UncompressArg "";
APT::Compressor::bzip2::UncompressArg:: "-d";
APT::Compressor::lzma "";
APT::Compressor::lzma::Name "lzma";
APT::Compressor::lzma::Extension ".lzma";
APT::Compressor::lzma::Binary "xz";
APT::Compressor::lzma::Cost "400";
APT::Compressor::lzma::CompressArg "";
APT::Compressor::lzma::CompressArg:: "--format=lzma";
APT::Compressor::lzma::CompressArg:: "-6";
APT::Compressor::lzma::UncompressArg "";
APT::Compressor::lzma::UncompressArg:: "--format=lzma";
APT::Compressor::lzma::UncompressArg:: "-d";
APT::Update "";
APT::Update::Post-Invoke-Success "";
APT::Update::Post-Invoke-Success:: "if [ "$(/bin/systemctl show -p LoadState --value pk4-generate-index.service)" = "loaded" ]; then /bin/systemctl start --no-block pk4-generate-index; fi";
APT::Periodic "";
APT::Periodic::Update-Package-Lists "1";
APT::Architectures "";
APT::Architectures:: "amd64";
APT::Architectures:: "i386";
APT::Architectures:: "armel";
APT::Architectures:: "mipsel";
APT::Architectures:: "arm64";
Dir "/";
Dir::State "var/lib/apt";
Dir::State::lists "lists/";
Dir::State::cdroms "cdroms.list";
Dir::State::extended_states "extended_states";
Dir::State::status "/var/lib/dpkg/status";
Dir::Cache "var/cache/apt";
Dir::Cache::archives "archives/";
Dir::Cache::srcpkgcache "srcpkgcache.bin";
Dir::Cache::pkgcache "pkgcache.bin";
Dir::Etc "etc/apt";
Dir::Etc::sourcelist "sources.list";
Dir::Etc::sourceparts "sources.list.d";
Dir::Etc::main "apt.conf";
Dir::Etc::netrc "auth.conf";
Dir::Etc::netrcparts "auth.conf.d";
Dir::Etc::parts "apt.conf.d";
Dir::Etc::preferences "preferences";
Dir::Etc::preferencesparts "preferences.d";
Dir::Etc::trusted "trusted.gpg";
Dir::Etc::trustedparts "trusted.gpg.d";
Dir::Etc::apt-file-main "apt-file.conf";
Dir::Bin "";
Dir::Bin::methods "/usr/lib/apt/methods";
Dir::Bin::solvers "";
Dir::Bin::solvers:: "/usr/lib/apt/solvers";
Dir::Bin::planners "";
Dir::Bin::planners:: "/usr/lib/apt/planners";
Dir::Bin::dpkg "/usr/bin/dpkg";
Dir::Bin::gzip "/bin/gzip";
Dir::Bin::bzip2 "/bin/bzip2";
Dir::Bin::xz "/usr/bin/xz";
Dir::Bin::lz4 "/usr/bin/lz4";
Dir::Bin::zstd "/usr/bin/zstd";
Dir::Bin::lzma "/usr/bin/xz";
Dir::Media "";
Dir::Media::MountPath "/media/apt";
Dir::Log "var/log/apt";
Dir::Log::Terminal "term.log";
Dir::Log::History "history.log";
Dir::Log::Planner "eipp.log.xz";
Dir::Ignore-Files-Silently "";
Dir::Ignore-Files-Silently:: "~$";
Dir::Ignore-Files-Silently:: "\.disabled$";
Dir::Ignore-Files-Silently:: "\.bak$";
Dir::Ignore-Files-Silently:: "\.dpkg-[a-z]+$";
Dir::Ignore-Files-Silently:: "\.ucf-[a-z]+$";
Dir::Ignore-Files-Silently:: "\.save$";
Dir::Ignore-Files-Silently:: "\.orig$";
Dir::Ignore-Files-Silently:: "\.distUpgrade$";
Acquire "";
Acquire::AllowInsecureRepositories "0";
Acquire::AllowWeakRepositories "0";
Acquire::AllowDowngradeToInsecureRepositories "0";
Acquire::cdrom "";
Acquire::cdrom::mount "/media/cdrom/";
Acquire::IndexTargets "";
Acquire::IndexTargets::deb "";
Acquire::IndexTargets::deb::Packages "";
Acquire::IndexTargets::deb::Packages::MetaKey "$(COMPONENT)/binary-$(ARCHITECTURE)/Packages";
Acquire::IndexTargets::deb::Packages::flatMetaKey "Packages";
Acquire::IndexTargets::deb::Packages::ShortDescription "Packages";
Acquire::IndexTargets::deb::Packages::Description "$(RELEASE)/$(COMPONENT) $(ARCHITECTURE) Packages";
Acquire::IndexTargets::deb::Packages::flatDescription "$(RELEASE) Packages";
Acquire::IndexTargets::deb::Packages::Optional "0";
Acquire::IndexTargets::deb::Translations "";
Acquire::IndexTargets::deb::Translations::MetaKey "$(COMPONENT)/i18n/Translation-$(LANGUAGE)";
Acquire::IndexTargets::deb::Translations::flatMetaKey "$(LANGUAGE)";
Acquire::IndexTargets::deb::Translations::ShortDescription "Translation-$(LANGUAGE)";
Acquire::IndexTargets::deb::Translations::Description "$(RELEASE)/$(COMPONENT) Translation-$(LANGUAGE)";
Acquire::IndexTargets::deb::Translations::flatDescription "$(RELEASE) Translation-$(LANGUAGE)";
Acquire::IndexTargets::deb::Contents-deb "";
Acquire::IndexTargets::deb::Contents-deb::MetaKey "$(COMPONENT)/Contents-$(ARCHITECTURE)";
Acquire::IndexTargets::deb::Contents-deb::ShortDescription "Contents-$(ARCHITECTURE)";
Acquire::IndexTargets::deb::Contents-deb::Description "$(RELEASE)/$(COMPONENT) $(ARCHITECTURE) Contents (deb)";
Acquire::IndexTargets::deb::Contents-deb::flatMetaKey "Contents-$(ARCHITECTURE)";
Acquire::IndexTargets::deb::Contents-deb::flatDescription "$(RELEASE) Contents (deb)";
Acquire::IndexTargets::deb::Contents-deb::PDiffs "false";
Acquire::IndexTargets::deb::Contents-deb::KeepCompressed "true";
Acquire::IndexTargets::deb::Contents-udeb "";
Acquire::IndexTargets::deb::Contents-udeb::MetaKey "$(COMPONENT)/Contents-udeb-$(ARCHITECTURE)";
Acquire::IndexTargets::deb::Contents-udeb::ShortDescription "Contents-udeb-$(ARCHITECTURE)";
Acquire::IndexTargets::deb::Contents-udeb::Description "$(RELEASE)/$(COMPONENT) $(ARCHITECTURE) Contents (udeb)";
Acquire::IndexTargets::deb::Contents-udeb::flatMetaKey "Contents-udeb-$(ARCHITECTURE)";
Acquire::IndexTargets::deb::Contents-udeb::flatDescription "$(RELEASE) Contents (udeb)";
Acquire::IndexTargets::deb::Contents-udeb::KeepCompressed "true";
Acquire::IndexTargets::deb::Contents-udeb::PDiffs "false";
Acquire::IndexTargets::deb::Contents-udeb::DefaultEnabled "false";
Acquire::IndexTargets::deb::Contents-deb-legacy "";
Acquire::IndexTargets::deb::Contents-deb-legacy::MetaKey "Contents-$(ARCHITECTURE)";
Acquire::IndexTargets::deb::Contents-deb-legacy::ShortDescription "Contents-$(ARCHITECTURE)";
Acquire::IndexTargets::deb::Contents-deb-legacy::Description "$(RELEASE) $(ARCHITECTURE) Contents (deb)";
Acquire::IndexTargets::deb::Contents-deb-legacy::PDiffs "false";
Acquire::IndexTargets::deb::Contents-deb-legacy::KeepCompressed "true";
Acquire::IndexTargets::deb::Contents-deb-legacy::Fallback-Of "Contents-deb";
Acquire::IndexTargets::deb::Contents-deb-legacy::Identifier "Contents-deb";
Acquire::IndexTargets::deb-src "";
Acquire::IndexTargets::deb-src::Sources "";
Acquire::IndexTargets::deb-src::Sources::MetaKey "$(COMPONENT)/source/Sources";
Acquire::IndexTargets::deb-src::Sources::flatMetaKey "Sources";
Acquire::IndexTargets::deb-src::Sources::ShortDescription "Sources";
Acquire::IndexTargets::deb-src::Sources::Description "$(RELEASE)/$(COMPONENT) Sources";
Acquire::IndexTargets::deb-src::Sources::flatDescription "$(RELEASE) Sources";
Acquire::IndexTargets::deb-src::Sources::Optional "0";
Acquire::IndexTargets::deb-src::Contents-dsc "";
Acquire::IndexTargets::deb-src::Contents-dsc::MetaKey "$(COMPONENT)/Contents-source";
Acquire::IndexTargets::deb-src::Contents-dsc::ShortDescription "Contents-source";
Acquire::IndexTargets::deb-src::Contents-dsc::Description "$(RELEASE)/$(COMPONENT) source Contents (dsc)";
Acquire::IndexTargets::deb-src::Contents-dsc::flatMetaKey "Contents-source";
Acquire::IndexTargets::deb-src::Contents-dsc::flatDescription "$(RELEASE) Contents (dsc)";
Acquire::IndexTargets::deb-src::Contents-dsc::PDiffs "false";
Acquire::IndexTargets::deb-src::Contents-dsc::KeepCompressed "true";
Acquire::IndexTargets::deb-src::Contents-dsc::DefaultEnabled "false";
Acquire::Changelogs "";
Acquire::Changelogs::URI "";
Acquire::Changelogs::URI::Origin "";
Acquire::Changelogs::URI::Origin::Debian "https://metadata.ftp-master.debian.org/changelogs/@CHANGEPATH@_changelog";;
Acquire::Changelogs::URI::Origin::Ubuntu "https://changelogs.ubuntu.com/changelogs/pool/@CHANGEPATH@/changelog";;
Acquire::Changelogs::AlwaysOnline "";
Acquire::Changelogs::AlwaysOnline::Origin "";
Acquire::Changelogs::AlwaysOnline::Origin::Ubuntu "1";
Acquire::CompressionTypes "";
Acquire::CompressionTypes::Order "";
Acquire::CompressionTypes::Order:: "gz";
Acquire::CompressionTypes::xz "xz";
Acquire::CompressionTypes::bz2 "bzip2";
Acquire::CompressionTypes::lzma "lzma";
Acquire::CompressionTypes::gz "gzip";
Acquire::CompressionTypes::lz4 "lz4";
Acquire::CompressionTypes::zst "zstd";
Acquire::ftp.ch.debian.org "";
Acquire::ftp.ch.debian.org::By-Hash "force";
Acquire::GzipIndexes "yes";
Acquire::Pdiffs "no";
Acquire::Retries "3";
Acquire::Languages "";
Acquire::Languages:: "none";
DPkg "";
DPkg::Path "/usr/sbin:/usr/bin:/sbin:/bin";
DPkg::Pre-Install-Pkgs "";
DPkg::Pre-Install-Pkgs:: "/usr/sbin/dpkg-preconfigure --apt || true";
apt-file "";
apt-file::Index-Names "deb";
Binary "apt-config";
Binary::apt "";
Binary::apt::APT "";
Binary::apt::APT::Color "1";
Binary::apt::APT::Cache "";
Binary::apt::APT::Cache::Show "";
Binary::apt::APT::Cache::Show::Version "2";
Binary::apt::APT::Cache::AllVersions "0";
Binary::apt::APT::Cache::ShowVirtuals "1";
Binary::apt::APT::Cache::Search "";
Binary::apt::APT::Cache::Search::Version "2";
Binary::apt::APT::Cache::ShowDependencyType "1";
Binary::apt::APT::Cache::ShowVersion "1";
Binary::apt::APT::Get "";
Binary::apt::APT::Get::Upgrade-Allow-New "1";
Binary::apt::APT::Get::Update "";
Binary::apt::APT::Get::Update::InteractiveReleaseInfoChanges "1";
Binary::apt::APT::Cmd "";
Binary::apt::APT::Cmd::Show-Update-Stats "1";
Binary::apt::APT::Keep-Downloaded-Packages "0";
Binary::apt::DPkg "";
Binary::apt::DPkg::Progress-Fancy "1";
CommandLine "";
CommandLine::AsString "apt-config dump";
-- (no /etc/apt/preferences present) --
-- (no /etc/apt/preferences.d/* present) --
-- /etc/apt/sources.list --
deb http://deb.debian.org/debian testing main contrib non-free
deb-src http://deb.debian.org/debian testing main contrib non-free
deb http://debug.mirrors.debian.org/debian-debug/ testing-debug main
deb http://deb.debian.org/debian unstable main contrib non-free
deb-src http://deb.debian.org/debian unstable main contrib non-free
deb http://debug.mirrors.debian.org/debian-debug/ unstable-debug main
deb-src http://deb.debian.org/debian experimental main contrib non-free
#deb http://deb.debian.org/debian sid main contrib non-free
#deb-src http://deb.debian.org/debian sid main contrib non-free
-- /etc/apt/sources.list.d/google-chrome.list --
### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out this entry, but any other modifications may be lost.
deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
-- /etc/apt/sources.list.d/i3-autobuild.list --
deb http://dl.bintray.com/i3/i3-autobuild sid main
-- System Information:
Debian Release: buster/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable-debug'), (500, 'testing-debug'), (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armel, mipsel, arm64
Kernel: Linux 4.18.0-2-amd64 (SMP w/16 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages apt depends on:
ii adduser 3.118
ii debian-archive-keyring 2018.1
ii gpgv 2.2.10-3
ii libapt-pkg5.0 1.8.0~alpha3
ii libc6 2.28-2
ii libgcc1 1:8.2.0-9
ii libgnutls30 3.6.5-2
ii libseccomp2 2.3.3-3
ii libstdc++6 8.2.0-9
Versions of packages apt recommends:
ii ca-certificates 20170717
Versions of packages apt suggests:
ii apt-doc 1.7.0
ii aptitude 0.8.11-3+b1
ii dpkg-dev 1.19.2
ii gnupg 2.2.10-3
ii gnupg2 2.2.10-3
ii powermgmt-base 1.33
-- no debconf information
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