As I am on the unstable tree, update regularly and have limited disk space, I found eclean-kernel a handy package. However the functionality to detect whether a kernel is referenced by the bootloader appears to be flawed. I just removed 2 kernels using eclean-kernel which were in my grub config and the grub config got updated (which is correct), however the output indicates they were not. Reproducible: Always Actual Results: ZeusGentoo ~ # eclean-kernel -l 5.16.12-gentoo-APT-2022 [5.16.12-gentoo-APT-2022] - systemmap: /boot/System.map-5.16.12-gentoo-APT-2022 - config: /boot/config-5.16.12-gentoo-APT-2022 - vmlinuz: /boot/vmlinuz-5.16.12-gentoo-APT-2022 - modules: /lib/modules/5.16.12-gentoo-APT-2022 - build: /usr/src/linux-5.16.12-gentoo - last modified: 2022-03-03 19:50:39 5.16.11-gentoo-APT-2022 [5.16.11-gentoo-APT-2022] - systemmap: /boot/System.map-5.16.11-gentoo-APT-2022 - config: /boot/config-5.16.11-gentoo-APT-2022 - vmlinuz: /boot/vmlinuz-5.16.11-gentoo-APT-2022 - modules: /lib/modules/5.16.11-gentoo-APT-2022 - build: /usr/src/linux-5.16.11-gentoo - last modified: 2022-02-24 08:27:18 5.16.10-gentoo-APT-2022 [5.16.10-gentoo-APT-2022] - systemmap: /boot/System.map-5.16.10-gentoo-APT-2022 - config: /boot/config-5.16.10-gentoo-APT-2022 - vmlinuz: /boot/vmlinuz-5.16.10-gentoo-APT-2022 - modules: /lib/modules/5.16.10-gentoo-APT-2022 - build: /usr/src/linux-5.16.10-gentoo - last modified: 2022-02-16 19:33:58 5.16.9-gentoo-APT-2022 [5.16.9-gentoo-APT-2022] - systemmap: /boot/System.map-5.16.9-gentoo-APT-2022 - config: /boot/config-5.16.9-gentoo-APT-2022 - vmlinuz: /boot/vmlinuz-5.16.9-gentoo-APT-2022 - modules: /lib/modules/5.16.9-gentoo-APT-2022 - build: /usr/src/linux-5.16.9-gentoo - last modified: 2022-02-13 21:22:03 ZeusGentoo ~ # eclean-kernel -n 2 Legend: [-] file being removed [x] file does not exist (anymore) [+] file being kept (used by other kernels) * Removing kernel 5.16.10-gentoo-APT-2022 (not referenced by bootloader (grub2)) [-] /boot/vmlinuz-5.16.10-gentoo-APT-2022 [-] /usr/src/linux-5.16.10-gentoo [-] /lib/modules/5.16.10-gentoo-APT-2022 [-] /boot/System.map-5.16.10-gentoo-APT-2022 [-] /boot/config-5.16.10-gentoo-APT-2022 * Removing kernel 5.16.9-gentoo-APT-2022 (not referenced by bootloader (grub2)) [-] /boot/vmlinuz-5.16.9-gentoo-APT-2022 [-] /usr/src/linux-5.16.9-gentoo [-] /lib/modules/5.16.9-gentoo-APT-2022 [-] /boot/System.map-5.16.9-gentoo-APT-2022 [-] /boot/config-5.16.9-gentoo-APT-2022 Removed 2 kernels Generating grub configuration file ... Found linux image: /boot/vmlinuz-5.16.12-gentoo-APT-2022 Found initrd image: /boot/amd-uc.img Found linux image: /boot/vmlinuz-5.16.11-gentoo-APT-2022 Found initrd image: /boot/amd-uc.img Warning: os-prober will be executed to detect other bootable partitions. Its output will be used to detect bootable binaries on them and create new boot entries. Found Windows Boot Manager on /dev/nvme0n1p1@/efi/Microsoft/Boot/bootmgfw.efi Found Gentoo Linux on /dev/sdb2 Found Arch Linux on /dev/sdb4 Found Fedora Linux 35 (Workstation Edition) on /dev/sdb5 Found Linux From Scratch (11.0-systemd) on /dev/sdb8 Found Drauger OS 7.5.1 Zombi (7.5.1) on /dev/sdb9 Adding boot menu entry for UEFI Firmware Settings ... done ZeusGentoo ~ # ZeusGentoo ~ # emerge --info setlocale: unsupported locale setting setlocale: unsupported locale setting Portage 3.0.30 (python 3.10.2-final-0, default/linux/amd64/17.1/desktop/plasma/systemd, gcc-11.2.0, glibc-2.34-r9, 5.16.12-gentoo-APT-2022 x86_64) ================================================================= System uname: Linux-5.16.12-gentoo-APT-2022-x86_64-AMD_Ryzen_5_2600_Six-Core_Processor-with-glibc2.34 KiB Mem: 16387852 total, 12176560 free KiB Swap: 8390652 total, 8390652 free Timestamp of repository gentoo: Thu, 03 Mar 2022 19:30:01 +0000 Head commit of repository gentoo: cb2a1157edf32933e31df8ccf2ac8b32263d88c8 sh bash 5.1_p16 ld GNU ld (Gentoo 2.37_p1 p2) 2.37 app-misc/pax-utils: 1.3.3::gentoo app-shells/bash: 5.1_p16::gentoo dev-lang/perl: 5.34.0-r8::gentoo dev-lang/python: 2.7.18_p13::gentoo, 3.9.10-r1::gentoo, 3.10.2-r1::gentoo dev-lang/rust: 1.58.1::gentoo dev-util/cmake: 3.22.2::gentoo dev-util/meson: 0.61.1::gentoo sys-apps/baselayout: 2.8::gentoo sys-apps/sandbox: 2.29::gentoo sys-apps/systemd: 250.3::gentoo sys-devel/autoconf: 2.71-r1::gentoo sys-devel/automake: 1.16.5::gentoo sys-devel/binutils: 2.37_p1-r2::gentoo sys-devel/binutils-config: 5.4.1::gentoo sys-devel/gcc: 11.2.0::gentoo sys-devel/gcc-config: 2.5-r1::gentoo sys-devel/libtool: 2.4.6-r6::gentoo sys-devel/llvm: 13.0.1::gentoo sys-devel/make: 4.3::gentoo sys-kernel/linux-headers: 5.16::gentoo (virtual/os-headers) sys-libs/glibc: 2.34-r9::gentoo Repositories: gentoo location: /var/db/repos/gentoo sync-type: rsync sync-uri: rsync://rsync.gentoo.org/gentoo-portage priority: -1000 sync-rsync-extra-opts: sync-rsync-verify-metamanifest: yes sync-rsync-verify-max-age: 24 sync-rsync-verify-jobs: 1 ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="*" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=znver1 -O3 -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /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="-march=znver1 -O3 -pipe" DISTDIR="/var/cache/distfiles" 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="-march=znver1 -O3 -pipe" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs buildpkg-live 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="-march=znver1 -O3 -pipe" GENTOO_MIRRORS=" http://mirror.leaseweb.com/gentoo/ http://ftp.snt.utwente.nl/pub/os/linux/gentoo http://mirrors.soeasyto.com/distfiles.gentoo.org/ http://ftp.belnet.be/pub/rsync.gentoo.org/gentoo/ " LANG="en_NL.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j12" 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" SHELL="/bin/bash" USE="7zip X a52 aac acl acpi activities alsa amd64 audit branding btrfs bzip2 cairo cdda cli creds crypt cups dbus declarative dri dts encode exif fat ffmpeg flac gdbm gif gpm gui iconv icu ipv6 jpeg kde kwallet lcms libglvnd libnotify libtirpc lm-sensors lzma mad mng mp3 mp4 mpeg multilib ncurses networkmanager nls nptl ntfs ogg opengl openmp pam pango pcre pdf plasma plymouth png policykit ppds pulseaudio qml qt5 readline sdl seccomp semantic-desktop spell split-usr ssl startup-notification svg systemd tiff truetype udev udisks unicode upower usb vaapi vdpau vorbis widgets wxwidgets x264 xattr xcb xml xv xvid zlib" ABI_X86="64" ADA_TARGET="gnat_2020" ALSA_CARDS="hda-intel" 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" CAMERAS="canon" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt rdrand 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" INPUT_DEVICES="libinput" KERNEL="linux" 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="php7-4 php8-0" POSTGRES_TARGETS="postgres12 postgres13" PYTHON_SINGLE_TARGET="python3_9" PYTHON_TARGETS="python3_9 python3_10" RUBY_TARGETS="ruby26 ruby27" USERLAND="GNU" VIDEO_CARDS="amdgpu fbdev radeonsi vesa" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EMERGE_DEFAULT_OPTS, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LEX, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RANLIB, READELF, RUSTFLAGS, SIZE, STRINGS, STRIP, YACC, YFLAGS ZeusGentoo ~ #
