Bug 941976 – sys-apps/watchdog-5.16-r1: unable to set realtime priority

• Product: Gentoo Linux
• Status: UNCONFIRMED ---

[Description Aleksey Kunitskiy 2024-10-22 15:06:18 UTC]

When realtime option is enabled in /etc/watchdog.conf:

realtime		= yes
priority		= 1

watchdog unable to set realtime priority (errno = 38 = 'Function not implemented') with following log output:

watchdog[5786]: starting daemon (5.16): 
watchdog[5786]:  int=1s realtime=yes sync=no load=0,0,0 soft=no 
watchdog[5786]:  memory not checked 
watchdog[5786]:  ping: no machine to check 
watchdog[5786]:  file: no file to check 
watchdog[5786]:  pidfile: no server process to check 
watchdog[5786]:  interface: no interface to check 
watchdog[5786]:  temperature: no sensors to check 
watchdog[5786]:  no test binary files 
watchdog[5786]:  no repair binary files 
watchdog[5786]:  error retry time-out = 60 seconds 
watchdog[5786]:  repair attempts = 1 
watchdog[5786]:  alive=/dev/watchdog heartbeat=[none] to=root no_act=no force=no 
watchdog[5786]: watchdog now set to 60 seconds 
watchdog[5786]: hardware watchdog identity: wdat_wdt 
watchdog[5786]: cannot set scheduler (errno = 38 = 'Function not implemented')

Reproducible: Always

Steps to Reproduce:
1. set realtime option in /etc/watchdog.conf
2. start daemon
3. check watchdog process and see there is no realtime priority
4. check logs



Portage 3.0.65 (python 3.12.6-final-0, default/linux/amd64/23.0/musl, gcc-13, musl-1.2.4-r2, 6.6.51-gentoo-dist x86_64)
=================================================================
System uname: Linux-6.6.51-gentoo-dist-x86_64-Intel-R-_Celeron-R-_J4125_CPU_@_2.00GHz-with-libc
KiB Mem:     7951064 total,   3758264 free
KiB Swap:    2097148 total,   2097148 free
Timestamp of repository gentoo: Tue, 22 Oct 2024 08:30:00 +0000
Head commit of repository gentoo: 2aa5dc44303090a50cde94e7afac9a9cda90d68f
sh bash 5.2_p37
ld GNU ld (Gentoo 2.42 p6) 2.42.0
app-misc/pax-utils:        1.3.7::gentoo
app-shells/bash:           5.2_p37::gentoo
dev-build/autoconf:        2.71-r7::gentoo
dev-build/automake:        1.16.5-r2::gentoo
dev-build/cmake:           3.30.5::gentoo
dev-build/libtool:         2.4.7-r4::gentoo
dev-build/make:            4.4.1-r1::gentoo
dev-build/meson:           1.5.2::gentoo
dev-lang/perl:             5.40.0::gentoo
dev-lang/python:           3.12.6_p4::gentoo
dev-lang/rust:             1.81.0::gentoo
sys-apps/baselayout:       2.15::gentoo
sys-apps/openrc:           0.54.2::gentoo
sys-apps/sandbox:          2.39::gentoo
sys-devel/binutils:        2.42-r2::gentoo
sys-devel/binutils-config: 5.5.2::gentoo
sys-devel/gcc:             13.3.1_p20240614::gentoo
sys-devel/gcc-config:      2.11::gentoo
sys-kernel/linux-headers:  6.6-r1::gentoo (virtual/os-headers)
sys-libs/musl:             1.2.4-r2::gentoo
Repositories:

gentoo
    location: /var/db/repos/gentoo
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    volatile: False
    sync-rsync-verify-max-age: 3
    sync-rsync-extra-opts: 
    sync-rsync-verify-metamanifest: yes
    sync-rsync-verify-jobs: 1

Binary Repositories:

gentoobinhost
    priority: 1
    sync-uri: https://distfiles.gentoo.org/releases/amd64/binpackages/23.0/x86-64_musl

ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="*"
CBUILD="x86_64-pc-linux-musl"
CFLAGS="-O2 -pipe -march=x86-64-v2 -mtune=generic"
CHOST="x86_64-pc-linux-musl"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d"
CXXFLAGS="-O2 -pipe -march=x86-64-v2 -mtune=generic"
DISTDIR="/var/cache/distfiles"
ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GDK_PIXBUF_MODULE_FILE 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 XDG_STATE_HOME"
FCFLAGS="-O2 -pipe -march=x86-64-v2 -mtune=generic"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance binpkg-request-signature buildpkg-live config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync merge-wait network-sandbox news parallel-fetch pid-sandbox pkgdir-index-trusted 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=x86-64-v2 -mtune=generic"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
INSTALL_MASK="charset.alias /usr/share/locale/locale.alias"
LANG="C.UTF8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs"
LEX="flex"
MAKEFLAGS="-j4 -l4"
PKGDIR="/var/cache/binpkgs"
PORTAGE_COMPRESS=""
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"
RUSTFLAGS="-C target-cpu=native"
SHELL="/bin/zsh"
USE="acl amd64 bzip2 cet crypt dist-kernel iconv ipv6 libtirpc ncurses nls openmp pam pcre pic readline seccomp ssl test-rust unicode vaapi verify-sig xattr zlib" ABI_X86="64" ADA_TARGET="gcc_12" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_anon authn_dbm authn_file authz_dbm authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir env expires ext_filter file_cache filter headers include info log_config logio 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="mmx mmxext sse sse2 aes pclmul popcnt rdrand sha sse3 sse4_1 sse4_2 ssse3" ELIBC="musl" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax navcom oceanserver oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 tsip tripmate tnt ublox" GRUB_PLATFORMS="efi-64" GUILE_SINGLE_TARGET="3-0" GUILE_TARGETS="3-0" INPUT_DEVICES="libinput" KERNEL="linux" LCD_DEVICES="bayrad cfontz glk hd44780 lb216 lcdm001 mtxorb text" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php8-2" POSTGRES_TARGETS="postgres16" PYTHON_SINGLE_TARGET="python3_12" PYTHON_TARGETS="python3_12" RUBY_TARGETS="ruby32" VIDEO_CARDS="intel" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipp2p iface geoip fuzzy condition tarpit sysrq proto 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, LC_ALL, LD, LFLAGS, LIBTOOL, LINGUAS, MAKE, MAKEOPTS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PYTHONPATH, RANLIB, READELF, SIZE, STRINGS, STRIP, YACC, YFLAGS