since upgrading to udev-215 drives never spindown, Im seeing frequent disk activity on all drives by systemd-udevd. machine is a kvm host, the drives accessed are not mounted in the host but part of mdraid/lvm volumes used in guests. I downgraded to 208 now to avoid the issue. Jul 31 20:13:02 alina kernel: systemd-udevd(12830): READ block 7814036992 on sdk (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12830): READ block 7814037152 on sdk (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12830): READ block 8 on sdk (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12828): READ block 7814036992 on sdl (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12828): READ block 7814037152 on sdl (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12825): READ block 7814036992 on sdn (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12825): READ block 7814037152 on sdn (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12825): READ block 8 on sdn (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12816): READ block 56 on sdi (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12826): READ block 7814036992 on sdm (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12826): READ block 7814037152 on sdm (8 sectors) Jul 31 20:13:02 alina kernel: systemd-udevd(12826): READ block 8 on sdm (8 sectors) Jul 31 20:14:13 alina kernel: systemd-udevd(12370): READ block 0 on sde (8 sectors) Jul 31 20:14:13 alina kernel: systemd-udevd(12370): READ block 0 on sdj (8 sectors) Jul 31 20:14:13 alina kernel: systemd-udevd(12847): READ block 1953524992 on sde (8 sectors) Jul 31 20:14:13 alina kernel: systemd-udevd(12847): READ block 24 on sde (8 sectors) Jul 31 20:14:13 alina kernel: systemd-udevd(12847): READ block 56 on sde (8 sectors) Jul 31 20:14:15 alina kernel: systemd-udevd(12370): READ block 0 on sdi (8 sectors) Jul 31 20:14:20 alina kernel: systemd-udevd(12370): READ block 0 on sdn (8 sectors) Jul 31 20:14:30 alina kernel: systemd-udevd(12370): READ block 0 on sdm (8 sectors) Jul 31 20:14:42 alina kernel: systemd-udevd(12370): READ block 0 on sdl (8 sectors) Jul 31 20:14:42 alina kernel: systemd-udevd(12847): READ block 1953524992 on sdj (8 sectors) Jul 31 20:14:42 alina kernel: systemd-udevd(12847): READ block 24 on sdj (8 sectors) Jul 31 20:14:42 alina kernel: systemd-udevd(12847): READ block 56 on sdj (8 sectors) Jul 31 20:14:54 alina kernel: systemd-udevd(12370): READ block 8 on sdl (8 sectors) Jul 31 20:14:54 alina kernel: systemd-udevd(12370): READ block 16 on sdl (8 sectors) Jul 31 20:14:54 alina kernel: systemd-udevd(12370): READ block 24 on sdl (8 sectors) Jul 31 20:14:54 alina kernel: systemd-udevd(12370): READ block 32 on sdl (8 sectors) Jul 31 20:14:54 alina kernel: systemd-udevd(12370): READ block 0 on sdk (8 sectors) Jul 31 20:15:05 alina kernel: systemd-udevd(12847): READ block 1953524992 on sdi (8 sectors) Jul 31 20:15:05 alina kernel: systemd-udevd(12847): READ block 24 on sdi (8 sectors) Reproducible: Always Portage 2.2.8-r1 (default/linux/amd64/13.0, gcc-4.7.3, glibc-2.19-r1, 3.12.21-gentoo-r1 x86_64) ================================================================= System uname: Linux-3.12.21-gentoo-r1-x86_64-Intel-R-_Xeon-R-_CPU_E5430_@_2.66GHz-with-gentoo-2.2 KiB Mem: 8194852 total, 273328 free KiB Swap: 16777212 total, 16527556 free Timestamp of tree: Fri, 01 Aug 2014 02:45:01 +0000 ld GNU ld (GNU Binutils) 2.23.2 ccache version 3.1.9 [enabled] app-shells/bash: 4.2_p45 dev-lang/python: 2.7.6, 3.3.3 dev-util/ccache: 3.1.9-r3 dev-util/cmake: 2.8.12.2-r1 dev-util/pkgconfig: 0.28-r1 sys-apps/baselayout: 2.2 sys-apps/openrc: 0.12.4 sys-apps/sandbox: 2.6-r1 sys-devel/autoconf: 2.69 sys-devel/automake: 1.12.6, 1.13.4 sys-devel/binutils: 2.23.2 sys-devel/gcc: 4.7.3-r1 sys-devel/gcc-config: 1.7.3 sys-devel/libtool: 2.4.2-r1 sys-devel/make: 3.82-r4 sys-kernel/linux-headers: 3.13 (virtual/os-headers) sys-libs/glibc: 2.19-r1 Repositories: gentoo sunrise ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="* -@EULA" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=nocona -O2 -pipe -fomit-frame-pointer" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXXFLAGS="-O2 -pipe -march=nocona -O2 -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs ccache config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="ftp://mirror.netcologne.de/gentoo/ ftp://gentoo.imj.fr/pub/gentoo/ ftp://ftp-stud.hs-esslingen.de/pub/Mirrors/gentoo/ http://ftp.uni-erlangen.de/pub/mirrors/gentoo http://91.121.124.139/gentoo-distfiles/ rsync://ftp-stud.hs-esslingen.de/gentoo/ http://ftp.snt.utwente.nl/pub/os/linux/gentoo ftp://gentoo.mirror.dkm.cz/pub/gentoo/ http://gentoo.modulix.net/gentoo/ http://gentoo.supp.name/" LANG="en_US.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" 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" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/var/lib/layman/sunrise" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="acl acpi amd64 berkdb bzip2 cli cracklib crypt cxx device-mapper dhcp dri fortran gdbm hddtemp hvm iconv ipv6 kvm lm_sensors logrotate loop-aes lvm mmx modules multilib ncurses nls nptl openmp pam pcre readline sasl session sse sse2 sse3 ssl ssse3 tcpd unicode virt-network zlib" ABI_X86="64" 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="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_3" QEMU_SOFTMMU_TARGETS="x86_64" RUBY_TARGETS="ruby19 ruby20" USERLAND="GNU" VIDEO_CARDS="fbdev glint intel mach64 mga nouveau nv r128 radeon savage sis tdfx trident vesa via vmware dummy v4l" 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: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
udev-212 works ok, too.
same with =sys-fs/udev-216?
yes
