I have a similar problem here. This is a new sid install from about a month ago after a crash of my disk holding / but reusing a LVM (over md soft. raid1) from the previous install for the other disks.
It worked for a week or 2 then stopped. On boot, I now get an emergency shell asking for root password, then if I just type in /etc/init.d/lvm2 restart and leaves the shell, everything goes well. Unlike Michael Biebl, I have the TAGS=:systemd: let me know what other information I could provide e.g. with one of the LVM drives % udevadm info /dev/mapper/sachiel-var P: /devices/virtual/block/dm-4 N: dm-4 S: disk/by-id/dm-name-sachiel-var S: disk/by-id/dm-uuid-LVM- ThEHmA0ngDtyTvk6SsMuYjUgzoUwT3Cfw0zaY6A2GHRy771NzuEdk9aTgR5IBkvK S: disk/by-label/Var S: disk/by-uuid/c8e45d1e-2a80-441e-8bb6-00277b580feb S: mapper/sachiel-var S: sachiel/var E: DEVLINKS=/dev/disk/by-id/dm-name-sachiel-var /dev/disk/by-id/dm-uuid-LVM- ThEHmA0ngDtyTvk6SsMuYjUgzoUwT3Cfw0zaY6A2GHRy771NzuEdk9aTgR5IBkvK /dev/disk/by- label/Var /dev/disk/by-uuid/c8e45d1e-2a80-441e-8bb6-00277b580feb /dev/mapper/sachiel-var /dev/sachiel/var E: DEVNAME=/dev/dm-4 E: DEVPATH=/devices/virtual/block/dm-4 E: DEVTYPE=disk E: DM_LV_NAME=var E: DM_NAME=sachiel-var E: DM_SUSPENDED=0 E: DM_UDEV_DISABLE_LIBRARY_FALLBACK_FLAG=1 E: DM_UDEV_PRIMARY_SOURCE_FLAG=1 E: DM_UDEV_RULES=1 E: DM_UUID=LVM- ThEHmA0ngDtyTvk6SsMuYjUgzoUwT3Cfw0zaY6A2GHRy771NzuEdk9aTgR5IBkvK E: DM_VG_NAME=sachiel E: ID_FS_LABEL=Var E: ID_FS_LABEL_ENC=Var E: ID_FS_TYPE=ext4 E: ID_FS_USAGE=filesystem E: ID_FS_UUID=c8e45d1e-2a80-441e-8bb6-00277b580feb E: ID_FS_UUID_ENC=c8e45d1e-2a80-441e-8bb6-00277b580feb E: ID_FS_VERSION=1.0 E: MAJOR=254 E: MINOR=4 E: SUBSYSTEM=block E: TAGS=:systemd: E: USEC_INITIALIZED=2141194 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org