I just encountered the same problem on an upgrade from 9.x to 10.1, when using LABEL= directives in /etc/fstab. I also had to use "vgchange -ay" in the boot rescue shell. Changing fstab to use /dev/vg*/* paths resulted in a system that boots without intervention.
---------------------------------------- reportbug --template lvm2 output includes Package: lvm2 Version: 2.03.02-3 Debian Release: 10.1 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'oldstable-updates'), (500, 'stable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.19.0-6-amd64 (SMP w/2 CPU cores) Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages lvm2 depends on: ii dmeventd 2:1.02.155-3 ii dmsetup 2:1.02.155-3 ii libaio1 0.3.112-3 ii libblkid1 2.33.1-0.1 ii libc6 2.28-10 ii libdevmapper-event1.02.1 2:1.02.155-3 ii libdevmapper1.02.1 2:1.02.155-3 ii libreadline5 5.2+dfsg-3+b13 ii libselinux1 2.8-1+b1 ii libsystemd0 241-7~deb10u1 ii libudev1 241-7~deb10u1 ii lsb-base 10.2019051400 Versions of packages lvm2 recommends: ii thin-provisioning-tools 0.7.6-2.1 ---------------------------------------- Failing /etc/fstab included these lines LABEL=DEB_ROOT / ext4 noatime 0 1 LABEL=DEB_USR /usr ext4 noatime 0 2 LABEL=DEB_VAR /var ext4 noatime 0 2 LABEL=BOOT /boot ext4 noatime 0 2 LABEL=TMP /tmp ext4 noatime,nodev 0 2 LABEL=HOME /home ext4 noatime 0 2 LABEL=ALL /all ext4 noatime 0 2 LABEL=SWAP swap swap sw 0 0 ---------------------------------------- Working /etc/fstab includes these lines /dev/vgfast/deb_root / ext4 noatime 0 1 /dev/vgfast/deb_usr /usr ext4 noatime 0 2 /dev/vgfast/deb_var /var ext4 noatime 0 2 /dev/vgfast/tmp /tmp ext4 noatime,nodev 0 2 /dev/vgfast/home /home ext4 noatime 0 2 /dev/vgfast/all /all ext4 noatime 0 2 /dev/vgfast/swap swap swap sw 0 0 LABEL=BOOT /boot ext4 noatime 0 2 ----------------------------------------