Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: zfs-linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1904764
Title:
failed boot mount, and systemd ordering cycle on zfs-import.target
Status in zfs-linux package in Ubuntu:
Confirmed
Bug description:
On a new Ubuntu 20.10 ZoL root I frequently get boot failures, and I
see these errors:
[ 11.353930] systemd[1]: boot.mount: Mount process exited, code=exited,
status=1/FAILURE
[ 11.353934] systemd[1]: boot.mount: Failed with result 'exit-code'.
[ 11.354267] systemd[1]: Failed to mount /boot.
[ 11.354307] systemd[1]: Dependency failed for /boot/efi.
[ 11.354327] systemd[1]: Dependency failed for /boot/grub.
[ 11.354344] systemd[1]: Dependency failed for Local File Systems.
[ 11.354365] systemd[1]: local-fs.target: Job local-fs.target/start failed
with result 'dependency'.
[ 11.354367] systemd[1]: local-fs.target: Triggering OnFailure=
dependencies.
[ 11.355088] systemd[1]: var-lib.mount: Found ordering cycle on
zfs-import.target/start
[ 11.355090] systemd[1]: var-lib.mount: Found dependency on
zfs-import-cache.service/start
[ 11.355091] systemd[1]: var-lib.mount: Found dependency on
zfs-load-module.service/start
[ 11.355093] systemd[1]: var-lib.mount: Found dependency on
cryptsetup.target/start
[ 11.355094] systemd[1]: var-lib.mount: Found dependency on
[email protected]/start
[ 11.355096] systemd[1]: var-lib.mount: Found dependency on
systemd-random-seed.service/start
[ 11.355097] systemd[1]: var-lib.mount: Found dependency on
var-lib.mount/start
[ 11.355099] systemd[1]: var-lib.mount: Job zfs-import.target/start deleted
to break ordering cycle starting with var-lib.mount/start
[ 11.355819] systemd[1]: boot-grub.mount: Job boot-grub.mount/start failed
with result 'dependency'.
[ 11.355823] systemd[1]: boot-efi.mount: Job boot-efi.mount/start failed
with result 'dependency'.
Journalctl shows "filesystem 'bpool/BOOT/ubuntu_o9gk00' cannot be
mounted, unable to open the dataset" for boot.mount
I can manually start boot.mount from the console, which then lets the
boot process complete.
N.B. "zfs list" is
NAME USED AVAIL REFER
MOUNTPOINT
bpool 402M 1.36G 96K
/boot
bpool/BOOT 401M 1.36G 96K none
bpool/BOOT/ubuntu_o9gk00 401M 1.36G 201M
/boot
rpool 171G 720G 192K /
rpool/ROOT 9.26G 720G 192K none
rpool/ROOT/ubuntu_ 1.57G 720G 5.16G /
rpool/ROOT/ubuntu_o9gk00 7.69G 720G 4.24G /
rpool/ROOT/ubuntu_o9gk00/srv 192K 720G 192K /srv
rpool/ROOT/ubuntu_o9gk00/usr 1.02M 720G 192K /usr
rpool/ROOT/ubuntu_o9gk00/usr/local 852K 720G 388K
/usr/local
rpool/ROOT/ubuntu_o9gk00/var 2.09G 720G 192K /var
rpool/ROOT/ubuntu_o9gk00/var/games 192K 720G 192K
/var/games
rpool/ROOT/ubuntu_o9gk00/var/lib 1.85G 720G 1.42G
/var/lib
rpool/ROOT/ubuntu_o9gk00/var/lib/AccountsService 1.39M 720G 496K
/var/lib/AccountsService
rpool/ROOT/ubuntu_o9gk00/var/lib/NetworkManager 3.39M 720G 292K
/var/lib/NetworkManager
rpool/ROOT/ubuntu_o9gk00/var/lib/apt 87.2M 720G 78.0M
/var/lib/apt
rpool/ROOT/ubuntu_o9gk00/var/lib/dpkg 148M 720G 63.6M
/var/lib/dpkg
rpool/ROOT/ubuntu_o9gk00/var/log 223M 720G 94.2M
/var/log
rpool/ROOT/ubuntu_o9gk00/var/mail 1.19M 720G 224K
/var/mail
rpool/ROOT/ubuntu_o9gk00/var/snap 940K 720G 500K
/var/snap
rpool/ROOT/ubuntu_o9gk00/var/spool 26.7M 720G 5.52M
/var/spool
rpool/ROOT/ubuntu_o9gk00/var/www 192K 720G 192K
/var/www
rpool/USERDATA 162G 720G 192K /
rpool/USERDATA/chris_hwz0bd 162G 720G 156G
/home/chris
rpool/USERDATA/root_hwz0bd 2.91M 720G 804K
/root
rpool/keystore 518M 720G 48.1M -
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