This looks an awful lot like bug 1875577 and from reading the latest comments it seems like that was never fixed in focal.
Colin did you ever get focal updated with the fix for bug 1875577? ** Package changed: systemd (Ubuntu) => zfs-linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1928594 Title: Setting up encrypted swap causes ordering cycle Status in zfs-linux package in Ubuntu: New Bug description: root@home:~# cat /etc/crypttab # <target name> <source device> <key file> <options> cswap /dev/disk/by-partuuid/95605326-e210-4e13-9f93-50cc3d556aca /dev/urandom cipher=aes-xts-plain64,size=256,hash=sha1,swap root@home:~# update-initramfs -u update-initramfs: Generating /boot/initrd.img-5.4.0-73-generic cryptsetup: WARNING: Resume target cswap uses a key file After reboot: root@home:~# systemctl status systemd-random-seed.service ● systemd-random-seed.service - Load/Save Random Seed Loaded: loaded (/lib/systemd/system/systemd-random-seed.service; static; vendor preset: enabled) Active: inactive (dead) Docs: man:systemd-random-seed.service(8) man:random(4) May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Found dependency on cryptsetup.target/start May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Found dependency on systemd-cryptsetup@cswap.service/start May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Job systemd-random-seed.service/start deleted to break ordering cycle starting with systemd-cryptsetup@cswap.service/start May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Found ordering cycle on systemd-random-seed.service/start May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Found dependency on zfs-mount.service/start May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Found dependency on zfs-import.target/start May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Found dependency on zfs-import-cache.service/start May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Found dependency on cryptsetup.target/start May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Found dependency on systemd-cryptsetup@cswap.service/start May 16 18:29:16 home systemd[1]: systemd-cryptsetup@cswap.service: Job systemd-random-seed.service/start deleted to break ordering cycle starting with systemd-cryptsetup@cswap.service/start ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: systemd 245.4-4ubuntu3.6 ProcVersionSignature: Ubuntu 5.4.0-73.82-generic 5.4.106 Uname: Linux 5.4.0-73-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu27.17 Architecture: amd64 CasperMD5CheckMismatches: ./boot/grub/efi.img CasperMD5CheckResult: fail Date: Sun May 16 18:40:45 2021 InstallationDate: Installed on 2021-01-21 (115 days ago) InstallationMedia: Ubuntu-Server 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) Lsusb: Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 051d:0002 American Power Conversion Uninterruptible Power Supply Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Lsusb-t: /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 5000M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/16p, 480M |__ Port 6: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M MachineType: System manufacturer System Product Name ProcEnviron: SHELL=/bin/bash LANG=C.UTF-8 TERM=screen.xterm-256color PATH=(custom, no user) ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-73-generic root=UUID=7c964d4b-ef4d-40df-b297-631e4233f297 ro bootdegraded=true transparent_hugepage=never SourcePackage: systemd UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/14/2018 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3801 dmi.board.asset.tag: Default string dmi.board.name: Z170-E dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3801:bd03/14/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnZ170-E:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: To be filled by O.E.M. dmi.product.name: System Product Name dmi.product.sku: SKU dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1928594/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
