Public bug reported:
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
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal third-party-packages
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https://bugs.launchpad.net/bugs/1928594
Title:
Setting up encrypted swap causes ordering cycle
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