Thank you all for investigating and fixing this.
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https://bugs.launchpad.net/bugs/1959085
Title:
Ubuntu 22.04 boot stuck in initramfs, when installed with zfs
encryption
Status in Ubuntu CD Images:
Fix Released
Status in initramfs-tools package in Ubuntu:
Invalid
Status in zfs-linux package in Ubuntu:
Fix Released
Bug description:
Hi,
I just installed the latest Ubuntu desktop from iso file
ubuntu-21.10-desktop-amd64.iso inside of VMWare workstation. I chose
ZFS and native ZFS encryption of the filesystem. The installation went
fine. Everything worked as expected.
Then I upgraded the packages to the latest version via the Software
updater. After reboot I'm stuck in the initramfs prompt. The following
command fails:
mount -o zfsutil -t zfs rpool/ROOT/ubuntu_gtw63h /root//
Permission denied.
And the system never asks me for the password to unlock the root fs.
So, I'm guessing that there is something wrong with the new initramfs
disk: initrd.img-5.13.0-27-generic
When I reboot and select the previous version in grub:
initrd.img-5.13.0-27-generic, the system asks for the password and
boots without a problem.
Thanks.
To summarize:
1. Installed new VM using the Ubuntu iso image. Chose ZFS native encryption.
Minimal install.
2. As soon as the system came up, I hit the update/upgrade prompt. Rebooted
and failed to boot the new version.
I didn't customize anything or installed anything extra.
root@ubud01:/var# lsb_release -rd
Description: Ubuntu 21.10
Release: 21.10
root@ubud01:/var# dpkg -l | grep zfs
ii libzfs4linux 2.0.6-1ubuntu2
amd64 OpenZFS filesystem library for Linux
ii zfs-initramfs 2.0.6-1ubuntu2
amd64 OpenZFS root filesystem capabilities for Linux -
initramfs
ii zfs-zed 2.0.6-1ubuntu2
amd64 OpenZFS Event Daemon
ii zfsutils-linux 2.0.6-1ubuntu2
amd64 command-line tools to manage OpenZFS filesystems
root@ubud01:/var# dpkg -l | grep init
ii busybox-initramfs 1:1.30.1-6ubuntu3.1
amd64 Standalone shell setup for initramfs
ii cryptsetup-initramfs 2:2.3.6-0ubuntu1
all disk encryption support - initramfs integration
ii gnome-initial-setup 40.4-1ubuntu1
amd64 Initial GNOME system setup helper
ii init 1.60build1
amd64 metapackage ensuring an init system is installed
ii init-system-helpers 1.60build1
all helper tools for all init systems
ii initramfs-tools 0.140ubuntu6
all generic modular initramfs generator (automation)
ii initramfs-tools-bin 0.140ubuntu6
amd64 binaries used by initramfs-tools
ii initramfs-tools-core 0.140ubuntu6
all generic modular initramfs generator (core tools)
ii libatopology2:amd64 1.2.4-1.1ubuntu3.1
amd64 shared library for handling ALSA topology definitions
ii libklibc:amd64 2.0.8-6.1ubuntu2
amd64 minimal libc subset for use with initramfs
ii lsb-base 11.1.0ubuntu3
all Linux Standard Base init script functionality
ii ncurses-base 6.2+20201114-2build1
all basic terminal type definitions
ii sysvinit-utils 2.96-7ubuntu1
amd64 System-V-like utilities
ii xinit 1.4.1-0ubuntu3
amd64 X server initialisation tool
ii zfs-initramfs 2.0.6-1ubuntu2
amd64 OpenZFS root filesystem capabilities for Linux -
initramfs
root@ubud01:/var# zfs list
NAME USED AVAIL REFER
MOUNTPOINT
bpool 290M 542M 96K
/boot
bpool/BOOT 289M 542M 96K none
bpool/BOOT/ubuntu_gtw63h 288M 542M 156M
/boot
rpool 6.39G 10.6G 192K /
rpool/ROOT 5.64G 10.6G 192K none
rpool/ROOT/ubuntu_gtw63h 5.64G 10.6G 3.45G /
rpool/ROOT/ubuntu_gtw63h/srv 192K 10.6G 192K /srv
rpool/ROOT/ubuntu_gtw63h/usr 660K 10.6G 192K /usr
rpool/ROOT/ubuntu_gtw63h/usr/local 468K 10.6G 388K
/usr/local
rpool/ROOT/ubuntu_gtw63h/var 1.53G 10.6G 192K /var
rpool/ROOT/ubuntu_gtw63h/var/games 272K 10.6G 192K
/var/games
rpool/ROOT/ubuntu_gtw63h/var/lib 1.52G 10.6G 1.34G
/var/lib
rpool/ROOT/ubuntu_gtw63h/var/lib/AccountsService 328K 10.6G 216K
/var/lib/AccountsService
rpool/ROOT/ubuntu_gtw63h/var/lib/NetworkManager 404K 10.6G 228K
/var/lib/NetworkManager
rpool/ROOT/ubuntu_gtw63h/var/lib/apt 88.1M 10.6G 82.1M
/var/lib/apt
rpool/ROOT/ubuntu_gtw63h/var/lib/dpkg 61.7M 10.6G 48.0M
/var/lib/dpkg
rpool/ROOT/ubuntu_gtw63h/var/log 4.84M 10.6G 3.57M
/var/log
rpool/ROOT/ubuntu_gtw63h/var/mail 272K 10.6G 192K
/var/mail
rpool/ROOT/ubuntu_gtw63h/var/snap 2.14M 10.6G 1.72M
/var/snap
rpool/ROOT/ubuntu_gtw63h/var/spool 388K 10.6G 252K
/var/spool
rpool/ROOT/ubuntu_gtw63h/var/www 272K 10.6G 192K
/var/www
rpool/USERDATA 246M 10.6G 192K /
rpool/USERDATA/ja_1ocgwe 245M 10.6G 221M
/home/ja
rpool/USERDATA/root_1ocgwe 424K 10.6G 272K
/root
rpool/keystore 518M 11.0G 48.1M -
root@ubud01:/var# zfs get encryption rpool/ROOT/ubuntu_gtw63h
NAME PROPERTY VALUE SOURCE
rpool/ROOT/ubuntu_gtw63h encryption aes-256-gcm -
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