Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: systemd (Ubuntu Jammy)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2056802
Title:
crypttab does not honor `x-initrd.attach` option
Status in systemd package in Ubuntu:
Confirmed
Status in systemd source package in Bionic:
Won't Fix
Status in systemd source package in Focal:
Confirmed
Status in systemd source package in Jammy:
Confirmed
Status in systemd source package in Mantic:
Confirmed
Status in systemd source package in Noble:
Confirmed
Bug description:
From systemd version 245+ an option was added x-initrd.attach
---------
Setup this encrypted block device in the initrd, similarly to
systemd.mount(5) units marked with x-initrd.mount.
Although it's not necessary to mark the mount entry for the root file
system with x-initrd.mount, x-initrd.attach is still recommended with
the encrypted block device containing the root file system as
otherwise systemd will attempt to detach the device during the regular
system shutdown while it's still in use. With this option the device
will still be detached but later after the root file system is
unmounted.
All other encrypted block devices that contain file systems mounted in
the initrd should use this option.
Added in version 245. [0]
---------
release: noble
systemd version: 253.5-1ubuntu6
Install noble to a vm with virt-manager and encrypt the lvm during subiquity
install.
After successful install,
Modify /etc/crypttab to include the parameter in the 4th column
example:
sda6_crypt UUID=099aae4a-b11b-49a6-a6c4-62939eddf7a0 none luks,x-initrd.attach
update-initramfs -u -k all
During boot or shutdown the logs show
cryptsetup: WARNING: dm_crypt-0: ignoring unknown option x-initrd.attach
There are two separate problems
1. crypttab doesn't recognize x-initrd.attach option in /etc/crypttab file.
cryptsetup: WARNING: dm_crypt-0: ignoring unknown option x-initrd.attach
2. this error happens on shutdown/restart
[systemd-cryptsetup]: Device dm-crypt-0 is still in use.
[systemd-cryptsetup]: Failed to deactivate: Device or resource busy.
The vm does eventually shutdown after throwing the above warnings.
[0]
https://www.freedesktop.org/software/systemd/man/latest/crypttab.html#x-initrd.attach
These patches look like they could fix the issue, The last one might not be
needed.
git format-patch -1 8ce02b87cece09797c1030c778db4180e1e2ce2e
https://github.com/systemd/systemd/commit/8ce02b87cece09797c1030c778db4180e1e2ce2e
git format-patch -1 1dc85eff1d0dff18aaeaae530c91bf53f34b726e
https://github.com/systemd/systemd/commit/1dc85eff1d0dff18aaeaae530c91bf53f34b726e
git format-patch -1 bf1484c70a24cf04c145a9509c8124ffd7fb0879
https://github.com/systemd/systemd/commit/bf1484c70a24cf04c145a9509c8124ffd7fb0879
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