# sudo update-initramfs -u update initramfs: Generating /boot/initrd.img-4.18.0-2-amd64 cryptsetup: WARNING:Resume target luks-455726e6-35e6-426a-b604-e7b6ddcb8a61 uses a key file
PureOS upgraded.
# sudo update-initramfs -u update initramfs: Generating /boot/initrd.img-4.18.0-2-amd64 cryptsetup: WARNING:Resume target luks-455726e6-35e6-426a-b604-e7b6ddcb8a61 uses a key file
PureOS upgraded.
If update-initramfs really fails to rebuild initramfs then it is a serious issue - but the output shared in the issue description shows not a failure but just a warning.
What exactly fails here?