On Mon, 24 Dec 2018 10:26:18 +0100 Pascal Hambourg <pas...@plouf.fr.eu.org> wrote:
> Le 24/12/2018 à 05:45, Celejar a écrit : > > > > I have / on a luks volume, mounted with dm-crypt (automatically, > > via /etc/fstab - /etc/crypttab). As recently as kernel 4.18.0-3, > > everything was normal. With 4.19.0-1-amd64, the volume mounts, and the > > system seems basically functional - but /dev/mapper is empty besides for > > 'control'! > (...) > > Despite the fact that 'mount' shows that the dm-crypt mount is present: > (...) > > This situation causes update-initramfs to fail: > > > > ~# update-initramfs -u > > update-initramfs: Generating /boot/initrd.img-4.19.0-1-amd64 > > mkinitramfs: failed to determine device for / > > I don't know what is going on, but as a workaround you can run > > dmsetup mknodes > > to try to create the missing nodes (actually symlinks to actual > /dev/dm-* device nodes) in /dev/mapper. That works - thanks! I also observe that running cryptsetup manually on a running 4.19 system (to open a different dm-crypt volume) properly creates the /dev/mapper symlink. Celejar