What I did after your comment:
apt-get update apt-get remove zfs-initramfs zfsutils-linux apt-get update apt-get dist-upgrade apt autoremove apt-get update apt-get dist-upgrade apt-get install zfsutils-linux zfs-initramfs Still I see the following error: zfs-initramfs : Depends: zfs-doc (= 0.6.5.6-0ubuntu8) but 0.6.5.6-0ubuntu16 is to be installed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1694408 Title: zfs-initramfs : Depends: zfs-doc (= 0.6.5.6-0ubuntu8) but 0.6.5.6-0ubuntu16 is to be installed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1694408/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs