The messages from aptermlog seem relevant: update-initramfs: Generating /boot/initrd.img-4.15.0-38-generic cryptsetup: WARNING: Option 'size' missing in crypttab for plain dm-crypt mapping cryptswap1. Please read /usr/share/doc/cryptsetup/README.initramfs and add the correct 'size' option to your crypttab(5). cryptsetup: ERROR: Couldn't resolve device /swapfile cryptsetup: WARNING: Resume target cryptswap1 uses a key file update-initramfs: Generating /boot/initrd.img-4.15.0-36-generic cryptsetup: WARNING: Option 'size' missing in crypttab for plain dm-crypt mapping cryptswap1. Please read /usr/share/doc/cryptsetup/README.initramfs and add the correct 'size' option to your crypttab(5). cryptsetup: ERROR: Couldn't resolve device /swapfile cryptsetup: WARNING: Resume target cryptswap1 uses a key file
** Package changed: ubuntu-release-upgrader (Ubuntu) => cryptsetup (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1802617 Title: After upgrade to 18.10 boot fails on waiting for encrypted source device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1802617/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs