Because it happened even by upgrade from 18.04 LTS to 19.04 again when mnually installed kernel version 5 ... temporary solved by putting following code in /etc/kernel/postinst.d/kdump-tools
... if [ -z "${version}" ]; then echo >&2 "W: kdump-tools: ${DPKG_MAINTSCRIPT_PACKAGE:-kdump-tools package} did not pass a version number" exit 2 fi echo "--- new temporary code taken from package kdump-tools" if ! linux-version list | grep "${version}" > /dev/null ; then exit 0 fi echo "------" # exit if kernel does not need an initramfs if [ "$INITRD" = 'No' ]; then exit 0 fi ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1814384 Title: update-initramfs: failed for with 1. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1814384/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs