I have the same issue, apparently a sudo apt full-upgrade hung and I interrupted it by shutting down my laptop. Upon trying to install something unrelated it told me I had to run sudo dpkg --configure -a to continue with the previous upgrade. That still hangs:
$ sudo dpkg --configure -a Setting up linux-image-4.13.0-21-generic (4.13.0-21.24) ... Running depmod. update-initramfs: deferring update (hook will be called later) The link /initrd.img is a dangling linkto /boot/initrd.img-4.13.0-21-generic vmlinuz(/boot/vmlinuz-4.13.0-21-generic ) points to /boot/vmlinuz-4.13.0-21-generic (/boot/vmlinuz-4.13.0-21-generic) -- doing nothing at /var/lib/dpkg/info/linux-image-4.13.0-21-generic.postinst line 491. Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.13.0-21-generic /boot/vmlinuz-4.13.0-21-generic run-parts: executing /etc/kernel/postinst.d/dkms 4.13.0-21-generic /boot/vmlinuz-4.13.0-21-generic I can see using ps axuf that it hangs on a plymouth ping, this hangs in a terminal as well. See the attachment for the output of strace plymouth --ping ** Attachment added: "strace_plymouth.log" https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1705345/+attachment/5026023/+files/strace_plymouth.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1705345 Title: Installing new kernel hangs on plymouth --ping To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1705345/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
