According to this page https://debianforum.de/forum/viewtopic.php?f=33&t=169585&hilit=entropie
This newly introduced fix in 4.15.0-24 is the cause 'random: fix crng_ready() test' when it's reverted (like in debian 4.9.88-1+deb9u1) boot is fine again 'linux (4.9.88-1+deb9u1) stretch-security; urgency=high [...] * Revert "random: fix crng_ready() test" (Closes: #897599), reopening CVE-2018-1108' another solution could be to install 'haveged' as proposed and verified here https://debianforum.de/forum/viewtopic.php?f=33&t=169585&hilit=entropie and here https://forum.ubuntuusers.de/topic/nix-geht-mehr-nach-installation-und- update/ ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-1108 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1779827 Title: failure to boot with linux-image-4.15.0-24-generic Status in Ubuntu: Confirmed Status in linux package in Ubuntu: Triaged Status in The Bionic Beaver: Confirmed Status in linux source package in Bionic: Triaged Bug description: This was the last OK then my 18.04 hangs after an update this morning. 07:00 AM CEST Last Ok in boot was Started gnome display manager. dispatcher service ...... tem changes.pp link was shut down Tried install lightdm from command line and the response was lastest already installed. Probably it is what is coming after the lastest OK which is to be the error. And here I have lots of guesses...... Any Ideas ? I need to do some work and I may not be waiting long. Search and browsed and now close to give up. Yeah it is a Lenovo. Guys: turn of auto update it is a machine killer. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1779827/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp