Additional information on installed (working) kernel, as the data provided by apt cache did not show it:
linux-image-4.15.0-43-generic/bionic-updates,bionic-security 4.15.0-43.46 i386 linux-image-unsigned-4.15.0-43-generic/bionic-updates,bionic-security 4.15.0-43.46 amd64 linux-modules-4.15.0-43-generic/bionic-updates,bionic-security,now 4.15.0-43.46 amd64 [installed,automatic] linux-modules-extra-4.15.0-43-generic/bionic-updates,bionic-security,now 4.15.0-43.46 amd64 [installed] -- 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/1814993 Title: linux kernel 4.15.0-44 and 4.15.0-45 break tty login Status in linux package in Ubuntu: Incomplete Bug description: On systems with either version of the kernel installed (4.15.0-44 or 4.15.0-45), login to the console (tty) is not possible. When the prior version, 4.15.0-43, is running this issue does not occur. 1) The release of Ubuntu via 'lsb_release -rd': Description: Ubuntu 18.04.1 LTS Release: 18.04 2) The version of the package, via 'apt-cache policy pkgname' linux-generic: Installed: (none) Candidate: 4.15.0.45.47 Version table: 4.15.0.45.47 500 500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages 4.15.0.20.23 500 500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 3) What I expected to happen: Normal login via tty 4) What happened instead login program would not allow login process to proceed, password prompts were interrupted. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1814993/+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