Ubuntu – Ubuntu 14.04.4 LTS hangs on boot after latest dist-upgrade in VMware

14.04bootupgradevmware

I ran apt-get dist-upgrade as follows:

Calculating upgrade... Done
The following NEW packages will be installed:
  linux-headers-3.19.0-51 linux-headers-3.19.0-51-generic
  linux-image-3.19.0-51-generic linux-image-extra-3.19.0-51-generic
The following packages will be upgraded:
  linux-generic-lts-vivid linux-headers-generic-lts-vivid
  linux-image-generic-lts-vivid
3 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
Need to get 65.1 MB of archives.
After this operation, 288 MB of additional disk space will be used.

Setting up linux-image-generic-lts-vivid (3.19.0.51.36) ...
Setting up linux-headers-3.19.0-51 (3.19.0-51.57~14.04.1) ...
Setting up linux-headers-3.19.0-51-generic (3.19.0-51.57~14.04.1) ...
Setting up linux-headers-generic-lts-vivid (3.19.0.51.36) ...
Setting up linux-generic-lts-vivid (3.19.0.51.36) ...

After this, Ubuntu 14.04.4 x64 LTS doesn't boot correctly and hangs on this screen:

enter image description here

This happens on all VMs I'm trying. I can reproduce it by creating / reverting snapshots.

Update:
This is the content of /var/log/boot.log after booting with the previous kernel via advanced boot options in GRUB:

 * Stopping Read required files in advance                               [ OK ]
 * Starting Mount filesystems on boot                                    [ OK ]
 * Starting Populate /dev filesystem                                     [ OK ]
 * Starting Populate and link to /run filesystem                         [ OK ]
 * Stopping Populate /dev filesystem                                     [ OK ]
 * Stopping Populate and link to /run filesystem                         [ OK ]
 * Stopping Track if upstart is running in a container                   [ OK ]
 * Starting Initialize or finalize resolvconf                            [ OK ]
 * Starting Signal sysvinit that the rootfs is mounted                   [ OK ]
 * Starting mount available cgroup filesystems                           [ OK ]
 * Starting set console keymap                                           [ OK ]
 * Starting Signal sysvinit that virtual filesystems are mounted         [ OK ]
 * Starting Signal sysvinit that virtual filesystems are mounted         [ OK ]
 * Starting Bridge udev events into upstart                              [ OK ]
 * Starting Signal sysvinit that remote filesystems are mounted          [ OK ]
 * Stopping set console keymap                                           [ OK ]
 * Starting Clean /tmp directory                                         [ OK ]
 * Stopping Clean /tmp directory                                         [ OK ]
 * Starting Signal sysvinit that local filesystems are mounted           [ OK ]
 * Starting device node and kernel event manager                         [ OK ]
 * Starting D-Bus system message bus                                     [ OK ]
 * Starting flush early job output to logs                               [ OK ]
 * Stopping Mount filesystems on boot                                    [ OK ]
 * Stopping flush early job output to logs                               [ OK ]
 * Starting load modules from /etc/modules                               [ OK ]
 * Starting cold plug devices                                            [ OK ]
 * Starting log initial device creation                                  [ OK ]
 * Starting SystemD login management service                             [ OK ]
 * Stopping load modules from /etc/modules                               [ OK ]
 * Starting system logging daemon                                        [ OK ]
 * Starting mDNS/DNS-SD daemon                                           [ OK ]
 * Starting bluetooth daemon                                             [ OK ]
 * Starting Reload cups, upon starting avahi-daemon to make sure remote q[ OK ]are populated
 * Stopping Reload cups, upon starting avahi-daemon to make sure remote q[ OK ]are populated
 * Starting Bridge file events into upstart                              [ OK ]
 * Starting Uncomplicated firewall                                       [ OK ]
 * Starting configure network device security                            [ OK ]
 * Starting configure network device                                     [ OK ]
 * Starting configure network device security                            [ OK ]
 * Starting Mount network filesystems                                    [ OK ]
 * Starting Failsafe Boot Delay                                          [ OK ]
 * Stopping Failsafe Boot Delay                                          [ OK ]
 * Stopping Mount network filesystems                                    [ OK ]
 * Starting System V initialisation compatibility                        [ OK ]
 * Starting modem connection manager                                     [ OK ]
 * Starting configure network device security                            [ OK ]
 * Starting configure network device                                     [ OK ]
 * Starting userspace bootsplash                                         [ OK ]
 * Starting network connection manager                                   [ OK ]
 * Stopping userspace bootsplash                                         [ OK ]
 * Starting Send an event to indicate plymouth is up                     [ OK ]
 * Stopping Send an event to indicate plymouth is up                     [ OK ]
 * Starting Bridge socket events into upstart                            [ OK ]
Skipping profile in /etc/apparmor.d/disable: usr.bin.firefox
Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
 * Starting AppArmor profiles                                                                [ OK ]
 * Setting up X socket directories...                                                        [ OK ]
 * Stopping System V initialisation compatibility                        [ OK ]
 * speech-dispatcher disabled; edit /etc/default/speech-dispatcher
 * Starting System V runlevel compatibility                              [ OK ]
 * Starting Restore Sound Card State                                     [ OK ]
 * Starting regular background program processing daemon                 [ OK ]
 * Starting anac(h)ronistic cron                                         [ OK ]
 * Starting save kernel messages                                         [ OK ]
 * Starting configure network device security                            [ OK ]
 * Starting CPU interrupts balancing daemon                              [ OK ]
 * Starting Restore Sound Card State                                     [fail]
 * Starting crash report submission daemon                               [ OK ]
 * Stopping save kernel messages                                         [ OK ]
 * Stopping anac(h)ronistic cron                                         [ OK ]
 * Stopping Restore Sound Card State                                     [ OK ]
 * Starting automatic crash report generation                            [ OK ]
 * Starting cups-browsed - Bonjour remote printer browsing daemon        [ OK ]
 * Starting configure virtual network devices                            [ OK ]
Starting VirtualBox kernel modules * Stopping cold plug devices          [ OK ]
 * Stopping log initial device creation                                  [ OK ]
 * Starting save udev log and update rules                               [ OK ]
 * Stopping save udev log and update rules                               [ OK ]
 ...done.

Best Answer

At Ubuntu Forums there's at least one thread showing that my issue is caused by the latest Ubuntu Kernel Update (linux-image-extra-3.19.0-51-generic):

http://ubuntuforums.org/showthread.php?t=2314723

Update:

@alexmurray filed a bug (which has been already confirmed) at https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1550090

Please vote over there if you're affected (please don't create "me too" answers here).

Update:

Fixed by 3.19.0-51.58~14.04.1

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