Lightdm crash on Xenial after upgrading kernel to 4.4.0-22-generic

[Tom H]

On Sat, May 7, 2016 at 5:25 AM, Martinx <thiagocmartinsc at gmail.com> wrote:
>
> After upgrading Xenial, Ubuntu desktop is not usable anymore.
>
> Bug report:
>
> https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1579294
>
> This looks like an emergency situation!
>
> I'm gonna do one more test, a fresh install from Ubuntu 16.04 Desktop
> ISO, followed by an upgrade and a reboot, to see if problem is easy to
> reproduce.

OK here:

# cat /proc/version
Linux version 4.4.0-22-generic (buildd at lcy01-32) (gcc version 5.3.1
20160413 (Ubuntu 5.3.1-14ubuntu2) ) #39-Ubuntu SMP Thu May 5 16:53:32
UTC 2016

# loginctl session-status c1
c1 - lightdm (112)
           Since: Sat 2016-05-07 15:26:46 EDT; 1min 16s ago
          Leader: 1240
            Seat: seat0; vc7
         Display: :0
         Service: lightdm-greeter; type x11; class greeter
           State: closing
            Unit: session-c1.scope
                  └─1579 /usr/bin/gnome-keyring-daemon --daemonize --login