lspci
00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (AGP disabled) (rev 03)
00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 01)
00:07.1 IDE interface: Intel Corporation 82371AB/EB/MB PIIX4 IDE (rev 01)
00:07.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 02)
00:08.0 VGA compatible controller: Microsoft Corporation Hyper-V virtual VGA
00:0a.0 Ethernet controller: Digital Equipment Corporation DECchip 21140 [FasterNet] (rev 20)

-----------------

lsmod |grep hyperv
hyperv_keyboard 16384 0
hyperv_fb 20480 1
hid_hyperv 16384 0
hid 118784 2 hid_hyperv,hid_generic
hv_vmbus 90112 6 hyperv_keyboard,hv_netvsc,hid_hyperv,hv_utils,hyperv_fb,hv_storvsc

-----------------

seat0-greeter.log
** Message: Starting lightdm-gtk-greeter 2.0.1 (Jun 21 2015, 09:15:25)
** Message: [Configuration] Reading file: /usr/share/lightdm/lightdm-gtk-greeter.conf.d/01_debian.conf
** Message: [Configuration] Reading file: /etc/lightdm/lightdm-gtk-greeter.conf
** (lightdm-gtk-greeter:1542): WARNING **: [PIDs] Failed to execute command: upstart
** (process:1555): WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files
** (lightdm-gtk-greeter:1542): WARNING **: [Background] Failed to load background: Failed to open file '/usr/share/images/desktop-base/login-background.svg': No such file or directory
** (lightdm-gtk-greeter:1542): WARNING **: [Background] Failed to read wallpaper: /usr/share/images/desktop-base/login-background.svg
(lightdm-gtk-greeter:1542): Gtk-WARNING **: Drawing a gadget with negative dimensions. Did you forget to allocate a size? (node menubar owner GreeterMenuBar)
[snip]
(lightdm-gtk-greeter:1542): Gtk-WARNING **: Drawing a gadget with negative dimensions. Did you forget to allocate a size? (node menubar owner GreeterMenuBar)
(lightdm-gtk-greeter:1542): Gdk-WARNING **: lightdm-gtk-greeter: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.

-----------------

lightdm.log
[+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log
[+0.00s] DEBUG: Starting Light Display Manager 1.18.2, UID=0 PID=892
[+0.00s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/01_debian.conf
[+0.00s] DEBUG: Loading configuration dirs from /usr/local/share/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration dirs from /etc/xdg/lightdm/lightdm.conf.d
[+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf
[+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager
[+0.00s] DEBUG: Registered seat module xlocal
[+0.00s] DEBUG: Registered seat module xremote
[+0.00s] DEBUG: Registered seat module unity
[+0.00s] DEBUG: Monitoring logind for seats
[+0.01s] DEBUG: New seat added from logind: seat0
[+0.01s] DEBUG: Seat seat0: Loading properties from config section Seat:*
[+0.01s] DEBUG: Seat seat0: Starting
[+0.01s] DEBUG: Seat seat0: Creating greeter session
[+0.01s] DEBUG: Seat seat0: Creating display server of type x
[+0.01s] DEBUG: Could not run plymouth --ping: Failed to execute child process "plymouth" (No such file or directory)
[+0.01s] DEBUG: Using VT 7
[+0.01s] DEBUG: Seat seat0: Starting local X display on VT 7
[+0.01s] DEBUG: DisplayServer x-0: Logging to /var/log/lightdm/x-0.log
[+0.01s] DEBUG: DisplayServer x-0: Writing X server authority to /var/run/lightdm/root/:0
[+0.01s] DEBUG: DisplayServer x-0: Launching X Server
[+0.01s] DEBUG: Launching process 898: /usr/bin/X :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
[+0.01s] DEBUG: DisplayServer x-0: Waiting for ready signal from X server :0
[+0.01s] DEBUG: Acquired bus name org.freedesktop.DisplayManager
[+0.01s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0
[+0.01s] WARNING: Error getting user list from org.freedesktop.Accounts: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Accounts was not provided by any .service files
[+0.01s] DEBUG: Loading user config from /etc/lightdm/users.conf
[+0.09s] DEBUG: User debian added
[+0.43s] DEBUG: Got signal 10 from process 898
[+0.43s] DEBUG: DisplayServer x-0: Got signal from X server :0
[+0.43s] DEBUG: DisplayServer x-0: Connecting to XServer :0
[+0.43s] DEBUG: Seat seat0: Display server ready, starting session authentication
[+0.43s] DEBUG: Session pid=911: Started with service 'lightdm-greeter', username 'lightdm'
[+0.44s] DEBUG: Session pid=911: Authentication complete with return value 0: Success
[+0.44s] DEBUG: Seat seat0: Session authenticated, running command
[+0.44s] DEBUG: Session pid=911: Running command /usr/sbin/lightdm-gtk-greeter
[+0.44s] DEBUG: Creating shared data directory /var/lib/lightdm/data/lightdm
[+0.44s] DEBUG: Session pid=911: Logging to /var/log/lightdm/seat0-greeter.log
[+0.48s] DEBUG: Activating VT 7
[+0.48s] DEBUG: Activating login1 session c1
[+0.75s] DEBUG: Greeter connected version=1.18.2 resettable=false
[+1.30s] DEBUG: Greeter start authentication
[+1.30s] DEBUG: Session pid=939: Started with service 'lightdm', username '(null)'
[+1.32s] DEBUG: Session pid=939: Got 1 message(s) from PAM
[+1.32s] DEBUG: Prompt greeter with 1 message(s)
[+22.50s] DEBUG: Seat seat0 changes active session to