Bug#788400: this is duplicate of Bug #784742

[Yaroslav Molochko]

I have the same problem bug #784742, you can find there debug log for
systemd, here is the interesting part from it:

===========

May 08 17:17:27 x systemd-logind[1457]: Lid closed.
May 08 17:17:27 x systemd[1]: Got notification message for unit
systemd-logind.service
May 08 17:17:27 x systemd[1]: systemd-logind.service: Got notification
message from PID 1457 (WATCHDOG=1)
May 08 17:17:27 x systemd[1]: systemd-logind.service: got WATCHDOG=1
May 08 17:17:27 x systemd-logind[1457]: Multiple (5) displays connected.
May 08 17:17:27 x systemd-logind[1457]: Refusing operation, as it is turned off.
May 08 17:17:27 x systemd-logind[1457]: Multiple (5) displays connected.
May 08 17:17:27 x systemd-logind[1457]: Refusing operation, as it is turned off.
May 08 17:17:30 x wpa_supplicant[1549]: wlan0:
CTRL-EVENT-SIGNAL-CHANGE above=0 signal=-58 noise=9999 txrate=270000
May 08 17:17:33 x dhclient[1983]: DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 11
May 08 17:17:41 x systemd[1]: Got notification message for unit
systemd-journald.service
May 08 17:17:41 x systemd[1]: systemd-journald.service: Got
notification message from PID 1024 (WATCHDOG=1)
May 08 17:17:41 x systemd[1]: systemd-journald.service: got WATCHDOG=1
May 08 17:17:44 x dhclient[1983]: DHCPDISCOVER on eth0 to
255.255.255.255 port 67 interval 15
May 08 17:17:49 x systemd-logind[1457]: Lid opened.

=============

for some reason it think that I have many monitors connected. I'v
attached to the bug #784742 xrandr and the rest necessary information,
but got no reply for more than 2 months.
If this issue occur not only on mine laptop, it means I'm not crazy,
the problem really exists.