Same thing in MacBook 13" (White, mid 2006).
When suspend the machine, the screen turn black, and after few seconds
(2 0 3 secs), the screen turn on, and the login screen appears.
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Touch seeded packages, which is subscribed to systemd in Ubuntu.
Notebook doesn't suspend when lid is closed after update to 16.04
Status in systemd package in Ubuntu:
My notebook does not suspend after upgrading from 15.10 to 16.04.
According to system settings the notebook should suspend when lid is
closed but actually this does not happen. Instead it continues to run
as if nothing had happened.
With the previous versions of ubuntu (14.04-15.10) everything worked
My System: HP Pavilion dv7.
DistroRelease: Ubuntu 16.04
Package: acpi (not installed)
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
Date: Sat Apr 23 23:11:15 2016
InstallationDate: Installed on 2015-10-29 (176 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
UpgradeStatus: Upgraded to xenial on 2016-04-22 (1 days ago)
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