[Bug 1896137] Re: syslog flooded with "Lockdown: systemd-logind: hibernation is restricted; see man kernel_lockdown.7"

[dev]

I am affected with this. My kernel yells "Lockdown: systemd[1]:
hibernation is restricted; see man kernel_lockdown.7" during boot.

And make my system impossible to boot. Some day it take time upto 10
MIN.

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Title:
  syslog flooded with "Lockdown: systemd-logind: hibernation is
  restricted; see man kernel_lockdown.7"

Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  When I close the lid on my laptop, syslog goes crazy with the message

  systemd-logind: hibernation is restricted; see man kernel_lockdown.7

  repeated ad infinitum, using up all the CPU and GBs of disk space.  I
  am not even trying to hibernate; everything in /etc/systemd/login.conf
  is commented out.  So nothing much should happen when I close the lid,
  but systemd is trying to kill me with these messages.  I am running
  Ubuntu 20.04.

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