I am not prompted for my password when booting after running out of power (e.g. empty battery)

Thank you for your bug report. Could you add your 'journalctl -b 0' after the system start? When the battery gets empty the system does try to suspend or hibernate depending of your configuration so the next boot is not a standard one but a resume which could explain you don't get prompted to log in

 I am sorry Sebastien, these are far too much lines to copy and paste (I'm not an expert on this).
Besides, the journal starts only today, I don't know whether I can go back in time.
Bart
    Op woensdag 5 augustus 2020 12:41:24 CEST schreef Sebastien Bacher <email address hidden>:

 Thank you for your bug report. Could you add your 'journalctl -b 0'
after the system start? When the battery gets empty the system does try
to suspend or hibernate depending of your configuration so the next boot
is not a standard one but a resume which could explain you don't get
prompted to log in

** Package changed: gnome-screensaver (Ubuntu) => gnome-shell (Ubuntu)

** Changed in: gnome-shell (Ubuntu)
  Importance: Undecided => Low

** Changed in: gnome-shell (Ubuntu)
      Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1890261

Title:
  I am not prompted for my password when booting after running out of
  power (e.g. empty battery)

Status in gnome-shell package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 18.04.4 LTS

  When the system shuts down because of lack of power supply, the next
  time, I am not prompted for my password; I go directly to the desktop.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: gnome-screensaver (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-112.113-generic 4.15.18
  Uname: Linux 4.15.0-112-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.15
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Aug  4 11:06:26 2020
  InstallationDate: Installed on 2018-10-04 (669 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  SourcePackage: gnome-screensaver
  Symptom: security
  Title: Screen locking issue
  UpgradeStatus: No upgrade log present (probably fresh install)

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You can go back in time. For example to collect the previous boot (the one before the current one) you can run:

  journalctl -b-1 > prevboot.txt

and the one before that:

  journalctl -b-2 > prevprevboot.txt

 The requested log:

b$$$$$$$$@**********:~$ journalctl -b 0
-- Logs begin at Thu 2020-06-25 16:50:08 CEST, end at Mon 2020-08-24 15:01:37 CE
aug 24 14:56:47 ********** kernel: microcode: microcode updated early to revision
aug 24 14:56:47 ********** kernel: Linux version 4.15.0-112-generic (buildd@lcy01
aug 24 14:56:47 ********** kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-
aug 24 14:56:47 ********** kernel: KERNEL supported cpus:
aug 24 14:56:47 ********** kernel: Intel GenuineIntel
aug 24 14:56:47 ********** kernel: AMD AuthenticAMD
aug 24 14:56:47 ********** kernel: Centaur CentaurHauls
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x001: 'x87
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x002: 'SSE
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x004: 'AVX
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x008: 'MPX
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x010: 'MPX
aug 24 14:56:47 ********** kernel: x86/fpu: xstate_offset[2]: 576, xstate_sizes[
aug 24 14:56:47 ********** kernel: x86/fpu: xstate_offset[3]: 832, xstate_sizes[
aug 24 14:56:47 ********** kernel: x86/fpu: xstate_offset[4]: 896, xstate_sizes[
aug 24 14:56:47 ********** kernel: x86/fpu: Enabled xstate features 0x1f, context
aug 24 14:56:47 ********** kernel: e820: BIOS-provided physical RAM map:
aug 24 14:56:47 ********** kernel: BIOS-e820: [mem 0x0000000000000000-0x000000000
aug 24 14:56:47 ********** kernel: BIOS-e820: [mem 0x0000000000058000-0x000000000
aug 24 14:56:47 ********** kernel: BIOS-e820: [mem 0x0000000000059000-0x000000000
aug 24 14:56:47 ********** kernel: BIOS-e820: [mem 0x000000000009e000-0x000000000
aug 24 14:56:47 ********** kernel: BIOS-e820: [mem 0x0000000000100000-0x000000006
lines 1-23...skipping...
-- Logs begin at Thu 2020-06-25 16:50:08 CEST, end at Mon 2020-08-24 15:01:37 CEST. --
aug 24 14:56:47 ********** kernel: microcode: microcode updated early to revision 0xd6, date = 2020-04-23
aug 24 14:56:47 ********** kernel: Linux version 4.15.0-112-generic (buildd@lcy01-amd64-027) (gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)) #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 (Ubuntu 4.15.0-112.113-ge
aug 24 14:56:47 ********** kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-112-generic root=UUID=9d9ee766-7e97-44c0-acad-3482fdf034e9 ro quiet splash vt.handoff=1
aug 24 14:56:47 ********** kernel: KERNEL supported cpus:
aug 24 14:56:47 ********** kernel: Intel GenuineIntel
aug 24 14:56:47 ********** kernel: AMD AuthenticAMD
aug 24 14:56:47 ********** kernel: Centaur CentaurHauls
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers'
aug 24 14:56:47 ********** kernel: x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR'
aug 24 14:56:47 ********** kernel: x86/fpu: xstate_offset[2]: 576, xstate_size...