Public bug reported:

Lubuntu 19.04 (x86_64) QA-Test install

dell [optiplex] 780 (c2q-q9400, 8gb, amd/ati cedar radeon hd
5000/6000/7350/8350)

On first boot, i expected to see (on either display) a single login box
for username/password. Instead I got a box on each display (as if
mirrored) but noted the password was only appearing as dots on one
screen.

With experimentation, I can enter different passwords on each display -
if I press <enter> whilst inside the valid-password box I get logged in,
if I press <enter> on an invalid password screen (with valid password on
the other screen) I get login failed correctly. As such I don't see how
this could be mis-used, but it is a little confusing/distracting, but
minor.

After login, if I logout I get the same two user/boxes allowing
different entry in each. At this time I have not rebooted; it's still
initial boot (post-install)

My displays are differently aligned to the default; but this occurred on
reboot before any adjustments were made to displays (to match my having
one tilted-left so portrait mode etc)

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: sddm 0.18.0-1ubuntu2
ProcVersionSignature: Ubuntu 5.0.0-7.8-generic 5.0.0
Uname: Linux 5.0.0-7-generic x86_64
ApportVersion: 2.20.10-0ubuntu23
Architecture: amd64
CurrentDesktop: LXQt
Date: Fri Mar 29 14:26:22 2019
InstallationDate: Installed on 2019-03-29 (0 days ago)
InstallationMedia: Lubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190326.1)
SourcePackage: sddm
UpgradeStatus: No upgrade log present (probably fresh install)

------
The following (snippet) is from my QA-test comments
---
(between steps 2 & 3 I had to use lxqt.prefs-monitor.settings to adjust my 
display to match portrait & my display organization for the little sanity i 
have left..)
// maybe the display change caused this???  I forgot I did that...  I'll add 
comment on https://bugs.launchpad.net/ubuntu/+source/sddm/+bug/1822230
---

Could it be that the LXQt.Prefs -> Monitor.Settings change I made before 
install impacted this??
Even if this change has caused issue, it shouldn't...

** Affects: sddm (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug disco

** Attachment added: "sudo lshw >~/lshw.txt"
   https://bugs.launchpad.net/bugs/1822230/+attachment/5250382/+files/lshw.txt

** Description changed:

  Lubuntu 19.04 (x86_64) QA-Test install
  
  dell [optiplex] 780 (c2q-q9400, 8gb, amd/ati cedar radeon hd
  5000/6000/7350/8350)
  
  On first boot, i expected to see (on either display) a single login box
  for username/password. Instead I got a box on each display (as if
  mirrored) but noted the password was only appearing as dots on one
  screen.
  
  With experimentation, I can enter different passwords on each display -
  if I press <enter> whilst inside the valid-password box I get logged in,
  if I press <enter> on an invalid password screen (with valid password on
  the other screen) I get login failed correctly. As such I don't see how
  this could be mis-used, but it is a little confusing/distracting, but
  minor.
  
  After login, if I logout I get the same two user/boxes allowing
  different entry in each. At this time I have not rebooted; it's still
  initial boot (post-install)
  
  My displays are differently aligned to the default; but this occurred on
  reboot before any adjustments were made to displays (to match my having
  one tilted-left so portrait mode etc)
  
  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: sddm 0.18.0-1ubuntu2
  ProcVersionSignature: Ubuntu 5.0.0-7.8-generic 5.0.0
  Uname: Linux 5.0.0-7-generic x86_64
  ApportVersion: 2.20.10-0ubuntu23
  Architecture: amd64
  CurrentDesktop: LXQt
  Date: Fri Mar 29 14:26:22 2019
  InstallationDate: Installed on 2019-03-29 (0 days ago)
  InstallationMedia: Lubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190326.1)
  SourcePackage: sddm
  UpgradeStatus: No upgrade log present (probably fresh install)
+ 
+ ------
+ The following (snippet) is from my QA-test comments
+ ---
+ (between steps 2 & 3 I had to use lxqt.prefs-monitor.settings to adjust my 
display to match portrait & my display organization for the little sanity i 
have left..)
+ // maybe the display change caused this???  I forgot I did that...  I'll add 
comment on https://bugs.launchpad.net/ubuntu/+source/sddm/+bug/1822230
+ ---
+ 
+ Could it be that the LXQt.Prefs -> Monitor.Settings change I made before 
install impacted this??
+ Even if this change has caused issue, it shouldn't...

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https://bugs.launchpad.net/bugs/1822230

Title:
  lubuntu 19.04 install dual screen; login user/password boxes on both
  displays allowing password entry

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