[Bug 105101] Re: the "lock screen" thing is slow to appear after opening the lid

[daniel]

Present on Ubuntu 18.04.4 LTS, GNOME 3.28.4

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https://bugs.launchpad.net/bugs/105101

Title:
  the "lock screen" thing is slow to appear after opening the lid

Status in GNOME Screensaver:
  Invalid
Status in pam package in Ubuntu:
  Incomplete
Status in gnome-screensaver package in Debian:
  Confirmed

Bug description:
  Binary package hint: gnome-screensaver

  This is on Ubuntu Feisty, up to date, running on a Dell Latitude D620
  laptop (Intel video). I have the computer set up to lock the screen
  when I close the lid. (This mostly works.)

  When I open the lid, though, there's almost always a delay before the
  "unlock" window appears. I can open the lid, type the password, and
  still have to wait three-four seconds, sometimes more, before the
  "enter password" window appears. It receives the already-typed
  password and then goes away in a second or so. Note that the screen
  turns on pretty much instantly (the back-light is usually on by the
  time the screen is up). Also, the laptop is NOT in stand-by or
  anything, it's running normally.

  The password-entry box should appear instantly (by the time the back-
  light turns on) and disappear the moment enter is pressed. After all,
  it's an extremely resource-light application. (It's OK if the desktop
  takes a bit to redraw after; that's a potentially slow operation. But
  just showing the password box on a black screen should be very quick.)

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