It happens to me also. Fresh install of Lubuntu 18.04, fully updated, on
an HP Pavilion g6. Whenever the screen is locked (either manually
choosing to lock it, or automatically after X amount of time without
using it), it will take many seconds just to simply draw the password
dialog. But if I switch to the terminal with Ctrl+Alt+F1, then back to
the X-Window "terminal", it will draw a text telling me that it will
take a few seconds to show me the password dialog ??!! That message then
disappears into a black screen, and more than twenty seconds later,
finally the password dialog shows up. The laptop was doing nothing,
completely idle... this shouldn't happen.
** Also affects: gdm
Importance: Undecided
Status: New
** No longer affects: gdm
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1774188
Title:
Unlocking the screen takes 5 seconds in Xorg sessions (not so much in
Wayland sessions)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1774188/+subscriptions
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