Public bug reported:
In Ubuntu 16.04, after locking my computer, I cannot return to the login
screen. There is just a blank screen, and not signal is received from
the monitor neither if I press some keys on the keyboard, nor if I move
the mouse. This is happening both, when the computers locks
automatically, or when I lock it manually with Ctrl+Alt+l.
I know that the computer is still working perfectly because when this
happens, I can make a ssh from other hosts, and can login and do
anything. If I restart lightdm service remotely (from the ssh session),
I can use it locally again.
I think that the problem could be related to my video driver (my card is
"01:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] RV516 [Radeon X1300/X1550 Series]"), because I have tried in
others computers, and I cannot reproduce the problem.
Thanks very much
** Affects: pam (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1572780
Title:
Keyboard and mouse not responding after locking
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