Public bug reported:
Hello, there!
When I start the PC, it boots correctly.
Lightdm starts and shows the login prompt for about 1-2 seconds, then the
screen goes black, like lightdm just crashed.
If i CTRL+ALT+F5-F9, lightdm is gone, there is no more graphical screen
prompting for login.
If i CTRL+ALT+F1, i can login into the terminal and inspect the problem:
- "service lightdm status" still reports lightdm as "active (running)", even if
no lightdm screen can be found
- "ps aux | grep lightm" shows many lightdm-related processes still running
The log (attached) complains about being unable to autologin, but i have
automatic login disabled.
I suspect this is somewhat related to suspension/resume, because it started to
happen after I've tried to use it.
When I issue a "service lightdm restart", lightdm restarts and this time
it works correctly (it shows the login screen, then "blinks" the screen
to black after 1-2 secs like it is about to get stuck again, but this
time it recovers back to the login prompt and allows me to login).
Here is my lightdm.conf:
"
[SeatDefaults]
allow-guest=false
autologin-guest=false
#autologin-user=
#greeter-session=lightdm-kde-greeter
greeter-session=lightdm-gtk-greeter
#user-session=kde-plasma
user-session=xfce4-session
[VNCServer]
enabled=false
[XDMCPServer]
enabled=false
"
Thank you for reading.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: lightdm 1.16.7-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Sun Apr 3 00:10:26 2016
ProcEnviron:
TERM=linux
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=it_IT.UTF-8
SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: Upgraded to wily on 2015-10-31 (154 days ago)
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1565367
Title:
Lightdm fails to show login screen
Status in lightdm package in Ubuntu:
New
Bug description:
Hello, there!
When I start the PC, it boots correctly.
Lightdm starts and shows the login prompt for about 1-2 seconds, then the
screen goes black, like lightdm just crashed.
If i CTRL+ALT+F5-F9, lightdm is gone, there is no more graphical screen
prompting for login.
If i CTRL+ALT+F1, i can login into the terminal and inspect the problem:
- "service lightdm status" still reports lightdm as "active (running)", even
if no lightdm screen can be found
- "ps aux | grep lightm" shows many lightdm-related processes still running
The log (attached) complains about being unable to autologin, but i have
automatic login disabled.
I suspect this is somewhat related to suspension/resume, because it started
to happen after I've tried to use it.
When I issue a "service lightdm restart", lightdm restarts and this
time it works correctly (it shows the login screen, then "blinks" the
screen to black after 1-2 secs like it is about to get stuck again,
but this time it recovers back to the login prompt and allows me to
login).
Here is my lightdm.conf:
"
[SeatDefaults]
allow-guest=false
autologin-guest=false
#autologin-user=
#greeter-session=lightdm-kde-greeter
greeter-session=lightdm-gtk-greeter
#user-session=kde-plasma
user-session=xfce4-session
[VNCServer]
enabled=false
[XDMCPServer]
enabled=false
"
Thank you for reading.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: lightdm 1.16.7-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Sun Apr 3 00:10:26 2016
ProcEnviron:
TERM=linux
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=it_IT.UTF-8
SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: Upgraded to wily on 2015-10-31 (154 days ago)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1565367/+subscriptions
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