Bug 403634 - Black screen when locking the system, closing the lid and then reopening the lid (laptop)
Summary: Black screen when locking the system, closing the lid and then reopening the ...
Status: RESOLVED WORKSFORME
Alias: None
Product: kwin
Classification: Plasma
Component: platform-drm (show other bugs)
Version: 5.14.90
Platform: Kubuntu Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-01-26 18:53 UTC by Aaron Honeycutt
Modified: 2019-04-08 04:33 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In:


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Description Aaron Honeycutt 2019-01-26 18:53:31 UTC
SUMMARY


STEPS TO REPRODUCE
1. Connect external monitor (HDMI in this case)
2. Lock the laptop
3. Close the lid of the laptop and wait
4. Disconnect the monitor
5. Open lid to black screen (can't access the TTY to restart plasmashell)

OBSERVED RESULT

You can't access Plasma or a TTY.

EXPECTED RESULT

Opening the lid of the laptop brings back to the login screen and can login to continue working.

SOFTWARE/OS VERSIONS
Windows: 
MacOS: 
Linux/KDE Plasma: Kubuntu 18.10
(available in About System)
KDE Plasma Version: 5.14.90
KDE Frameworks Version: 5.54.0
Qt Version: 5.11.1

ADDITIONAL INFORMATION

plasma-workspace-wayland/cosmic,now 4:5.14.90-0ubuntu1~ubuntu18.10~ppa3 amd64

wayland/cosmic-updates,cosmic-security,now 2:1.20.1-3ubuntu2.1 amd64
Comment 1 Aaron Honeycutt 2019-01-26 19:24:42 UTC
I just did this again by locking the system and closing the lid without a monitor attached.
Comment 2 Martin Flöser 2019-01-27 06:40:48 UTC
Please provide the output of
qdbus org.kde.KWin /KWin supportInformation
Comment 3 Christoph Feck 2019-02-15 16:47:05 UTC
If you can provide the information requested in comment #2, please add it.
Comment 4 Christoph Feck 2019-03-09 15:00:43 UTC
To further investigate this issue, KDE developers need the information requested in comment #2. If you can provide it, or need help with finding that information, please add a comment.
Comment 5 Bug Janitor Service 2019-03-24 04:33:10 UTC
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 6 Bug Janitor Service 2019-04-08 04:33:13 UTC
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!