https://bugs.kde.org/show_bug.cgi?id=461646
Bug ID: 461646
Summary: Display stays black or is unresponsive when resuming
from sleep/ hibernate
Classification: Plasma
Product: KScreen
Version: 5.26.2
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: lrdarkne...@yahoo.de
Target Milestone: ---
Created attachment 153635
--> https://bugs.kde.org/attachment.cgi?id=153635&action=edit
Journalctl logs when resuming from sleep
SUMMARY
When i resume my PC from sleep, it unfortunately often doesn't work correctly.
In particular, one display (my primary 4k screen, connected via DP) stays
completely black and doesn't seem to have a connection.
The other display (secondary FHD screen, connected via HDMI) is even weirder:
It is always active, so it has some kind of connection to the PC, but either
shows just a black screen or, and this is even worse, the last active state
before the system was put into sleep.
So mostly Spotify, which is what i am normally running on my secondary screen,
but it could also be my last emails, which is quite a security risk (no lock
screen or whatsoever shown).
The system is not responsive, and the only solution is to reboot it, which is
really annoying when you have open projects.
I am having this problem since at least a few months now, so I finally decided
to open a bug report.
STEPS TO REPRODUCE
I did not find a way to consistently reproduce this, but it happens at least
every third time I resume the system from sleep.
1. Put the system into sleep
2. Resume it
3.
OBSERVED RESULT
Already described it above.
EXPECTED RESULT
It should turn on both of the displays and show the lock screen.
SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux
KDE Plasma Version: 5.26.2
KDE Frameworks Version: 5.99.0
Qt Version: 5.15.6
Kernel Version: 5.15.76-1-MANJARO (64-bit)
Graphics Platform: Wayland
Processors: 6 × Intel® Core™ i5-8600K CPU @ 3.60GHz
Memory: 31.3 GiB of RAM
Graphics Processor: AMD Radeon RX 6800
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7B46
System Version: 1.0
ADDITIONAL INFORMATION
I attached a log from journalctl.
If you have better ideas where to find logs, please tell me.
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