https://bugs.kde.org/show_bug.cgi?id=466434
Bug ID: 466434
Summary: Monitor frequently fails to go to sleep and corruption
occurs after it attempts to or is shut off.
Classification: Plasma
Product: KScreen
Version: 5.27.1
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: kdeb...@schells.com
Target Milestone: ---
Created attachment 156733
--> https://bugs.kde.org/attachment.cgi?id=156733&action=edit
journalctl output when the bug occurs
SUMMARY
On 5.27.0 I had the kded5 crashes after the monitor went to sleep or was
manually powered off.
After upgrade to 5.27.1 while that no longer happens, now there is another
problem with random behavior after the monitor attempts to go to sleep or is
powered off. On my normal account when typically the monitor should go to
sleep instead the monitor wakes back up but most of my desktop icons are
missing, sometimes terminal output is messed up, etc.
For the general problem though I'll discuss what happens with a brand new
account with entirely default configuration.
STEPS TO REPRODUCE
1. Create a new account
2. Let the screen timeout. (Either the default 10 minutes or do "xset dpms 5
6 7" to speed things up
3. At first everything is fine. Monitor goes to sleep.
4. Open a konsole and run "sudo journalctl -f"
5. Let the monitor try to go to sleep again, it won't. (Usually, sometimes
I've had to move back to the konsole that I ran xset in, or do something to
start the bug.)
OBSERVED RESULT
The monitor will not go to sleep and instead just before it should the desktop
will wake back up. There may be corruption of open apps and the Desktop.
The journalctl fills with lines from kscreen like in the attachment. This
journalctl output does not occur when the monitor goes to sleep and wakes back
up correctly.
EXPECTED RESULT
The monitor should go to sleep. When the session is resumed the desktop and
all applications should be as they were before the monitor went to sleep. The
logs should not fill with information about the screen after every sleep/wake
cycle.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Opensuse Tumbleweed
KDE Plasma Version: 5.27.1
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
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