https://bugs.kde.org/show_bug.cgi?id=465399
Bug ID: 465399
Summary: Live image: screen goes black and will not wake up
after about 10 minutes idle
Classification: Plasma
Product: Powerdevil
Version: 5.26.90
Platform: Neon
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: fores...@sonic.net
CC: m...@ratijas.tk
Target Milestone: ---
The KDE Neon Live image session blanks the screen after sitting idle for about
ten minutes. Mouse and keyboard activity do not wake it up.
STEPS TO REPRODUCE
1. Boot the KDE Neon Testing live image in a virtual machine. (I used
virt-manager/libvirt.)
2. Let it sit idle for about ten minutes, until the screen turns black.
3. Move the mouse or press keyboard buttons.
OBSERVED RESULT
The screen remains black.
EXPECTED RESULT
The screen should have awakened.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE Neon Testing Edition neon-testing-20230206-1112.iso
Operating System: KDE neon Testing Edition
KDE Plasma Version: 5.26.90
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 5.15.0-58-generic (64-bit)
Graphics Platform: X11
Processors: 2 × Intel Xeon E3-12xx v2 (Ivy Bridge, IBRS)
Memory: 3.8 GiB of RAM
Graphics Processor: llvmpipe
Manufacturer: QEMU
Product Name: Standard PC (Q35 + ICH9, 2009)
System Version: pc-q35-5.2
ADDITIONAL INFORMATION
The OS is still running. Control+Alt+Fn can still switch between virtual
consoles. Restarting sddm from another VC succeeds at killing the GUI session
and starting a new one.
Screen Locking: Lock screen automatically is not checked
Power Management: Energy Saving: Screen Energy Saving is checked (Switch off
after 10 min.)
$ journalctl _UID=999 |tail
Feb 07 01:26:49 neon plasmashell[1493]:
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5:
QML Heading: Binding loop detected for property "verticalAlignment"
Feb 07 01:26:50 neon plasmashell[1493]:
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5:
QML Heading: Binding loop detected for property "verticalAlignment"
Feb 07 01:27:01 neon pulseaudio[1308]: GetManagedObjects() failed:
org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes
include: the remote application did not send a reply, the message bus security
policy blocked the reply, the reply timeout expired, or the network connection
was broken.
Feb 07 01:27:01 neon kded5[1448]: kf.bluezqt: PendingCall Error: "Failed to
activate service 'org.bluez': timed out (service_start_timeout=25000ms)"
Feb 07 01:36:40 neon org_kde_powerdevil[1527]: org.kde.kscreen.dpms: Failed to
query DPMS state, cannot trigger
Feb 07 01:36:40 neon org_kde_powerdevil[1527]: XIO: fatal IO error 0 (Success)
on X server ":0"
Feb 07 01:36:40 neon org_kde_powerdevil[1527]: after 366 requests (365
known processed) with 0 events remaining.
Feb 07 01:36:40 neon org_kde_powerdevil[1527]: The X11 connection broke:
Unsupported extension used (code 2)
Feb 07 01:36:59 neon systemd[1300]:
app-org.kde.plasma\x2dwelcome@autostart.service: Consumed 3.884s CPU time.
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