https://bugs.kde.org/show_bug.cgi?id=455814
Bug ID: 455814
Summary: Display will not wake from DPMS since 5.25 (Wayland
Nvidia)
Product: Powerdevil
Version: 5.25.1
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: tswee...@protonmail.com
CC: m...@ratijas.tk
Target Milestone: ---
SUMMARY
Since upgrading to 5.25 (and still persisting in 5.25.1), it is impossible to
wake the displays from Screen Energy Saving. While the system and session
continue running fine, absolutely nothing happens when attempting to wake the
display, and no relevant output at all appears in `journalctl` (if I SSH into
the system to check it). I have tried disabling the new systemd startup mode
for plasma, but it made no difference. How else could I best collect more
information about this problem?
I reported this in `powerdevil` since it's related to the energy saving
settings, but perhaps another component is at fault for the issue.
STEPS TO REPRODUCE
1. Launch a plasma wayland session (in this case, with an NVIDIA RTX 3060
connected to two displays (one HDMI and one DP)
2. Enable Screen Energy Saving in power management settings
3. Allow the displays to be put to sleep
4. Attempt to wake.
OBSERVED RESULT
Displays remain in sleep mode despite all attempts of pressing keys, moving the
mouse, etc. Displays will not activate even if unplugged and plugged back in.
Attempting to switch tty has no effect. Only shutting down via ssh will briefly
wake them for the tty console during shutdown.
EXPECTED RESULT
Moving the mouse or touching a key will wake the display, just as it did prior
to 5.25.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.25.1
KDE Frameworks Version: 5.95.0
Qt Version: 5.15.5
Kernel Version: 5.18.5-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 24 × AMD Ryzen 9 5900X 12-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 3060/PCIe/SSE2
Manufacturer: ASUS
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