https://bugs.kde.org/show_bug.cgi?id=524199
Bug ID: 524199
Summary: Bug: KDE Virtual Desktops prevent proper suspend on
Lenovo LOQ
Classification: Plasma
Product: plasmashell
Version First master
Reported In:
Platform: Kubuntu
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
DESCRIPTION
Today, I decided to try out the virtual desktops for better management of all
my programs for coding and work.
On a Lenovo LOQ laptop, enabling KDE Plasma virtual desktops appears to cause
suspend to fail.
Wayland session.
When the system is suspended with virtual desktops enabled, the display turns
off, but the keyboard backlight remains on. The laptop does not respond to
keyboard input or other normal wake-up actions, and the display does not come
back on.
The system has to be forcibly powered off/restarted to recover.
STEPS TO REPRODUCE
1. Enable virtual desktops in KDE Plasma.
2. Use the system's normal Suspend action.
3.1. Wait for the display to turn off.
3.2. This happens once every two or three suspends.
4. Press a keyboard key or otherwise attempt to wake the laptop.
OBSERVED RESULT
The display turns off, but the keyboard backlight remains illuminated. The
laptop does not wake when pressing keys, and the display remains off.
EXPECTED RESULT
The laptop should enter suspend correctly, with the keyboard backlight turning
off. Pressing a key or otherwise waking the laptop should restore the display
and resume the KDE session normally.
SOFTWARE/OS VERSIONS
Operating System: Kubuntu 26.04 LTS
KDE Plasma Version: plasmashell 6.6.6
QThreadStorage: entry 7 destroyed before end of thread 0x5b61cce93080
QThreadStorage: entry 2 destroyed before end of thread 0x5b61cce93080
QThreadStorage: entry 1 destroyed before end of thread 0x5b61cce93080
KDE Frameworks Version: I don't know how to find out this version. kf6-config
--version on my Kubuntu reports: command not found
Qt Version: QMake version 3.1
Using Qt version 6.10.2 in /usr/lib/x86_64-linux-gnu
ADDITIONAL INFORMATION
Hardware: Lenovo LOQ laptop
Operating System: Kubuntu 26.04 LTS
KDE Plasma Version: 6.6.6
KDE Frameworks Version: 6.24.0
Qt Version: 6.10.2
Kernel Version: 7.0.0-29-generic (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7735HS with Radeon Graphics
Memory: 16 GiB of RAM (14,8 GiB usable)
Graphics Processor 1: AMD Radeon 680M
Graphics Processor 2: NVIDIA GeForce RTX 4050 Laptop GPU/PCIe/SSE2
Manufacturer: LENOVO
Product Name: 83S0
System Version: LOQ 15ARP10E
The problem appears to correlate with KDE virtual desktops being enabled.
Further testing is needed to determine whether virtual desktops are the direct
cause of the suspend failure.
The issue does not appear to be a normal display-only problem because the
keyboard backlight remains on and the system does not respond to normal wake-up
input.
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