https://bugs.kde.org/show_bug.cgi?id=459778
Bug ID: 459778
Summary: Screen occasionally freezes when launching application
Classification: Plasma
Product: kwin
Version: 5.25.90
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: k...@hexchain.org
Target Milestone: ---
SUMMARY
My screen sometimes freezes when starting an application in Plasma Wayland on
an AMD system. The screen stops updating and the mouse cursor also no longer
moves. KWin isn't dead, as it seems it's still reacting to input events (I have
enabled the logging rule "kwin*.debug=true" to confirm this).
I've encountered this issue after launching dolphin, okular, kwrite,
thunderbird, wireshark, and systemsettings. These applications are all
wayland-native, but this is just an observation, it might not be related at
all.
It doesn't seem to be a GPU hang as I can still switch between TTY when it
happens, and at the same time, a different user session on another TTY is still
responsive.
Things I've tried but didn't help:
- Setting KWIN_COMPOSITE=O2ES for kwin_wayland
- Upgrading to mesa 22.2.0 (self-compiled without LTO because of Arch bug
FS#76019)
STEPS TO REPRODUCE
1. Start Plasma Wayland
2. Launch some applications (?)
3. ???
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.25.90
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6
Kernel Version: 5.19.11-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 PRO 6860Z with Radeon Graphics
Memory: 30.1 GiB of RAM
Graphics Processor: AMD YELLOW_CARP
mesa 22.1.7-1
qt5-base 5.15.6+kde+r177-1
qt5-wayland 5.15.6+kde+r50-1
ADDITIONAL INFORMATION
Tried to kill a frozen kwin_wayland with SIGABRT, here is the stack:
http://ix.io/4bHj
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