https://bugs.kde.org/show_bug.cgi?id=514918
Bug ID: 514918
Summary: Kwin changes resolution out of nowhere
Classification: Plasma
Product: kwin
Version First git master
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
This has happened to me couple times, and I do not know what exactly causes it,
but when opening/closing windows (usually librewolf with hardware rendering
on), kwin decides to change resolution to something smaller out of nowhere,
without any user input.
STEPS TO REPRODUCE
1. Open various windows that use hardware rendering (idk if that is proper term
but anyway)
2. Occasionally journal is full of logs from kwin saying: Atomic modeset test
failed! Cannot allocate memory
OBSERVED RESULT
The journal keeps spamming this until resolution gets changed
EXPECTED RESULT
?
SOFTWARE/OS VERSIONS
Operating System: KDE Linux 2026-01-21
KDE Plasma Version: 6.6.80
KDE Frameworks Version: 6.23.0
Qt Version: 6.10.1
Kernel Version: 6.18.5-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 3600 6-Core Processor
Memory: 16 GiB of RAM (15.5 GiB usable)
Graphics Processor: AMD Radeon RX 6600
ADDITIONAL INFORMATION
Here's all the logs i have from during the time the reset happens:
Jan 21 23:50:13 desktop flatpak[87373]:
qrc:/qt/qml/org/kde/kirigamiaddons/labs/components/Avatar.qml:230:9: QML
QQuickImage: Failed to fetch remote media (https://m>
Jan 21 23:50:14 desktop kwin_wayland[69326]: Failed to find a working output
layer configuration! Enabled layers:
Jan 21 23:50:14 desktop kwin_wayland[69326]: src KWin::RectF(0,0 3440x1440) ->
dst KWin::Rect(0,0 3440x1440)
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Applying output configuration
failed!
Jan 21 23:50:14 desktop kwin_wayland[69326]: Failed to find a working output
layer configuration! Enabled layers:
Jan 21 23:50:14 desktop kwin_wayland[69326]: src KWin::RectF(0,0 3440x1440) ->
dst KWin::Rect(0,0 3440x1440)
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Applying output configuration
failed!
Jan 21 23:50:14 desktop kwin_wayland[69326]: Failed to find a working output
layer configuration! Enabled layers:
Jan 21 23:50:14 desktop kwin_wayland[69326]: src KWin::RectF(0,0 3440x1440) ->
dst KWin::Rect(0,0 3440x1440)
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Applying output configuration
failed!
Jan 21 23:50:14 desktop kwin_wayland[69326]: Failed to find a working output
layer configuration! Enabled layers:
Jan 21 23:50:14 desktop kwin_wayland[69326]: src KWin::RectF(0,0 3440x1440) ->
dst KWin::Rect(0,0 3440x1440)
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Applying output configuration
failed!
Jan 21 23:50:14 desktop kwin_wayland[69326]: Failed to find a working output
layer configuration! Enabled layers:
Jan 21 23:50:14 desktop kwin_wayland[69326]: src KWin::RectF(0,0 3440x1440) ->
dst KWin::Rect(0,0 3440x1440)
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Applying output configuration
failed!
Jan 21 23:50:14 desktop kwin_wayland[69326]: Failed to find a working output
layer configuration! Enabled layers:
Jan 21 23:50:14 desktop kwin_wayland[69326]: src KWin::RectF(0,0 3440x1440) ->
dst KWin::Rect(0,0 3440x1440)
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Applying output configuration
failed!
Jan 21 23:50:14 desktop kwin_wayland[69326]: Failed to find a working output
layer configuration! Enabled layers:
Jan 21 23:50:14 desktop kwin_wayland[69326]: src KWin::RectF(0,0 3440x1440) ->
dst KWin::Rect(0,0 3440x1440)
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Applying output configuration
failed!
Jan 21 23:50:14 desktop kwin_wayland[69326]: Failed to find a working output
layer configuration! Enabled layers:
Jan 21 23:50:14 desktop kwin_wayland[69326]: src KWin::RectF(0,0 3440x1440) ->
dst KWin::Rect(0,0 3440x1440)
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Atomic modeset test failed! Cannot
allocate memory
Jan 21 23:50:14 desktop kwin_wayland[69326]: Applying output configuration
failed!
Jan 21 23:50:14 desktop kwin_wayland[69326]: Failed to find a working output
layer configuration! Enabled layers:
Jan 21 23:50:14 desktop kwin_wayland[69326]: src KWin::RectF(0,0 3440x1440) ->
dst KWin::Rect(0,0 3440x1440)
Nothing is kwin related before/after this logspam
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