https://bugs.kde.org/show_bug.cgi?id=515886
Bug ID: 515886
Summary: Short freeze of kwin when opening the Signal
application
Classification: Plasma
Product: kwin
Version First 6.5.5
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Keywords: wayland-only
Severity: normal
Priority: NOR
Component: performance
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
When I open the Signal application, kwin (Wayland) lockups for 200-400ms.
STEPS TO REPRODUCE
1. Open the Signal application, while moving the cursor.
OBSERVED RESULT
Short freeze of 200-400ms.
EXPECTED RESULT
No freeze.
SOFTWARE/OS VERSIONS
Linux: 6.18.9-arch1-2
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.22.0
Qt Version: 6.10.2
ADDITIONAL INFORMATION
The main thread seems to spend too much time here:
#0 0x00007f7a4408a934 in ?? () from /usr/lib/libKF6Notifications.so.6
#1 0x00007f7a40f6ab94 in
QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*)
() from /usr/lib/libQt6Core.so.6
#2 0x00007f7a421033a4 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt6Widgets.so.6
#3 0x00007f7a40f6bf48 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt6Core.so.6
#4 0x00007f7a40f6c320 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQt6Core.so.6
#5 0x00007f7a411300cd in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt6Core.so.6
#6 0x00007f7a41d33cf3 in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/libQt6Gui.so.6
#7 0x00007f7a40f76cf6 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt6Core.so.6
#8 0x00007f7a40f709f1 in QCoreApplication::exec() () from
/usr/lib/libQt6Core.so.6
#9 0x000055afc7976a94 in ?? ()
#10 0x00007f7a40836635 in __libc_init_first () from /usr/lib/libc.so.6
#11 0x000055af30313050 in ?? ()
#12 0x00007ffcf64996a8 in ?? ()
#13 0x0000000e01086c10 in ?? ()
#14 0x000055afc79746a0 in ?? ()
#15 0x0000000000000000 in ?? ()
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