https://bugs.kde.org/show_bug.cgi?id=443985

            Bug ID: 443985
           Summary: Kwin Crashing constantly
           Product: kwin
           Version: 5.22.90
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kwin-bugs-n...@kde.org
          Reporter: imagesfromobje...@gmail.com
  Target Milestone: ---

Application: kwin_x11 (5.22.90)

Qt Version: 5.15.2
Frameworks Version: 5.86.0
Operating System: Linux 5.11.0-38-generic x86_64
Windowing System: X11
Distribution: Ubuntu 21.10
DrKonqi: 5.22.90 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed: Logging in


- Unusual behavior I noticed: Screen blinking, window decorations and plasma
style customizations turned black or disappeared.

- Custom settings of the application: Using Nordic Round window decorations and
plasma style.

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault

[KCrash Handler]
#4  0x00007fa3f72a39a9 in KWin::EffectQuickView::EffectQuickView(QObject*,
QWindow*, KWin::EffectQuickView::ExportMode) () from
/lib/x86_64-linux-gnu/libkwineffects.so.13
#5  0x00007fa3dc58a95c in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#6  0x00007fa3f8ee307b in
KWin::Decoration::DecorationBridge::createDecoration(KWin::AbstractClient*) ()
from /lib/x86_64-linux-gnu/libkwin.so.5
#7  0x00007fa3f8fe23e0 in KWin::X11Client::createDecoration(QRect const&) ()
from /lib/x86_64-linux-gnu/libkwin.so.5
#8  0x00007fa3f8fe101c in KWin::X11Client::updateDecoration(bool, bool) () from
/lib/x86_64-linux-gnu/libkwin.so.5
#9  0x00007fa3f8fe416e in KWin::X11Client::manage(unsigned int, bool) () from
/lib/x86_64-linux-gnu/libkwin.so.5
#10 0x00007fa3f8fcc909 in KWin::Workspace::createClient(unsigned int, bool) ()
from /lib/x86_64-linux-gnu/libkwin.so.5
#11 0x00007fa3f8fd017d in KWin::Workspace::initializeX11() () from
/lib/x86_64-linux-gnu/libkwin.so.5
#12 0x00007fa3f8fc6568 in KWin::Workspace::init() () from
/lib/x86_64-linux-gnu/libkwin.so.5
#13 0x00007fa3f8fc9a61 in KWin::Workspace::Workspace() () from
/lib/x86_64-linux-gnu/libkwin.so.5
#14 0x00007fa3f8f3cf34 in KWin::Application::createWorkspace() () from
/lib/x86_64-linux-gnu/libkwin.so.5
#15 0x0000558c50c1bd25 in ?? ()
#16 0x00007fa3f833ba53 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fa3f7ee5df3 in ?? () from
/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#18 0x00007fa3f833165f in QObject::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fa3f796f6b3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fa3f830416a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fa3f835c86b in QTimerInfoList::activateTimers() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fa3f835ad27 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fa3f15f0f72 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#24 0x00007fa3f8302a9b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fa3f830b024 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x0000558c50c1ab9d in ?? ()
#27 0x00007fa3f73e6fd0 in __libc_start_call_main
(main=main@entry=0x558c50c1a760, argc=argc@entry=3,
argv=argv@entry=0x7fffa20543c8) at ../sysdeps/nptl/libc_start_call_main.h:58
#28 0x00007fa3f73e707d in __libc_start_main_impl (main=0x558c50c1a760, argc=3,
argv=0x7fffa20543c8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffa20543b8) at ../csu/libc-start.c:409
#29 0x0000558c50c1b0a5 in ?? ()
[Inferior 1 (process 1937) detached]

The reporter indicates this bug may be a duplicate of or related to bug 428897.

Possible duplicates by query: bug 442809, bug 441585, bug 440568, bug 438738,
bug 437953.

Reported using DrKonqi

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