https://bugs.kde.org/show_bug.cgi?id=452398
Bug ID: 452398
Summary: Kwin crashed when disconnecting external display
Product: kwin
Version: 5.24.4
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: kishor...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.24.4)
Qt Version: 5.15.3
Frameworks Version: 5.92.0
Operating System: Linux 5.15.32-1-lts x86_64
Windowing System: X11
Distribution: Arch Linux
DrKonqi: 5.24.4 [KCrashBackend]
-- Information about the crash:
- What I was doing when the application crashed:
I disconnected a monitor (connected via a VGA-to-HDMI adapter, HDMI port on my
laptop), and while the window manager was adjusting the display, I tried to
activate the desktop grid effect from the screen corner.
The reporter is unsure if this crash is reproducible.
-- Backtrace:
Application: கேவின் (kwin_x11), signal: Segmentation fault
Content of s_kcrashErrorMessage: {_M_t = {<std::__uniq_ptr_impl<char,
std::default_delete<char []> >> = {_M_t = std::tuple containing = {[1] = 0x0,
[2] = {<No data fields>}}}, <No data fields>}}
[KCrash Handler]
#6 0x0000000000000000 in ()
#7 0x0000559a8f96d785 in KWin::PresentWindowsEffect::setActive(bool)
(this=0x559a922061e0, active=<optimized out>) at
/usr/src/debug/kwin-5.24.4/src/effects/presentwindows/presentwindows.cpp:1710
#8 0x00007fda51e559e8 in KWin::Workspace::workspaceEvent(QEvent*)
(this=<optimized out>, e=0x7ffdaa7b3450) at
/usr/src/debug/kwin-5.24.4/src/events.cpp:316
#9 KWin::Workspace::workspaceEvent(QEvent*) (this=<optimized out>,
e=e@entry=0x7ffdaa7b3450) at /usr/src/debug/kwin-5.24.4/src/events.cpp:312
#10 0x0000559a8f938cab in KWin::ApplicationX11::notify(QObject*, QEvent*)
(this=0x7ffdaa7b3690, o=0x559a8ffac000, e=0x7ffdaa7b3450) at
/usr/src/debug/kwin-5.24.4/src/main_x11.cpp:270
#11 0x00007fda5053e5aa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x559a8ffac000, event=0x7ffdaa7b3450) at
kernel/qcoreapplication.cpp:1064
#12 0x00007fda50911e94 in
QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*)
(e=0x7fda4404e920) at kernel/qguiapplication.cpp:2414
#13 0x00007fda508fc6e5 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1169
#14 0x00007fda4a424f9a in
QXcbUnixEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x559a8fbd24b0, flags=...) at
/usr/src/debug/qtbase/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:63
#15 0x00007fda5053688b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7ffdaa7b35a0,
flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#16 0x00007fda50541fd7 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#17 0x00007fda5090c432 in QGuiApplication::exec() () at
kernel/qguiapplication.cpp:1867
#18 0x00007fda4fb6a54a in QApplication::exec() () at
kernel/qapplication.cpp:2829
#19 0x0000559a8f933e8c in main(int, char**) (argc=<optimized out>,
argv=0x7ffdaa7b3868) at /usr/src/debug/kwin-5.24.4/src/main_x11.cpp:482
[Inferior 1 (process 3529) detached]
Possible duplicates by query: bug 452375, bug 452083, bug 451693, bug 451425,
bug 450954.
Reported using DrKonqi
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