https://bugs.kde.org/show_bug.cgi?id=400394
Bug ID: 400394
Summary: KWin crashes when closing maximized windows
Product: kwin
Version: 5.14.0
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: jeweljame...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.14.0)
Qt Version: 5.11.2
Frameworks Version: 5.50.0
Operating System: Linux 4.14.74-1-lts x86_64
Distribution (Platform): Archlinux Packages
-- Information about the crash:
I use Macsimize scipt with KWin to maximize windows to a new workspace. However
when I close the Windows automatically docked to another workspace, KWin
crashes.
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe22c61c840 (LWP 883))]
Thread 6 (Thread 0x7fe22919d700 (LWP 1563)):
#0 0x00007fe236a12ca6 in ppoll () at /usr/lib/libc.so.6
#1 0x00007fe2355ede9b in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007fe2355ef38b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007fe23559d8cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007fe2353e6eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007fe233833859 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007fe2353f0f65 in () at /usr/lib/libQt5Core.so.5
#7 0x00007fe234004a9d in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fe236a1da43 in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7fe20f512700 (LWP 974)):
#0 0x00007fe23400aafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fe234eff20c in () at /usr/lib/libQt5Script.so.5
#2 0x00007fe234eff229 in () at /usr/lib/libQt5Script.so.5
#3 0x00007fe234004a9d in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007fe236a1da43 in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7fe219b18700 (LWP 970)):
#0 0x00007fe23400aafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fe21a0f017c in () at /usr/lib/dri/i965_dri.so
#2 0x00007fe21a0efeb8 in () at /usr/lib/dri/i965_dri.so
#3 0x00007fe234004a9d in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007fe236a1da43 in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7fe22883f700 (LWP 968)):
#0 0x00007fe236a12ca6 in ppoll () at /usr/lib/libc.so.6
#1 0x00007fe2355ede9b in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007fe2355ef38b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007fe23559d8cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007fe2353e6eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007fe233833859 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007fe2353f0f65 in () at /usr/lib/libQt5Core.so.5
#7 0x00007fe234004a9d in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fe236a1da43 in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7fe22a618700 (LWP 939)):
#0 0x00007fe236a12ca6 in ppoll () at /usr/lib/libc.so.6
#1 0x00007fe2355ede9b in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007fe2355ef38b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007fe23559d8cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007fe2353e6eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007fe23330aba6 in () at /usr/lib/libQt5DBus.so.5
#6 0x00007fe2353f0f65 in () at /usr/lib/libQt5Core.so.5
#7 0x00007fe234004a9d in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fe236a1da43 in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7fe22c61c840 (LWP 883)):
[KCrash Handler]
#6 0x00007fe2366f5512 in () at /usr/lib/libkwin.so.5
#7 0x00007fe2366f58a8 in () at /usr/lib/libkwin.so.5
#8 0x00007fe23674e8af in
KWin::Workspace::activateNextClient(KWin::AbstractClient*) () at
/usr/lib/libkwin.so.5
#9 0x00007fe2366d436d in KWin::Client::releaseWindow(bool) () at
/usr/lib/libkwin.so.5
#10 0x00007fe23672fb2b in
KWin::Client::unmapNotifyEvent(xcb_unmap_notify_event_t*) () at
/usr/lib/libkwin.so.5
#11 0x00007fe2367332fc in KWin::Client::windowEvent(xcb_generic_event_t*) () at
/usr/lib/libkwin.so.5
#12 0x00007fe2367340f0 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
() at /usr/lib/libkwin.so.5
#13 0x00007fe23559c6ef in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib/libQt5Core.so.5
#14 0x00007fe22c1cd452 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/libQt5XcbQpa.so.5
#15 0x00007fe22c1ce01d in QXcbConnection::processXcbEvents() () at
/usr/lib/libQt5XcbQpa.so.5
#16 0x00007fe2355c9352 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#17 0x00007fe235f18e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#18 0x00007fe235f206e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#19 0x00007fe23559ec39 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#20 0x00007fe2355a1ccc in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#21 0x00007fe2355ef1fd in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#22 0x00007fe22c2620ce in () at /usr/lib/libQt5XcbQpa.so.5
#23 0x00007fe23559d8cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#24 0x00007fe2355a5bc6 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#25 0x00007fe236aefb26 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#26 0x00007fe236946223 in __libc_start_main () at /usr/lib/libc.so.6
#27 0x000055e428ce905e in _start ()
[Inferior 1 (process 883) detached]
Reported using DrKonqi
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