https://bugs.kde.org/show_bug.cgi?id=398701
Bug ID: 398701
Summary: KWin crashing when switching windows
Product: kwin
Version: 5.13.5
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: k1-...@mail.ru
Target Milestone: ---
Application: kwin_x11 (5.13.5)
Qt Version: 5.11.1
Frameworks Version: 5.49.0
Operating System: Linux 4.18.5-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages
-- Information about the crash:
- What I was doing when the application crashed:
The crash happened while changing from one window to another. No additional
actions taken, no environment misbehaving noticed.
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 0x7f81646f66c0 (LWP 691))]
Thread 6 (Thread 0x7f814a6f1700 (LWP 2666)):
#0 0x00007f81726f1c38 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f8170ed537b in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f8170ed686b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f8170e84dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f8170ccdf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f816d73f0d9 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f8170cd8005 in () at /usr/lib/libQt5Core.so.5
#7 0x00007f816e306a9d in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f81726fca43 in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7f8149ef0700 (LWP 883)):
#0 0x00007f816e30cafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f81703ebaac in () at /usr/lib/libQt5Script.so.5
#2 0x00007f81703ebac9 in () at /usr/lib/libQt5Script.so.5
#3 0x00007f816e306a9d in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f81726fca43 in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7f814aef2700 (LWP 878)):
#0 0x00007f816e30cafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007f814b484264 in () at /usr/lib/dri/i965_dri.so
#2 0x00007f814b483f58 in () at /usr/lib/dri/i965_dri.so
#3 0x00007f816e306a9d in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007f81726fca43 in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7f8153fff700 (LWP 871)):
#0 0x00007f81726f1ca6 in ppoll () at /usr/lib/libc.so.6
#1 0x00007f8170ed537b in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007f8170ed686b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007f8170e84dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f8170ccdf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007f816d73f0d9 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007f8170cd8005 in () at /usr/lib/libQt5Core.so.5
#7 0x00007f816e306a9d in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007f81726fca43 in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7f816220f700 (LWP 722)):
#0 0x00007f817270a8fe in clock_gettime () at /usr/lib/libc.so.6
#1 0x00007f8170ed8dd2 in () at /usr/lib/libQt5Core.so.5
#2 0x00007f8170ed75ba in QTimerInfoList::updateCurrentTime() () at
/usr/lib/libQt5Core.so.5
#3 0x00007f8170ed7bb6 in QTimerInfoList::timerWait(timespec&) () at
/usr/lib/libQt5Core.so.5
#4 0x00007f8170ed6ab5 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5 0x00007f8170e84dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6 0x00007f8170ccdf59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7 0x00007f816d21bba6 in () at /usr/lib/libQt5DBus.so.5
#8 0x00007f8170cd8005 in () at /usr/lib/libQt5Core.so.5
#9 0x00007f816e306a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f81726fca43 in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7f81646f66c0 (LWP 691)):
[KCrash Handler]
#6 0x000055bc47e87350 in ()
#7 0x00007f8172415ed9 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
() at /usr/lib/libkwin.so.5
#8 0x00007f8170e83bcf in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib/libQt5Core.so.5
#9 0x00007f8164190612 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/libQt5XcbQpa.so.5
#10 0x00007f81641911fd in QXcbConnection::processXcbEvents() () at
/usr/lib/libQt5XcbQpa.so.5
#11 0x00007f8170eb0832 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#12 0x00007f8171800e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#13 0x00007f81718086e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#14 0x00007f8170e86119 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#15 0x00007f8170e891ac in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#16 0x00007f8170ed66dd in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#17 0x00007f81642245ce in () at /usr/lib/libQt5XcbQpa.so.5
#18 0x00007f8170e84dac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#19 0x00007f8170e8d0a6 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#20 0x00007f81727ceb26 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#21 0x00007f8172625223 in __libc_start_main () at /usr/lib/libc.so.6
#22 0x000055bc46bed05e in _start ()
Reported using DrKonqi
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