https://bugs.kde.org/show_bug.cgi?id=397280
Bug ID: 397280
Summary: kwin starts to crash at some random point
Product: kwin
Version: 5.12.6
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: shuebnerfu...@gmx.org
Target Milestone: ---
Application: kwin_x11 (5.12.6)
Qt Version: 5.9.5
Frameworks Version: 5.47.0
Operating System: Linux 4.15.0-29-generic x86_64
Distribution: Ubuntu 18.04.1 LTS
-- Information about the crash:
- What I was doing when the application crashed:
Switched from one virtual desktop to another. Kwin starts to crash sometimes
and after that, it crashes each time I switch virtual desktops, until I reboot.
Sometimes kwin restarts automatically, sometimes I need to switch to virtual
konsole to manually restart it.
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f48fde2dcc0 (LWP 27892))]
Thread 5 (Thread 0x7f48ca321700 (LWP 27907)):
#0 0x00007f48f68099f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f48f9dabfb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f48f68099f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f48f9dabf68, cond=0x7f48f9dabf90) at pthread_cond_wait.c:502
#2 0x00007f48f68099f3 in __pthread_cond_wait (cond=0x7f48f9dabf90,
mutex=0x7f48f9dabf68) at pthread_cond_wait.c:655
#3 0x00007f48f9ab55f4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4 0x00007f48f9ab5639 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5 0x00007f48f68036db in start_thread (arg=0x7f48ca321700) at
pthread_create.c:463
#6 0x00007f48fd7ba88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f48d16d8700 (LWP 27906)):
#0 0x00007f48fd7adcf6 in __GI_ppoll (fds=0x7f48c4000d28, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f48fabae5c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f48fabafcde in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f48fab579ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f48fa97622a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f48f52ef6f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f48fa97b16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f48f68036db in start_thread (arg=0x7f48d16d8700) at
pthread_create.c:463
#8 0x00007f48fd7ba88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f48e179d700 (LWP 27905)):
#0 0x00007f48fd7adcf6 in __GI_ppoll (fds=0x7f48cc000d28, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f48fabae5c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f48fabafcde in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f48fab579ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f48fa97622a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f48f52ef6f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f48fa97b16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f48f68036db in start_thread (arg=0x7f48e179d700) at
pthread_create.c:463
#8 0x00007f48fd7ba88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f48e2dd2700 (LWP 27896)):
#0 0x00007f48fd7adcf6 in __GI_ppoll (fds=0x7f48d400ddb8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f48fabae5c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f48fabafcde in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f48fab579ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f48fa97622a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f48f41bfd45 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6 0x00007f48fa97b16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f48f68036db in start_thread (arg=0x7f48e2dd2700) at
pthread_create.c:463
#8 0x00007f48fd7ba88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f48fde2dcc0 (LWP 27892)):
[KCrash Handler]
#6 0x00007f48fd6d7e97 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:51
#7 0x00007f48fd6d9801 in __GI_abort () at abort.c:79
#8 0x00007f48fa965fa7 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f48f59c12b7 in
QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f48f59c2285 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f48f59c2eaa in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f48fb127375 in QWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f48f5a37565 in QQuickWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f48d3965553 in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#15 0x00007f48fb8d782c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f48fb8df0f4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f48fab599a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f48fb11c43f in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f48fb11d07d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f48fb0f42eb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007f48e539e5d6 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#22 0x00007f48fab579ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f48fab60a84 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f48fda92dbb in kdemain () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#25 0x00007f48fd6bab97 in __libc_start_main (main=0x55e3f5aae730, argc=3,
argv=0x7fff3970dbe8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff3970dbd8) at ../csu/libc-start.c:310
#26 0x000055e3f5aae76a in _start ()
Reported using DrKonqi
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