https://bugs.kde.org/show_bug.cgi?id=412642
Bug ID: 412642
Summary: kwin closed unexpectedly
Product: kwin
Version: 5.16.4
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: 16fr4...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.16.4)
Qt Version: 5.12.2
Frameworks Version: 5.61.0
Operating System: Linux 5.0.0-29-generic x86_64
Distribution: Ubuntu 19.04
-- Information about the crash:
- What I was doing when the application crashed:
I was moving between my four virtual desktops too many times to exchange
applications, until kwin reported a serious bug and the entire desktop get
restarted.
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f31a2450880 (LWP 1443))]
Thread 8 (Thread 0x7f31993ac700 (LWP 26421)):
#0 0x00007f31a7e9d3bb in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b42c326ae0) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f31a7e9d3bb in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b42c326a90, cond=0x55b42c326ab8) at pthread_cond_wait.c:502
#2 0x00007f31a7e9d3bb in __pthread_cond_wait (cond=0x55b42c326ab8,
mutex=0x55b42c326a90) at pthread_cond_wait.c:655
#3 0x00007f31a8cfc733 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f31a8cfc819 in QWaitCondition::wait(QMutex*, unsigned long) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f31a79da5d9 in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f31a79da83a in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007f31a8cf6612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f31a7e97182 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9 0x00007f31aa39cb1f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7f319adee700 (LWP 22121)):
#0 0x00007f31a7e9d3bb in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b42c0ec814) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f31a7e9d3bb in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b42c0ec7c0, cond=0x55b42c0ec7e8) at pthread_cond_wait.c:502
#2 0x00007f31a7e9d3bb in __pthread_cond_wait (cond=0x55b42c0ec7e8,
mutex=0x55b42c0ec7c0) at pthread_cond_wait.c:655
#3 0x00007f31a8cfc733 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f31a8cfc819 in QWaitCondition::wait(QMutex*, unsigned long) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f31a79da5d9 in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007f31a79da83a in () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007f31a8cf6612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007f31a7e97182 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#9 0x00007f31aa39cb1f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f31899ba700 (LWP 16235)):
#0 0x00007f31aa390826 in __GI_ppoll (fds=0x7f3178003058, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f31a8efb041 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f31a8efc4b9 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f31a8eaa5bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f31a8cf52c6 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f31a7653ef5 in () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f31a8cf6612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f31a7e97182 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f31aa39cb1f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f31891b9700 (LWP 1624)):
#0 0x00007f31a7e9d3bb in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f31a888cfb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f31a7e9d3bb in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f31a888cf68, cond=0x7f31a888cf90) at pthread_cond_wait.c:502
#2 0x00007f31a7e9d3bb in __pthread_cond_wait (cond=0x7f31a888cf90,
mutex=0x7f31a888cf68) at pthread_cond_wait.c:655
#3 0x00007f31a8796eca in () at /lib/x86_64-linux-gnu/libQt5Script.so.5
#4 0x00007f31a8796ee9 in () at /lib/x86_64-linux-gnu/libQt5Script.so.5
#5 0x00007f31a7e97182 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007f31aa39cb1f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f318b56c700 (LWP 1602)):
#0 0x00007f31a7e9d3bb in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55b42b857628) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007f31a7e9d3bb in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55b42b8575d8, cond=0x55b42b857600) at pthread_cond_wait.c:502
#2 0x00007f31a7e9d3bb in __pthread_cond_wait (cond=0x55b42b857600,
mutex=0x55b42b8575d8) at pthread_cond_wait.c:655
#3 0x00007f318b7bd36b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007f318b7bd0d7 in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007f31a7e97182 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6 0x00007f31aa39cb1f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f319a5ed700 (LWP 1593)):
#0 0x00007f31aa390826 in __GI_ppoll (fds=0x7f3190000d28, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f31a8efb041 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f31a8efc4b9 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f31a8eaa5bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f31a8cf52c6 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f31a7653ef5 in () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007f31a8cf6612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f31a7e97182 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f31aa39cb1f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f319bfff700 (LWP 1493)):
#0 0x00007f31aa390826 in __GI_ppoll (fds=0x7f319400e988, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f31a8efb041 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007f31a8efc4b9 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007f31a8eaa5bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007f31a8cf52c6 in QThread::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f31a70af565 in () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#6 0x00007f31a8cf6612 in () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f31a7e97182 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#8 0x00007f31aa39cb1f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f31a2450880 (LWP 1443)):
[KCrash Handler]
#6 0x00007f31aa0142df in
KWin::AbstractClient::setDesktops(QVector<KWin::VirtualDesktop*>) () at
/lib/x86_64-linux-gnu/libkwin.so.5
#7 0x00007f31aa0ebc6b in
KWin::EffectsHandlerImpl::windowToDesktops(KWin::EffectWindow*,
QVector<unsigned int> const&) () at /lib/x86_64-linux-gnu/libkwin.so.5
#8 0x00007f31a893d925 in () at
/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#9 0x00007f31aa0ede4f in
KWin::EffectsHandlerImpl::checkInputWindowEvent(QMouseEvent*) () at
/lib/x86_64-linux-gnu/libkwin.so.5
#10 0x00007f31a060d4ac in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#11 0x00007f31aa07c9f9 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
() at /lib/x86_64-linux-gnu/libkwin.so.5
#12 0x00007f31a8ea944f in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f31a1aee580 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x00007f31a1aef50d in
QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#15 0x00007f31a1b19a1c in () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#16 0x00007f31a8eaa5bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f31a8eb25e2 in QCoreApplication::exec() () at
/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f31aa473df8 in kdemain () at
/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#19 0x00007f31aa2a5b6b in __libc_start_main (main=0x55b42a6c4050, argc=3,
argv=0x7ffd7530d338, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd7530d328) at ../csu/libc-start.c:308
#20 0x000055b42a6c408a in _start ()
[Inferior 1 (process 1443) detached]
Reported using DrKonqi
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