https://bugs.kde.org/show_bug.cgi?id=404632
Bug ID: 404632
Summary: KWin Crashed
Product: kwin
Version: 5.12.7
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: zoltan.antal...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.12.7)
Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-32-generic x86_64
Distribution: Ubuntu 18.04.2 LTS
-- Information about the crash:
- What I was doing when the application crashed:
Write an e-mail with thunderbird, then clicked to taskbar to a vlc icon, that
plays a video.
-- 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 0x7fccf0a15040 (LWP 18049))]
Thread 5 (Thread 0x7fcccf7fe700 (LWP 20474)):
#0 0x00007fccefc519f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fccd0019b9c) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007fccefc519f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fccd0019b48, cond=0x7fccd0019b70) at pthread_cond_wait.c:502
#2 0x00007fccefc519f3 in __pthread_cond_wait (cond=0x7fccd0019b70,
mutex=0x7fccd0019b48) at pthread_cond_wait.c:655
#3 0x00007fcc38150b1b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007fcc38150847 in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007fccefc4b6db in start_thread (arg=0x7fcccf7fe700) at
pthread_create.c:463
#6 0x00007fccf018888f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7fccccf55700 (LWP 18150)):
#0 0x00007fccefc519f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7fccec35bfb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007fccefc519f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7fccec35bf68, cond=0x7fccec35bf90) at pthread_cond_wait.c:502
#2 0x00007fccefc519f3 in __pthread_cond_wait (cond=0x7fccec35bf90,
mutex=0x7fccec35bf68) at pthread_cond_wait.c:655
#3 0x00007fccec0655f4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4 0x00007fccec065639 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5 0x00007fccefc4b6db in start_thread (arg=0x7fccccf55700) at
pthread_create.c:463
#6 0x00007fccf018888f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7fccced86700 (LWP 18140)):
#0 0x00007fccf017bcf6 in __GI_ppoll (fds=0x7fccc4000d28, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007fcced15a5c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007fcced15bcde in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007fcced1039ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fccecf2222a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fcce7ac96f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6 0x00007fccecf2716d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fccefc4b6db in start_thread (arg=0x7fccced86700) at
pthread_create.c:463
#8 0x00007fccf018888f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7fcccffff700 (LWP 18070)):
#0 0x00007fccf017bcf6 in __GI_ppoll (fds=0x7fccc800afb8, nfds=1,
timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007fcced15a5c1 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007fcced15bcde in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007fcced1039ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fccecf2222a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fcce69a2d45 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6 0x00007fccecf2716d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fccefc4b6db in start_thread (arg=0x7fcccffff700) at
pthread_create.c:463
#8 0x00007fccf018888f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7fccf0a15040 (LWP 18049)):
[KCrash Handler]
#6 0x00007fccf04531b0 in main_arena () at /lib/x86_64-linux-gnu/libc.so.6
#7 0x00007fccef850d6d in KWin::Workspace::constrainedStackingOrder() () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#8 0x00007fccef851538 in KWin::Workspace::updateStackingOrder(bool) () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#9 0x00007fccef851ac0 in KWin::Workspace::blockStackingUpdates(bool) () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#10 0x00007fccef7fc870 in KWin::Client::destroyClient() () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#11 0x00007fccef85c769 in
KWin::Client::unmapNotifyEvent(xcb_unmap_notify_event_t*) () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#12 0x00007fccef85fe6b in KWin::Client::windowEvent(xcb_generic_event_t*) () at
/usr/lib/x86_64-linux-gnu/libkwin.so.5
#13 0x00007fccef8607f5 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#14 0x00007fcced10258f in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fccd7b5b820 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#16 0x00007fccd7b5c4ac in QXcbConnection::processXcbEvents() () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x00007fcced135122 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fccede8382c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fccede8b0f4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fcced1059a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fcced10811d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fcced15baf4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fccd7bbd5cd in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#24 0x00007fcced1039ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fcced10ca84 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fccf0460dbb in kdemain () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#27 0x00007fccf0088b97 in __libc_start_main (main=0x55e6787a0730, argc=3,
argv=0x7ffde29b66a8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffde29b6698) at ../csu/libc-start.c:310
#28 0x000055e6787a076a in _start ()
Possible duplicates by query: bug 383209.
Reported using DrKonqi
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