https://bugs.kde.org/show_bug.cgi?id=468880

Pyroman <retratse...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDSINFO                   |REPORTED
         Resolution|BACKTRACE                   |---

--- Comment #5 from Pyroman <retratse...@gmail.com> ---
Ok, it already happened multiple times, here are two examples:

#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0,
op=393, expected=0, futex_word=0x55c10193eec4) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0,
clockid=0, expected=0, futex_word=0x55c10193eec4) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64
(futex_word=futex_word@entry=0x55c10193eec4, expected=expected@entry=0,
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at
./nptl/futex-internal.c:139
#3  0x00007fb395559ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x55c10193ee70, cond=0x55c10193ee98) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55c10193ee98, mutex=0x55c10193ee70) at
./nptl/pthread_cond_wait.c:627
#5  0x00007fb39691876b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fb397b9a14a in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb397c08f6f in QQuickWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb395ce0793 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007fb396b0018a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fb396ed9904 in QPlatformWindow::windowEvent(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007fb395ce79ba in QApplication::notify(QObject*, QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007fb396b0018a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fb396b58f1b in QTimerInfoList::activateTimers() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fb396b59864 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fb393edbd3b in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007fb393f306c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007fb393ed93e3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007fb396b59be8 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fb396afeaab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fb396b07044 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x000055c100894c57 in main (argc=<optimized out>, argv=<optimized out>) at
./src/main_x11.cpp:447


Second:

#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0,
op=393, expected=0, futex_word=0x55baf2124184) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0,
clockid=0, expected=0, futex_word=0x55baf2124184) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64
(futex_word=futex_word@entry=0x55baf2124184, expected=expected@entry=0,
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at
./nptl/futex-internal.c:139
#3  0x00007f220879aac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x55baf2124130, cond=0x55baf2124158) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55baf2124158, mutex=0x55baf2124130) at
./nptl/pthread_cond_wait.c:627
#5  0x00007f2209b5976b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f220adda87b in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f220ae49e53 in QQuickWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f2208f21793 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f2209d4118a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f220a136dc1 in QWindowPrivate::destroy() () from
/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007f220b58787f in KWin::TabBox::TabBoxHandler::hide (abort=false,
this=0x55baf1daefe0) at ./src/tabbox/tabboxhandler.cpp:433
#12 KWin::TabBox::TabBox::hide (this=this@entry=0x55baf1cf07a0,
abort=abort@entry=false) at ./src/tabbox/tabbox.cpp:727
#13 0x00007f220b587be5 in KWin::TabBox::TabBox::close
(this=this@entry=0x55baf1cf07a0, abort=abort@entry=false) at
./src/tabbox/tabbox.cpp:1429
#14 0x00007f220b587f5a in KWin::TabBox::TabBox::accept (this=0x55baf1cf07a0,
closeTabBox=<optimized out>) at ./src/tabbox/tabbox.cpp:1440
#15 0x00007f220b588792 in KWin::TabBox::TabBox::modifiersReleased
(this=0x55baf1cf07a0) at ./src/tabbox/tabbox.cpp:1458
#16 0x00007f220b58c9eb in KWin::TabBox::X11Filter::keyRelease (this=<optimized
out>, event=0x7f21f401e2d0) at ./src/tabbox/x11_filter.cpp:144
#17 KWin::TabBox::X11Filter::event (this=<optimized out>, event=0x7f21f401e2d0)
at ./src/tabbox/x11_filter.cpp:62
#18 0x00007f220b3a9804 in KWin::Application::dispatchEvent (this=<optimized
out>, event=0x7f21f401e2d0) at ./src/main.cpp:483
#19 0x00007f2209d3e557 in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f2203fc4575 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#21 0x00007f2203fc5cb6 in
QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#22 0x00007f2203fecde7 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#23 0x00007f220711bd3b in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f22071706c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f22071193e3 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f2209d9abe8 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f2209d3faab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f2209d48044 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x000055baf0183c57 in main (argc=<optimized out>, argv=<optimized out>) at
./src/main_x11.cpp:447

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