Application: plasmashell (5.8.7)

Qt Version: 5.7.1
Frameworks Version: 5.28.0
Operating System: Linux 4.11.0-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
- What I was doing when the application crashed:
I click to button for remove panel and Plasma crached. Also crashed when i create new panel.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff2cbe32940 (LWP 370))]

Thread 10 (Thread 0x7ff1fce0d700 (LWP 756)):
#0  0x00007ff2c6e365b2 in QTimerInfoList::repairTimersIfNeeded() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007ff2c6e36613 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007ff2c6e37c44 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007ff2c1c8b2cd in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff2c1c8bd1b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff2c1c8bf0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ff2c6e383db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff2c6de283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff2c6c12f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ff2c6c17c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ff2c5d2f494 in start_thread (arg=0x7ff1fce0d700) at pthread_create.c:333
#11 0x00007ff2c6535abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 9 (Thread 0x7ff1ebbef700 (LWP 753)):
#0  0x00007ff2c652c66d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ff2c1c8bdf6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff2c1c8bf0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2c6e383db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff2c6de283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff2c6c12f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff2c6c17c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff2c5d2f494 in start_thread (arg=0x7ff1ebbef700) at pthread_create.c:333
#8  0x00007ff2c6535abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 8 (Thread 0x7ff2049b4700 (LWP 390)):
#0  0x00007ff2c1cd1c84 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff2c1c8b7f1 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff2c1c8bd94 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2c1c8bf0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff2c6e383db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff2c6de283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff2c6c12f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff207318347 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007ff2c6c17c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ff2c5d2f494 in start_thread (arg=0x7ff2049b4700) at pthread_create.c:333
#10 0x00007ff2c6535abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7ff218a89700 (LWP 378)):
#0  0x00007ff2c652c66d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ff2c1c8bdf6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff2c1c8bf0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2c6e383db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff2c6de283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff2c6c12f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff2c9e1f406 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007ff2c6c17c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff2c5d2f494 in start_thread (arg=0x7ff218a89700) at pthread_create.c:333
#9  0x00007ff2c6535abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7ff2a39c4700 (LWP 375)):
#0  0x00007ff2c5d3515f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff2cb8972c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007ff2cb897309 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007ff2c5d2f494 in start_thread (arg=0x7ff2a39c4700) at pthread_create.c:333
#4  0x00007ff2c6535abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 5 (Thread 0x7ff2ad935700 (LWP 374)):
#0  0x00007ffc1cbd1a01 in clock_gettime ()
#1  0x00007ff2c6542956 in __GI___clock_gettime (clock_id=1, tp=0x7ff2ad9349c0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007ff2c6cbc011 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007ff2c6e36059 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff2c6e36605 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff2c6e379ae in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff2c1c8b2cd in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ff2c1c8bd1b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ff2c1c8bf0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ff2c6e383db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ff2c6de283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007ff2c6c12f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007ff2c94956a5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007ff2c6c17c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007ff2c5d2f494 in start_thread (arg=0x7ff2ad935700) at pthread_create.c:333
#15 0x00007ff2c6535abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7ff2af5ef700 (LWP 373)):
#0  0x00007ff2c6e365f7 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007ff2c6e379ae in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007ff2c1c8b2cd in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2c1c8bd1b in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff2c1c8bf0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff2c6e383db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff2c6de283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff2c6c12f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff2c94956a5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007ff2c6c17c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ff2c5d2f494 in start_thread (arg=0x7ff2af5ef700) at pthread_create.c:333
#11 0x00007ff2c6535abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7ff2b50c0700 (LWP 372)):
#0  0x00007ff2c652c66d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ff2c1c8bdf6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff2c1c8bf0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2c6e383db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007ff2c6de283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff2c6c12f73 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff2cbf52305 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007ff2c6c17c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff2c5d2f494 in start_thread (arg=0x7ff2b50c0700) at pthread_create.c:333
#9  0x00007ff2c6535abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7ff2b6913700 (LWP 371)):
#0  0x00007ff2c652c66d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ff2ca7ee150 in poll (__timeout=-1, __nfds=1, __fds=0x7ff2b6912b80) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  0x00007ff2ca7ee150 in _xcb_conn_wait (c=c@entry=0x55febb4f9b80, cond=cond@entry=0x55febb4f9bc0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:479
#3  0x00007ff2ca7efee9 in xcb_wait_for_event (c=0x55febb4f9b80) at ../../src/xcb_in.c:693
#4  0x00007ff2b8021b89 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#5  0x00007ff2c6c17c28 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff2c5d2f494 in start_thread (arg=0x7ff2b6913700) at pthread_create.c:333
#7  0x00007ff2c6535abf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7ff2cbe32940 (LWP 370)):
[KCrash Handler]
#6  0x00007ff1ffdfa4f4 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/applets/plasma_applet_notifications.so
#7  0x00007ff2c6e101ae in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x000055feb9db2394 in  ()
#9  0x00007ff2c6e101ae in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007ff2c6e107df in QObject::destroyed(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007ff2c6e172d5 in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007ff2ca3500e9 in Plasma::Containment::~Containment() () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#13 0x00007ff2c6e10c60 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007ff2c76c1bec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007ff2c76c9381 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007ff2c6de4850 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007ff2c6de6fed in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007ff2c6e37fb3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007ff2c1c8bbf7 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007ff2c1c8be60 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007ff2c1c8bf0c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007ff2c6e383bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007ff2c6de283a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007ff2c6deaedc in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x000055feb9d932df in  ()
#26 0x00007ff2c646d2e1 in __libc_start_main (main=0x55feb9d92780, argc=1, argv=0x7ffc1ca818b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc1ca818a8) at ../csu/libc-start.c:291
#27 0x000055feb9d9365a in _start ()

Reported using DrKonqi