Application: plasmashell (5.10.5)

Qt Version: 5.7.1
Frameworks Version: 5.37.0
Operating System: Linux 4.10.0-33-generic x86_64
Distribution: Ubuntu 17.04

-- Information about the crash:
- What I was doing when the application crashed:
The taskbar seemed to crash due to a notification being shown by an application in the tray area.

-- 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 0x7f0838952280 (LWP 2954))]

Thread 10 (Thread 0x7f074f0d2700 (LWP 7792)):
#0  0x00007f0832525d8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0826ee6df1 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f0826ed8601 in pa_mainloop_poll () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f0826ed8c9e in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f0826ed8d50 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f0826ee6d39 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f082612b7d8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-10.0.so
#7  0x00007f0831ac76da in start_thread (arg=0x7f074f0d2700) at pthread_create.c:456
#8  0x00007f0832531d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 9 (Thread 0x7f0756153700 (LWP 8237)):
#0  0x00007f082d16bcf4 in g_main_context_query () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f082d16c4e8 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f082d16c68c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0832e480bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0832df1bea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0832c1ff83 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0835ae6df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f0832c24c38 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0831ac76da in start_thread (arg=0x7f0756153700) at pthread_create.c:456
#9  0x00007f0832531d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 8 (Thread 0x7f076adc9700 (LWP 3636)):
#0  0x00007f083253fdd0 in __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:88
#1  0x00007f08325218b9 in read () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007f082d1b0b30 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f082d16c042 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f082d16c514 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f082d16c68c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0832e480bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0832df1bea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0832c1ff83 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f076d2e65c7 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#10 0x00007f0832c24c38 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0831ac76da in start_thread (arg=0x7f076adc9700) at pthread_create.c:456
#12 0x00007f0832531d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7f077fcd5700 (LWP 3399)):
#0  0x00007f082d1b1ef4 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f082d16c10a in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f082d16c5e0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f082d16c68c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0832e480bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0832df1bea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0832c1ff83 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f083666b4c6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f0832c24c38 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0831ac76da in start_thread (arg=0x7f077fcd5700) at pthread_create.c:456
#10 0x00007f0832531d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7f080efb0700 (LWP 3199)):
#0  0x00007f0831acd510 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f08382d62c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f08382d6309 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f0831ac76da in start_thread (arg=0x7f080efb0700) at pthread_create.c:456
#4  0x00007f0832531d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7f0818cb9700 (LWP 3169)):
#0  0x00007f08325218ad in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f082d1b0b30 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f082d16c042 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f082d16c514 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f082d16c68c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0832e480bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0832df1bea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0832c1ff83 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0835ae6df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f0832c24c38 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0831ac76da in start_thread (arg=0x7f0818cb9700) at pthread_create.c:456
#11 0x00007f0832531d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7f081ab2e700 (LWP 3138)):
#0  0x00007f0832525d8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f082d16c576 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f082d16c68c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0832e480bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0832df1bea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0832c1ff83 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0835ae6df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f0832c24c38 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0831ac76da in start_thread (arg=0x7f081ab2e700) at pthread_create.c:456
#9  0x00007f0832531d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7f08219cb700 (LWP 2967)):
#0  0x00007f0832525d8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0837230c62 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f08372328d7 in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0823b10ef9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f0832c24c38 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0831ac76da in start_thread (arg=0x7f08219cb700) at pthread_create.c:456
#6  0x00007f0832531d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f0824ab5700 (LWP 2965)):
#0  0x00007f0832525d8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f082d16c576 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f082d16c68c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0832e480bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0832df1bea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0832c1ff83 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f083325a5d5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f0832c24c38 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0831ac76da in start_thread (arg=0x7f0824ab5700) at pthread_create.c:456
#9  0x00007f0832531d7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f0838952280 (LWP 2954)):
[KCrash Handler]
#6  0x00007f08335c6d50 in QWindow::parent() const () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7  0x00007f08335b1c41 in QPlatformWindow::parent() const () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007f0823b29b75 in QXcbWindow::hide() () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#9  0x00007f08335cbe1c in QWindow::setVisible(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007f076e20a6b8 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/notifications/libnotificationshelperplugin.so
#11 0x00007f076e20b4ba in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/notifications/libnotificationshelperplugin.so
#12 0x00007f0832e1f789 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f0835a5064d in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f0835a9fa69 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f0835a2f20f in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f0835a2f6c9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007f0835a30025 in QV4::QObjectMethod::callInternal(QV4::CallData*) const () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007f0835a45731 in QV4::Runtime::callProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#19 0x00007f076e86f8a6 in  ()
#20 0x00007f080809ad90 in  ()
#21 0xc09b1d150b2a9b00 in  ()
#22 0x00007f080f8013e0 in  ()
#23 0x0000000000000000 in  ()

The reporter indicates this bug may be a duplicate of or related to bug 377748.

Possible duplicates by query: bug 384226, bug 383123, bug 381009, bug 379088, bug 377748.

Reported using DrKonqi