Application: plasmashell (5.8.2)

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.8.4-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
'sudo systemctl start docker'
plasma crashed, panel dissapeared. After panel restarts - some icons in tray are missing.

- Unusual behavior I noticed:
hang for 1-2 sec, then plasma panel crashed.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f076b9d1800 (LWP 642))]

Thread 8 (Thread 0x7f069ca10700 (LWP 2639)):
#0  0x00007f07650d748d in poll () at /usr/lib/libc.so.6
#1  0x00007f076039d786 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f076039d89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f07659f972b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f07659a323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f07657c60f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f0768b292d5 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f07657cad78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f07648da454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f07650e07df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f06b309e700 (LWP 784)):
#0  0x00007f076039cc95 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#1  0x00007f076039d6ab in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f076039d89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f07659f972b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f07659a323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f07657c60f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f07696c8856 in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f07657cad78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f07648da454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f07650e07df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f0745f4f700 (LWP 742)):
#0  0x00007f07648e010f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f076b158ac4 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f076b158b09 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f07648da454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f07650e07df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f0747bb5700 (LWP 693)):
#0  0x00007f07650d34ed in read () at /usr/lib/libc.so.6
#1  0x00007f07603e1a10 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f076039d235 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f076039d724 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f076039d89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f07659f972b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f07659a323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f07657c60f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f0768b292d5 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f07657cad78 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f07648da454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f07650e07df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f074d7ab700 (LWP 687)):
#0  0x00007f07650d34ed in read () at /usr/lib/libc.so.6
#1  0x00007f07603e1a10 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f076039d235 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f076039d724 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f076039d89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f07659f972b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f07659a323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f07657c60f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f0768b292d5 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f07657cad78 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f07648da454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f07650e07df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f074f1f3700 (LWP 661)):
#0  0x00007f07650d748d in poll () at /usr/lib/libc.so.6
#1  0x00007f076039d786 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f076039d89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f07659f972b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f07659a323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f07657c60f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f0766546e55 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f07657cad78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f07648da454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f07650e07df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f0754edd700 (LWP 652)):
#0  0x00007f07650d748d in poll () at /usr/lib/libc.so.6
#1  0x00007f076a0988e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f076a09a679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f0756c1a449 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f07657cad78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f07648da454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f07650e07df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f076b9d1800 (LWP 642)):
[KCrash Handler]
#6  0x00007f076502b04f in raise () at /usr/lib/libc.so.6
#7  0x00007f076502c47a in abort () at /usr/lib/libc.so.6
#8  0x00007f07657b14a1 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f076657eca2 in  () at /usr/lib/libQt5DBus.so.5
#10 0x00007f07659e19a8 in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f07659e220f in QVariant::QVariant(int, void const*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f07659b22c2 in QMetaProperty::read(QObject const*) const () at /usr/lib/libQt5Core.so.5
#13 0x00007f07659cf3cf in QObject::property(char const*) const () at /usr/lib/libQt5Core.so.5
#14 0x00007f076ad6cf7a in  () at /usr/lib/libKF5Solid.so.5
#15 0x00007f076ad65798 in  () at /usr/lib/libKF5Solid.so.5
#16 0x00007f076ad87951 in  () at /usr/lib/libKF5Solid.so.5
#17 0x00007f076ad65d8e in  () at /usr/lib/libKF5Solid.so.5
#18 0x00007f076ad0ab3d in Solid::Device::emblems() const () at /usr/lib/libKF5Solid.so.5
#19 0x00007f06a2fa690a in  () at /usr/lib/qt/plugins/plasma/dataengine/plasma_engine_hotplug.so
#20 0x00007f06a2fa8a01 in  () at /usr/lib/qt/plugins/plasma/dataengine/plasma_engine_hotplug.so
#21 0x00007f07659d0659 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#22 0x00007f076ad0c7b2 in Solid::DeviceNotifier::deviceAdded(QString const&) () at /usr/lib/libKF5Solid.so.5
#23 0x00007f07659d0659 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#24 0x00007f076ad936b2 in  () at /usr/lib/libKF5Solid.so.5
#25 0x00007f076ad5a2fd in  () at /usr/lib/libKF5Solid.so.5
#26 0x00007f07659d0659 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#27 0x00007f076ad97bb2 in  () at /usr/lib/libKF5Solid.so.5
#28 0x00007f076ad9aff5 in  () at /usr/lib/libKF5Solid.so.5
#29 0x00007f07665532d0 in  () at /usr/lib/libQt5DBus.so.5
#30 0x00007f07659d14b9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#31 0x00007f076690fe0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#32 0x00007f0766917581 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#33 0x00007f07659a4de0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#34 0x00007f07659a756d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#35 0x00007f07659f9303 in  () at /usr/lib/libQt5Core.so.5
#36 0x00007f076039d587 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#37 0x00007f076039d7f0 in  () at /usr/lib/libglib-2.0.so.0
#38 0x00007f076039d89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#39 0x00007f07659f970f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#40 0x00007f07659a323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#41 0x00007f07659ab73c in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#42 0x000000000041c8b2 in  ()
#43 0x00007f0765018291 in __libc_start_main () at /usr/lib/libc.so.6
#44 0x000000000041cc3a in _start ()

Reported using DrKonqi