Application: plasmashell (5.12.9)

Qt Version: 5.13.1
Frameworks Version: 5.63.0
Operating System: Linux 5.0.0-31-generic x86_64
Distribution: Linux Mint 19.2 Tina

-- Information about the crash:
- What I was doing when the application crashed:
	* I started/restarted my system and saw the notification that plasma crashed. Plasma was crashing time and again, yesterday, when I was working with Virtualbox.
- Unusual behavior I noticed:
	* Plasma was crashing time and again, yesterday, when I was working with Virtualbox.

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 0x7f165fa09800 (LWP 2293))]

Thread 11 (Thread 0x7f157cb1f700 (LWP 2796)):
#0  0x00007f16586999f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557a88666f74) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f16586999f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x557a88666f20, cond=0x557a88666f48) at pthread_cond_wait.c:502
#2  0x00007f16586999f3 in __pthread_cond_wait (cond=0x557a88666f48, mutex=0x557a88666f20) at pthread_cond_wait.c:655
#3  0x00007f1659518b0b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1659518e19 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f165d629ec8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f165d62a2fa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f1659511b72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f16586936db in start_thread (arg=0x7f157cb1f700) at pthread_create.c:463
#9  0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f157d3c3700 (LWP 2795)):
#0  0x00007f16586999f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557a86ce8a30) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f16586999f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x557a86ce89e0, cond=0x557a86ce8a08) at pthread_cond_wait.c:502
#2  0x00007f16586999f3 in __pthread_cond_wait (cond=0x557a86ce8a08, mutex=0x557a86ce89e0) at pthread_cond_wait.c:655
#3  0x00007f1659518b0b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1659518e19 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f165d629ec8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f165d62a2fa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f1659511b72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f16586936db in start_thread (arg=0x7f157d3c3700) at pthread_create.c:463
#9  0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f158605e700 (LWP 2786)):
#0  0x00007f16586999f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557a83b90c54) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f16586999f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x557a83b90c00, cond=0x557a83b90c28) at pthread_cond_wait.c:502
#2  0x00007f16586999f3 in __pthread_cond_wait (cond=0x557a83b90c28, mutex=0x557a83b90c00) at pthread_cond_wait.c:655
#3  0x00007f1659518b0b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1659518e19 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f165d629ec8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f165d62a2fa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f1659511b72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f16586936db in start_thread (arg=0x7f158605e700) at pthread_create.c:463
#9  0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f15a1140700 (LWP 2733)):
#0  0x00007f1658e01bf9 in __GI___poll (fds=0x7f159c006640, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f16536be5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f16536be6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f16597549db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f16596f4eaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f16595103ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f165d5a3ac6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f1659511b72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f16586936db in start_thread (arg=0x7f15a1140700) at pthread_create.c:463
#9  0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f15aeb08700 (LWP 2613)):
#0  0x00007f16586999f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x557a81379258) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f16586999f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x557a81379208, cond=0x557a81379230) at pthread_cond_wait.c:502
#2  0x00007f16586999f3 in __pthread_cond_wait (cond=0x557a81379230, mutex=0x557a81379208) at pthread_cond_wait.c:655
#3  0x00007f15af5992cb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f15af598ff7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f16586936db in start_thread (arg=0x7f15aeb08700) at pthread_create.c:463
#6  0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f163a58d700 (LWP 2612)):
#0  0x00007f16586999f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f165f5edfb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f16586999f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f165f5edf68, cond=0x7f165f5edf90) at pthread_cond_wait.c:502
#2  0x00007f16586999f3 in __pthread_cond_wait (cond=0x7f165f5edf90, mutex=0x7f165f5edf68) at pthread_cond_wait.c:655
#3  0x00007f165f2f8874 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f165f2f88b9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f16586936db in start_thread (arg=0x7f163a58d700) at pthread_create.c:463
#6  0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f163bfff700 (LWP 2606)):
#0  0x00007f16536bdd00 in g_main_context_query () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f16536be547 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f16536be6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f16597549db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f16596f4eaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f16595103ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f165c978cb5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1659511b72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f16586936db in start_thread (arg=0x7f163bfff700) at pthread_create.c:463
#9  0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f16425bf700 (LWP 2555)):
#0  0x00007f1658e1de81 in __GI___clock_gettime (clock_id=1, tp=0x7f16425beaf0) at ../sysdeps/unix/clock_gettime.c:93
#1  0x00007f16597542e1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f1659752b19 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f16597530f5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f165975473e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f16536bdb28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f16536be4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f16536be6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f16597549db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f16596f4eaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f16595103ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f165c978cb5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f1659511b72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f16586936db in start_thread (arg=0x7f16425bf700) at pthread_create.c:463
#14 0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1643fff700 (LWP 2322)):
#0  0x00007f16536bda63 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f16536be4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f16536be6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f16597549db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f16596f4eaa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f16595103ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1659bcb0e5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f1659511b72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f16586936db in start_thread (arg=0x7f1643fff700) at pthread_create.c:463
#9  0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f164a35a700 (LWP 2313)):
#0  0x00007f1658e01bf9 in __GI___poll (fds=0x7f164a359ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f165e200747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f165e20236a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f164cd2bf00 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f1659511b72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f16586936db in start_thread (arg=0x7f164a35a700) at pthread_create.c:463
#6  0x00007f1658e0e88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f165fa09800 (LWP 2293)):
[KCrash Handler]
#6  0x00007f165972f89a in QObject::setProperty(char const*, QVariant const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f157fbede03 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/notifications/libnotificationshelperplugin.so
#8  0x00007f157fbeec4c in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/notifications/libnotificationshelperplugin.so
#9  0x00007f157fbf3829 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/notifications/libnotificationshelperplugin.so
#10 0x00007f157fbf4215 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/notifications/libnotificationshelperplugin.so
#11 0x00007f165c91e2a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f165c824b05 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f165c82662e in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007f165c8272c1 in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f165c8a9486 in QV4::Runtime::method_callPropertyLookup(QV4::ExecutionEngine*, QV4::Value*, unsigned int, QV4::Value*, int) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f157c23899a in  ()
#17 0x0000000000000000 in  ()

Reported using DrKonqi