Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 4.0.0-1-mainline x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
* disabling a screen in kscreen
* apply
- Unusual behavior I noticed:
plasma segfault

- here there is the full stacktrace : https://paste.kde.org/ptngsxu3s

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0dc6f3b7c0 (LWP 1376))]

Thread 32 (Thread 0x7f0dc5400700 (LWP 1377)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd8c489f2 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f0dd8c4a56f in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f0dc6d23399 in ?? () from /usr/lib/qt/plugins/platforms/libqxcb.so
#4  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 31 (Thread 0x7f0dbe85d700 (LWP 1394)):
#0  0x00007f0dd18c2114 in g_ptr_array_set_size () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18ed111 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edba8 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x15617b0) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 30 (Thread 0x7f0db5b6d700 (LWP 1397)):
#0  0x00007f0dd18ed6e0 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18edc20 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x1f10500) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 29 (Thread 0x7f0dabfff700 (LWP 1439)):
#0  0x00007f0dd19323f9 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18edb7d in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x14a1e40) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 28 (Thread 0x7f0daaffe700 (LWP 1440)):
#0  0x00007f0dd4db350d in read () from /usr/lib/libc.so.6
#1  0x00007f0dd1930f60 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18ed72c in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edc20 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x217dc20) at qml/ftw/qqmlthread.cpp:141
#9  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 27 (Thread 0x7f0da9ffd700 (LWP 1443)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2297560) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 26 (Thread 0x7f0da8f6c700 (LWP 1444)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2359200) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 25 (Thread 0x7f0d9b7ff700 (LWP 1445)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x245c8c0) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 24 (Thread 0x7f0d9a7fe700 (LWP 1448)):
#0  0x00007f0dd19323f9 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18edc3e in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2546920) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 23 (Thread 0x7f0d997fd700 (LWP 1449)):
#0  0x00007f0dd19323f9 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18ecbb0 in g_main_context_acquire () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edb35 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x26335f0) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 22 (Thread 0x7f0d87fff700 (LWP 1452)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x272b060) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 21 (Thread 0x7f0d86ffe700 (LWP 1455)):
#0  0x00007f0dd19323f9 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18ed1c9 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edba8 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x281c850) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 20 (Thread 0x7f0d85ffd700 (LWP 1458)):
#0  0x00007f0dd18ed60a in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18edc20 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2948cd0) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 19 (Thread 0x7f0d84ffc700 (LWP 1459)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2a07080) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 18 (Thread 0x7f0d777ff700 (LWP 1460)):
#0  0x00007f0dd5425440 in QMutex::lock() () from /usr/lib/libQt5Core.so.5
#1  0x00007f0dd567076b in ?? () from /usr/lib/libQt5Core.so.5
#2  0x00007f0dd18ed1bd in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edba8 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2b2cf40) at qml/ftw/qqmlthread.cpp:141
#9  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 17 (Thread 0x7f0d767fe700 (LWP 1461)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2befd40) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 16 (Thread 0x7f0d757fd700 (LWP 1462)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2ce4be0) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 15 (Thread 0x7f0d63fff700 (LWP 1463)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2e15c20) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 14 (Thread 0x7f0d62ffe700 (LWP 1464)):
#0  0x00007f0dd43b39af in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007f0dd9a73684 in ?? () from /usr/lib/libQt5Script.so.5
#2  0x00007f0dd9a736c9 in ?? () from /usr/lib/libQt5Script.so.5
#3  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 13 (Thread 0x7f0d627fd700 (LWP 1465)):
#0  0x00007f0dd1932414 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18ed7ea in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edce0 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x2ed35a0) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 12 (Thread 0x7f0d60958700 (LWP 1513)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x3606500) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 11 (Thread 0x7f0cd2f3a700 (LWP 1514)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7f4aba6 in QQuickPixmapReader::run (this=0x3739ad0) at util/qquickpixmapcache.cpp:712
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 10 (Thread 0x7f0cd14b2700 (LWP 1517)):
#0  0x00007f0dd19323f9 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18edd78 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#3  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x3884b20) at qml/ftw/qqmlthread.cpp:141
#6  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 9 (Thread 0x7f0cc3fff700 (LWP 1518)):
#0  0x00007f0dd19323f9 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18eccf8 in g_main_context_release () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edc36 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd7f4aba6 in QQuickPixmapReader::run (this=0x39fc970) at util/qquickpixmapcache.cpp:712
#8  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7f0cc11fe700 (LWP 1521)):
#0  0x00007f0dd4db350d in read () from /usr/lib/libc.so.6
#1  0x00007f0dd1930f60 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18ed72c in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edc20 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x3a0e5e0) at qml/ftw/qqmlthread.cpp:141
#9  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7f0cb948d700 (LWP 1523)):
#0  0x00007f0dd4db74ed in poll () from /usr/lib/libc.so.6
#1  0x00007f0dd18edc7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x67717e0) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7f0caffff700 (LWP 1524)):
#0  0x00007f0dd19323f9 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18ed7d6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edce0 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x68694a0) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7f0caeffe700 (LWP 1525)):
#0  0x00007f0dd4db350d in read () from /usr/lib/libc.so.6
#1  0x00007f0dd1930f60 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18ed72c in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edc20 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x693f050) at qml/ftw/qqmlthread.cpp:141
#9  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f0cadffd700 (LWP 1526)):
#0  0x00007f0dd18eacb6 in ?? () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18ed15b in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edba8 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x6a43610) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f0cacffc700 (LWP 1527)):
#0  0x00007f0dd18eac9a in ?? () from /usr/lib/libglib-2.0.so.0
#1  0x00007f0dd18ed15b in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18edba8 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f0c9eab6700 (LWP 1573)):
#0  0x00007f0dd4db350d in read () from /usr/lib/libc.so.6
#1  0x00007f0dd1930f60 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0dd18ed72c in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0dd18edc20 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0x00007f0dd56711cc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6  0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#7  0x00007f0dd54285d4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007f0dd7cf27d5 in QQmlThreadPrivate::run (this=0x6be07a0) at qml/ftw/qqmlthread.cpp:141
#9  0x00007f0dd542d56e in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007f0dd43ae374 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f0dd4dc027d in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f0dc6f3b7c0 (LWP 1376)):
[KCrash Handler]
#5  0x0000000000000070 in ?? ()
#6  0x00007f0dd7f950f8 in QSGOpaqueTextureMaterial::setTexture (this=this@entry=0x71b1858, texture=texture@entry=0x7301ae0) at scenegraph/util/qsgtexturematerial.cpp:195
#7  0x00007f0dd7f9480c in QSGSimpleTextureNode::setTexture (this=0x71b1720, texture=0x7301ae0) at scenegraph/util/qsgsimpletexturenode.cpp:187
#8  0x00007f0dbd5c38ef in ?? () from /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#9  0x00007f0dd7fe79ef in QQuickWindowPrivate::updateDirtyNode (this=this@entry=0x4f963c0, item=item@entry=0x601be30) at items/qquickwindow.cpp:2821
#10 0x00007f0dd7fe89eb in QQuickWindowPrivate::updateDirtyNodes (this=this@entry=0x4f963c0) at items/qquickwindow.cpp:2646
#11 0x00007f0dd7fe9290 in QQuickWindowPrivate::syncSceneGraph (this=0x4f963c0) at items/qquickwindow.cpp:338
#12 0x00007f0dd7fb8765 in QSGGuiThreadRenderLoop::renderWindow (this=0x1925a80, window=0x5b7a8d0) at scenegraph/qsgrenderloop.cpp:364
#13 0x00007f0dd7fb91d1 in QSGGuiThreadRenderLoop::event (this=0x1925a80, e=<optimized out>) at scenegraph/qsgrenderloop.cpp:467
#14 0x00007f0dd610facc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#15 0x00007f0dd6114f10 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#16 0x00007f0dd5618dbb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#17 0x00007f0dd56700ad in QTimerInfoList::activateTimers() () from /usr/lib/libQt5Core.so.5
#18 0x00007f0dd56704f1 in ?? () from /usr/lib/libQt5Core.so.5
#19 0x00007f0dd18ed9fd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#20 0x00007f0dd18edce0 in ?? () from /usr/lib/libglib-2.0.so.0
#21 0x00007f0dd18edd8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#22 0x00007f0dd56711b7 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#23 0x00007f0dd5616852 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#24 0x00007f0dd561e22c in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#25 0x000000000042e78b in main ()

Possible duplicates by query: bug 346478, bug 345875.

Reported using DrKonqi