Application: plasmashell (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-18-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
This seems to be related to either the installation of Synergy, or changing to a different default theme.

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 0x7f8b6e3d97c0 (LWP 2737))]

Thread 35 (Thread 0x7f8b58206700 (LWP 2739)):
#0  0x00007f8b691848dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8b6b6f1b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8b6b6f364f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8b5ad95099 in QXcbEventReader::run (this=0x1fd2eb0) at qxcbconnection.cpp:1105
#4  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x1fd2eb0) at thread/qthread_unix.cpp:337
#5  0x00007f8b68a0b6aa in start_thread (arg=0x7f8b58206700) at pthread_create.c:333
#6  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f8b55f2a700 (LWP 2741)):
#0  0x00007f8b658d57a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890d6d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8b480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8b55f29de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x20d1030) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8b55f2a700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f8b46fe6700 (LWP 2744)):
#0  0x00007f8b6589093b in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8b400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8b46fe5de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x248ded0) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8b46fe6700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f8b44d86700 (LWP 2748)):
#0  0x00007f8b658d5789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890fb8 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8b3c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#3  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8b44d85de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x26b2a30) at thread/qthread_unix.cpp:337
#7  0x00007f8b68a0b6aa in start_thread (arg=0x7f8b44d86700) at pthread_create.c:333
#8  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f8b377ff700 (LWP 2749)):
#0  0x00007f8b658d5789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b6589073e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8b300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8b377fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x27a7cf0) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8b377ff700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f8b367fe700 (LWP 2750)):
#0  0x00007f8b6918049d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8b61e50f45 in ?? () from /usr/lib/nvidia-346/tls/libnvidia-tls.so.346.72
#2  0x00007f8b658d42f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b6589096c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8b280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8b367fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f8b69805b0e in QThreadPrivate::start (arg=0x2872a50) at thread/qthread_unix.cpp:337
#11 0x00007f8b68a0b6aa in start_thread (arg=0x7f8b367fe700) at pthread_create.c:333
#12 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f8b357fd700 (LWP 2751)):
#0  0x00007f8b6918049d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8b61e50f45 in ?? () from /usr/lib/nvidia-346/tls/libnvidia-tls.so.346.72
#2  0x00007f8b658d42f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b6589096c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8b2c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8b357fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f8b69805b0e in QThreadPrivate::start (arg=0x295d920) at thread/qthread_unix.cpp:337
#11 0x00007f8b68a0b6aa in start_thread (arg=0x7f8b357fd700) at pthread_create.c:333
#12 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f8b27fff700 (LWP 2752)):
#0  0x00007f8b691848dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8b65890ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8b200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8b27ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x2a5a520) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8b27fff700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f8b26ffe700 (LWP 2753)):
#0  0x00007f8b691848dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8b65890ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8b180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8b26ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x2b5b770) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8b26ffe700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f8b25ffd700 (LWP 2754)):
#0  0x00007f8b691848dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8b65890ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8b1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8b25ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x2c71510) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8b25ffd700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f8b24df4700 (LWP 2755)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8b6d50f644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f8b6d50f689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f8b68a0b6aa in start_thread (arg=0x7f8b24df4700) at pthread_create.c:333
#4  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f8a97fff700 (LWP 2756)):
#0  idleTimerSourcePrepare (source=0x7f8a90003000, timeout=0x7f8a97ffec14) at kernel/qeventdispatcher_glib.cpp:197
#1  0x00007f8b658903fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a97ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x2d33fb0) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a97fff700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f8a96ae0700 (LWP 2757)):
#0  0x00007ffda7ef0a01 in clock_gettime ()
#1  0x00007f8b6919e38d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f8b698bbcb6 in qt_clock_gettime (ts=0x7f8a96adfb40, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#5  0x00007f8b69a9a639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f8a880028d0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f8b69a9aba5 in QTimerInfoList::timerWait (this=0x7f8a880028d0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f8b69a9c03e in timerSourcePrepareHelper (timeout=0x7f8a96adfc14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f8a96adfc14) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f8b658903fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f8b65890de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a96adfde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f8b69805b0e in QThreadPrivate::start (arg=0x2edf850) at thread/qthread_unix.cpp:337
#17 0x00007f8b68a0b6aa in start_thread (arg=0x7f8a96ae0700) at pthread_create.c:333
#18 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f8a9522a700 (LWP 2758)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8b69806c6b in wait (time=18446744073709551615, this=0x307f810) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x307e020, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f8b6e0eafab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f8b6e0eb3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x307dfa0) at thread/qthread_unix.cpp:337
#6  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a9522a700) at pthread_create.c:333
#7  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f8a863fe700 (LWP 2759)):
#0  0x00007f8b6588ded7 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b658907ef in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a863fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x20befe0) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a863fe700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f8a7ef40700 (LWP 2760)):
#0  0x00007f8b658d57a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890852 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a7ef3fde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x366bba0) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a7ef40700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f8a7de3d700 (LWP 2761)):
#0  0x00007f8b6588df98 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b658907ef in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a7de3cde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x3833980) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a7de3d700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f8a7cd3a700 (LWP 2762)):
#0  0x00007f8b691848dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8b65890ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a7cd39de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x394cc00) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a7cd3a700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f8a6f7ff700 (LWP 2763)):
#0  0x00007f8b658d57a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b658908b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a6f7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x3a1f340) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a6f7ff700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f8a6e7fe700 (LWP 2764)):
#0  0x00007f8b658d5789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a6e7fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x3af9370) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a6e7fe700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f8a6d7fd700 (LWP 2765)):
#0  0x00007f8b691848dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8b65890ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a6d7fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x3bf5210) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a6d7fd700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f8a5ffff700 (LWP 2766)):
#0  0x00007f8b69a9bff3 in timerSourcePrepare (source=<optimized out>, timeout=0x7f8a5fffec14) at kernel/qeventdispatcher_glib.cpp:161
#1  0x00007f8b658903fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a5fffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x3cde090) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a5ffff700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f8a5effe700 (LWP 2767)):
#0  0x00007f8b658907d9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a5effdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x3dd5310) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a5effe700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f8a5dffd700 (LWP 2768)):
#0  0x00007f8b658d57b0 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b658903f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a540008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a5dffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x3ec8670) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a5dffd700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f8a5cffc700 (LWP 2769)):
#0  0x00007f8b61e50ee8 in ?? () from /usr/lib/nvidia-346/tls/libnvidia-tls.so.346.72
#1  0x00007f8b658d42f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b6589096c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a5cffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x3fb63f0) at thread/qthread_unix.cpp:337
#10 0x00007f8b68a0b6aa in start_thread (arg=0x7f8a5cffc700) at pthread_create.c:333
#11 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f8a4f7ff700 (LWP 2770)):
#0  0x00007f8b658908b1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a4f7fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x40a6800) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a4f7ff700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f8a4e7fe700 (LWP 2771)):
#0  0x00007f8b658d5798 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890409 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a3c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a4e7fdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x4197ce0) at thread/qthread_unix.cpp:337
#9  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a4e7fe700) at pthread_create.c:333
#10 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f8a4d7fd700 (LWP 2772)):
#0  0x00007f8b61e50eca in ?? () from /usr/lib/nvidia-346/tls/libnvidia-tls.so.346.72
#1  0x00007f8b658d42f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b6589096c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b65890e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a400008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a4d7fcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x42b5900) at thread/qthread_unix.cpp:337
#10 0x00007f8b68a0b6aa in start_thread (arg=0x7f8a4d7fd700) at pthread_create.c:333
#11 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f8a3bfff700 (LWP 2773)):
#0  0x00007f8b658d5798 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890dbd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a3bffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x4377540) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a3bfff700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f8a332c2700 (LWP 2774)):
#0  0x00007f8b65890390 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a2c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a332c1dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8a396b5cf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x48a9d20) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a332c2700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f8a324af700 (LWP 2775)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8b69806c6b in wait (time=18446744073709551615, this=0x4a525e0) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4a424b0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f8b6e0eafab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f8b6e0eb3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x4a42430) at thread/qthread_unix.cpp:337
#6  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a324af700) at pthread_create.c:333
#7  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f8a3161a700 (LWP 2776)):
#0  0x00007f8b65890404 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8b65890de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a31619de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x4c08b30) at thread/qthread_unix.cpp:337
#8  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a3161a700) at pthread_create.c:333
#9  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f8a23fff700 (LWP 2777)):
#0  0x00007f8b6919e37b in __GI___clock_gettime (clock_id=1, tp=0x7f8a23ffeb40) at ../sysdeps/unix/clock_gettime.c:115
#1  0x00007f8b698bbcb6 in qt_clock_gettime (ts=0x7f8a23ffeb40, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#2  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#4  0x00007f8b69a9a639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f8a1c002ad0) at kernel/qtimerinfo_unix.cpp:84
#5  0x00007f8b69a9aba5 in QTimerInfoList::timerWait (this=0x7f8a1c002ad0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#6  0x00007f8b69a9c03e in timerSourcePrepareHelper (timeout=0x7f8a23ffec14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#7  timerSourcePrepare (source=<optimized out>, timeout=0x7f8a23ffec14) at kernel/qeventdispatcher_glib.cpp:160
#8  0x00007f8b658903fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f8b65890de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f8b69a9cc6c in QEventDispatcherGlib::processEvents (this=0x7f8a1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7f8a23ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f8b69800b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f8b6b58ef65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f8b69805b0e in QThreadPrivate::start (arg=0x4cc7350) at thread/qthread_unix.cpp:337
#16 0x00007f8b68a0b6aa in start_thread (arg=0x7f8a23fff700) at pthread_create.c:333
#17 0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f8a1b5ef700 (LWP 2778)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8b69806c6b in wait (time=18446744073709551615, this=0x54ccc70) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x5476d40, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f8b6e0eafab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f8b6e0eb3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f8b69805b0e in QThreadPrivate::start (arg=0x5476cc0) at thread/qthread_unix.cpp:337
#6  0x00007f8b68a0b6aa in start_thread (arg=0x7f8a1b5ef700) at pthread_create.c:333
#7  0x00007f8b6918feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8b6e3d97c0 (LWP 2737)):
[KCrash Handler]
#6  operator& (f=Qt::WindowType_Mask, this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  windowType (this=<optimized out>) at ../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:744
#8  isWindow (this=<optimized out>) at ../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:752
#9  QWidget::window (this=0x0) at kernel/qwidget.cpp:4279
#10 0x00007f8b67810fd5 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5
#11 0x00007f8b677f5b6f in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5
#12 0x00007f8b677f42d8 in KNotification::sendEvent() () from /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5
#13 0x00007f8b69a7573a in QObject::event (this=0x331e850, e=<optimized out>) at kernel/qobject.cpp:1245
#14 0x00007f8b6a34db2c in QApplicationPrivate::notify_helper (this=0x1fa71c0, receiver=0x331e850, e=0x4e68320) at kernel/qapplication.cpp:3720
#15 0x00007f8b6a353000 in QApplication::notify (this=0x7ffda7e99b50, receiver=0x331e850, e=0x4e68320) at kernel/qapplication.cpp:3503
#16 0x00007f8b69a43c2b in QCoreApplication::notifyInternal (this=0x7ffda7e99b50, receiver=0x331e850, event=event@entry=0x4e68320) at kernel/qcoreapplication.cpp:935
#17 0x00007f8b69a45c9b in sendEvent (event=0x4e68320, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1f9cbd0) at kernel/qcoreapplication.cpp:1552
#19 0x00007f8b69a46298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#20 0x00007f8b69a9c843 in postEventSourceDispatch (s=0x1ff0700) at kernel/qeventdispatcher_glib.cpp:271
#21 0x00007f8b65890c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f8b65890f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f8b65890fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f8b69a9cc57 in QEventDispatcherGlib::processEvents (this=0x1ff0780, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#25 0x00007f8b69a413e2 in QEventLoop::exec (this=this@entry=0x7ffda7e999d0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#26 0x00007f8b69a4902c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#27 0x000000000042fd9b in main ()

Possible duplicates by query: bug 348820, bug 348092, bug 348091, bug 348020, bug 347969.

Reported using DrKonqi