Application: plasmashell (5.3.1)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-21-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
I was just openeing Steam from the desktop when everything crashed and restarted.

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 0x7f70c3f747c0 (LWP 2695))]

Thread 33 (Thread 0x7f70ade27700 (LWP 2696)):
#0  0x00007f70beaa38dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c1259b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f70c125b64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f70b0a3b099 in QXcbEventReader::run (this=0x1644360) at qxcbconnection.cpp:1105
#4  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x1644360) at thread/qthread_unix.cpp:337
#5  0x00007f70be3276aa in start_thread (arg=0x7f70ade27700) at pthread_create.c:333
#6  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f70a75ef700 (LWP 2699)):
#0  0x00007f70bb3be789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb379a16 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f70a00008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f70a75eede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x175fc30) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f70a75ef700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f709cedf700 (LWP 2709)):
#0  0x00007f70bb3be7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb3798b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f70980008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f709cedede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x1aaa0d0) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f709cedf700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f7096757700 (LWP 2725)):
#0  0x00007f70bb3be798 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb379dbd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f70880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f7096756de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x19efab0) at thread/qthread_unix.cpp:337
#8  0x00007f70be3276aa in start_thread (arg=0x7f7096757700) at pthread_create.c:333
#9  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f70956b6700 (LWP 2726)):
#0  0x00007ffcb19f2d18 in clock_gettime ()
#1  0x00007f70beabd38d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f70bf1e1cb6 in qt_clock_gettime (ts=0x7f70956b5b40, 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  0x00007f70bf3c0639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f708c002cd0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f70bf3c0ba5 in QTimerInfoList::timerWait (this=0x7f708c002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f70bf3c203e in timerSourcePrepareHelper (timeout=0x7f70956b5c14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f70956b5c14) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f70bb3793fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f70bb379de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f708c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f70956b5de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x1ac0740) at thread/qthread_unix.cpp:337
#17 0x00007f70be3276aa in start_thread (arg=0x7f70956b6700) at pthread_create.c:333
#18 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f7087fff700 (LWP 2729)):
#0  0x00007ffcb19f2d13 in clock_gettime ()
#1  0x00007f70beabd38d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f70bf1e1cb6 in qt_clock_gettime (ts=0x7f7087ffeb40, 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  0x00007f70bf3c0639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f70800030d0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f70bf3c0ba5 in QTimerInfoList::timerWait (this=0x7f70800030d0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f70bf3c203e in timerSourcePrepareHelper (timeout=0x7f7087ffec14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f7087ffec14) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f70bb3793fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f70bb379de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f70800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f7087ffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x1fe9020) at thread/qthread_unix.cpp:337
#17 0x00007f70be3276aa in start_thread (arg=0x7f7087fff700) at pthread_create.c:333
#18 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f7086ffe700 (LWP 2730)):
#0  0x00007f70bf3c2254 in idleTimerSourceCheck (source=0x7f7078002d20) at kernel/qeventdispatcher_glib.cpp:211
#1  0x00007f70bb3798c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f70780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f7086ffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x20fe2c0) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f7086ffe700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f7085ffd700 (LWP 2731)):
#0  0x00007f70bf1239ca in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x21ca988: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x21ca988: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  testAndSetAcquire (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=0x21ca988, this@entry=0x1) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  fastTryLock (current=<synthetic pointer>, this=0x21ca988, this@entry=0x1) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x21ca988) at thread/qmutex.cpp:212
#5  0x00007f70bf3c21db in QMutexLocker (m=0x21ca988, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  canWaitLocked (this=0x21ca960) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  postEventSourcePrepare (s=0x7f707c0012d0, timeout=0x7f7085ffcc14) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007f70bb3793fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f70bb379de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f707c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#12 0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f7085ffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#13 0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#14 0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x21c9d20) at thread/qthread_unix.cpp:337
#16 0x00007f70be3276aa in start_thread (arg=0x7f7085ffd700) at pthread_create.c:333
#17 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f7084ffc700 (LWP 2732)):
#0  0x00007f70bea9f49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70b7919f75 in ?? () from /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.352.21
#2  0x00007f70bb3bd2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb37996c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f70700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f7084ffbde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x22cc270) at thread/qthread_unix.cpp:337
#11 0x00007f70be3276aa in start_thread (arg=0x7f7084ffc700) at pthread_create.c:333
#12 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f70777ff700 (LWP 2733)):
#0  0x00007f70bb3be7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb3798b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f706c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f70777fede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x23b9bf0) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f70777ff700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f70765ef700 (LWP 2734)):
#0  0x00007f70bb3be789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb37973e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f70640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f70765eede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x24cb540) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f70765ef700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f70755ee700 (LWP 2735)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70c30a5644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f70c30a5689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f70be3276aa in start_thread (arg=0x7f70755ee700) at pthread_create.c:333
#4  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f7074ded700 (LWP 2736)):
#0  0x00007f70bb3be789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb3798cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f70680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f7074decde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x25c2cc0) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f7074ded700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f6fe17df700 (LWP 2740)):
#0  0x00007ffcb19f2d16 in clock_gettime ()
#1  0x00007f70beabd38d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f70bf1e1cb6 in qt_clock_gettime (ts=0x7f6fe17deb40, 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  0x00007f70bf3c0639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f6fdc0030d0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f70bf3c0ba5 in QTimerInfoList::timerWait (this=0x7f6fdc0030d0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f70bf3c203e in timerSourcePrepareHelper (timeout=0x7f6fe17dec14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f6fe17dec14) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f70bb3793fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f70bb379de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6fdc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fe17dede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x29134d0) at thread/qthread_unix.cpp:337
#17 0x00007f70be3276aa in start_thread (arg=0x7f6fe17df700) at pthread_create.c:333
#18 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f6fdbdf7700 (LWP 2741)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:98
#1  0x00007f70bea9f4a9 in read () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f70b7919f75 in ?? () from /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.352.21
#3  0x00007f70bb3bd2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bb37996c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6fd40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#8  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fdbdf6d90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#10 0x00007f70c3c28b56 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x22c23d0) at thread/qthread_unix.cpp:337
#12 0x00007f70be3276aa in start_thread (arg=0x7f6fdbdf7700) at pthread_create.c:333
#13 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f6fdae0c700 (LWP 2745)):
#0  0x00007f70bea9f49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70b7919f75 in ?? () from /usr/lib/x86_64-linux-gnu/tls/libnvidia-tls.so.352.21
#2  0x00007f70bb3bd2f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb37996c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6fcc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#7  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fdae0bde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x2a61540) at thread/qthread_unix.cpp:337
#11 0x00007f70be3276aa in start_thread (arg=0x7f6fdae0c700) at pthread_create.c:333
#12 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f6fd39b7700 (LWP 2791)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:65
#1  0x00007f70beaa38d2 in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0x00007f70bb379ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6fc80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fd39b6de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x1614e90) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f6fd39b7700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f6fd29b6700 (LWP 2793)):
#0  0x00007f70bf1239ca in testAndSetRelaxed<QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x2f53488: 0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86.h:259
#1  testAndSetAcquire<QMutexData*, QMutexData*> (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x2f53488: 0x1) at ../../include/QtCore/../../src/corelib/thread/qgenericatomic.h:166
#2  testAndSetAcquire (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, this=0x2f53488, this@entry=0x29) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:270
#3  fastTryLock (current=<synthetic pointer>, this=0x2f53488, this@entry=0x29) at thread/qmutex.h:82
#4  QMutex::lock (this=this@entry=0x2f53488) at thread/qmutex.cpp:212
#5  0x00007f70bf3c25a9 in QMutexLocker (m=0x2f53488, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#6  canWaitLocked (this=0x2f53460) at ../../include/QtCore/5.4.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:243
#7  postEventSourcePrepare (timeout=<synthetic pointer>, s=0x7f6fc00012d0) at kernel/qeventdispatcher_glib.cpp:254
#8  postEventSourceCheck (source=0x7f6fc00012d0) at kernel/qeventdispatcher_glib.cpp:264
#9  0x00007f70bb3798c1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6fc00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fd29b5de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x2f15fa0) at thread/qthread_unix.cpp:337
#17 0x00007f70be3276aa in start_thread (arg=0x7f6fd29b6700) at pthread_create.c:333
#18 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f6fd18c5700 (LWP 2794)):
#0  0x00007ffcb19f2d13 in clock_gettime ()
#1  0x00007f70beabd38d in __GI___clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f70bf1e1cb6 in qt_clock_gettime (ts=0x7f6fd18c4b40, 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  0x00007f70bf3c0639 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f6fc4002ad0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007f70bf3c0ba5 in QTimerInfoList::timerWait (this=0x7f6fc4002ad0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#7  0x00007f70bf3c203e in timerSourcePrepareHelper (timeout=0x7f6fd18c4c14, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7f6fd18c4c14) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007f70bb3793fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f70bb379de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6fc40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#13 0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fd18c4de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x300d070) at thread/qthread_unix.cpp:337
#17 0x00007f70be3276aa in start_thread (arg=0x7f6fd18c5700) at pthread_create.c:333
#18 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f6fbffff700 (LWP 2795)):
#0  0x00007f70bb3be789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb379a16 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6fb80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fbfffede0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x311a540) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f6fbffff700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f6fbeffe700 (LWP 2796)):
#0  0x00007f70bb3be7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb3798b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6fb00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fbeffdde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x3204850) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f6fbeffe700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f6fbdffd700 (LWP 2797)):
#0  0x00007f70bb3be789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb3798cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6fb40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fbdffcde0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x3339230) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f6fbdffd700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f6fbcffc700 (LWP 2801)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70bf12cc6b in wait (time=18446744073709551615, this=0x2e39d50) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2e2f460, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f70c3c9afab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f70c3c9b3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x2e2f3e0) at thread/qthread_unix.cpp:337
#6  0x00007f70be3276aa in start_thread (arg=0x7f6fbcffc700) at pthread_create.c:333
#7  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f6faddeb700 (LWP 2809)):
#0  0x00007f70beaa38dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70c1259b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f70c125a191 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f70c125a211 in xcb_writev () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f70c14ac11e in _XSend () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#5  0x00007f70c14ac475 in _XFlush () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#6  0x00007f70c148ebfa in XFlush () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#7  0x00007f70b0a62312 in QGLXContext::swapBuffers (this=0x2d8ef40, surface=0x2b4d260) at qglxintegration.cpp:529
#8  0x00007f70bf6f9496 in QOpenGLContext::swapBuffers (this=0x2d614d0, surface=<optimized out>) at kernel/qopenglcontext.cpp:990
#9  0x00007f70c3c999ac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f70c3c9b360 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x2de41c0) at thread/qthread_unix.cpp:337
#12 0x00007f70be3276aa in start_thread (arg=0x7f6faddeb700) at pthread_create.c:333
#13 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f6fa0c87700 (LWP 2846)):
#0  0x00007f70beaa38dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70bb379ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6f9c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6fa0c86dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f6fa2f27cf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x3b4c670) at thread/qthread_unix.cpp:337
#8  0x00007f70be3276aa in start_thread (arg=0x7f6fa0c87700) at pthread_create.c:333
#9  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f6f9bdf7700 (LWP 2858)):
#0  0x00007f70bb3be789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb3798cc in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6f940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6f9bdf6de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x279d1b0) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f6f9bdf7700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f6f9adf6700 (LWP 2859)):
#0  0x00007f70bb3be7a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f70bb3798b9 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6f8c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6f9adf5de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x3e354b0) at thread/qthread_unix.cpp:337
#9  0x00007f70be3276aa in start_thread (arg=0x7f6f9adf6700) at pthread_create.c:333
#10 0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f6f99df5700 (LWP 2860)):
#0  0x00007f70beaa38dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70bb379ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6f900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6f99df4de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x3f27fa0) at thread/qthread_unix.cpp:337
#8  0x00007f70be3276aa in start_thread (arg=0x7f6f99df5700) at pthread_create.c:333
#9  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f6f88ad6700 (LWP 2917)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70bf12cc6b in wait (time=18446744073709551615, this=0x48d8610) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x48d8340, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f70c3c9afab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f70c3c9b3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x48d82c0) at thread/qthread_unix.cpp:337
#6  0x00007f70be3276aa in start_thread (arg=0x7f6f88ad6700) at pthread_create.c:333
#7  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f6f892d7700 (LWP 2926)):
#0  0x00007f70beaa38dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f70bb379ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f70bf3c2c6c in QEventDispatcherGlib::processEvents (this=0x7f6f840013d0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7f6f892d6de0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f70bf126b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f70c0ec9f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x43cc000) at thread/qthread_unix.cpp:337
#8  0x00007f70be3276aa in start_thread (arg=0x7f6f892d7700) at pthread_create.c:333
#9  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6f83057700 (LWP 2928)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70bf12cc6b in wait (time=18446744073709551615, this=0x4b5e020) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x4b5e000, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f70c3c9afab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f70c3c9b3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x4b5df80) at thread/qthread_unix.cpp:337
#6  0x00007f70be3276aa in start_thread (arg=0x7f6f83057700) at pthread_create.c:333
#7  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f6f775ef700 (LWP 4820)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f70bf12cc6b in wait (time=18446744073709551615, this=0x4f70e00) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x5815cb0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f70c3c9afab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f70c3c9b3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f70bf12bb0e in QThreadPrivate::start (arg=0x5815c30) at thread/qthread_unix.cpp:337
#6  0x00007f70be3276aa in start_thread (arg=0x7f6f775ef700) at pthread_create.c:333
#7  0x00007f70beaaeeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f70c3f747c0 (LWP 2695)):
[KCrash Handler]
#6  QWidgetPrivate::nearestGraphicsProxyWidget (origin=origin@entry=0x54a2320) at kernel/qwidget.cpp:5822
#7  0x00007f70bfcd3d15 in screenGeometry (widget=0x54a2320) at ../../include/QtWidgets/5.4.1/QtWidgets/private/../../../../../src/widgets/kernel/qwidget_p.h:527
#8  QDesktopWidget::screenGeometry (this=0x24ba4e0, widget=widget@entry=0x54a2320) at kernel/qdesktopwidget.cpp:49
#9  0x00007f70bfdf69b0 in QMenuPrivate::popupGeometry (this=<optimized out>, widget=0x54a2320) at widgets/qmenu.cpp:203
#10 0x00007f70bfdf9f51 in QMenuPrivate::updateActionRects (this=this@entry=0x52ab2a0) at widgets/qmenu.cpp:238
#11 0x00007f70bfdfadae in QMenu::popup (this=this@entry=0x55cf220, p=..., atAction=atAction@entry=0x0) at widgets/qmenu.cpp:1900
#12 0x00007f6fd837c23a in SystemTray::DBusSystemTrayTask::_onContextMenu (this=<optimized out>, job=<optimized out>) at ../../../../applets/systemtray/plugin/protocols/dbussystemtray/dbussystemtraytask.cpp:247
#13 0x00007f6fd8388d34 in SystemTray::DBusSystemTrayTask::qt_static_metacall (_o=0x42d9cd0, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at moc_dbussystemtraytask.cpp:217
#14 0x00007f70bf39a9c9 in QMetaObject::activate (sender=0x49d47c0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffcb18a1260) at kernel/qobject.cpp:3716
#15 0x00007f70c1f1f2b2 in KJob::result(KJob*, KJob::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#16 0x00007f70c1f1fdba in KJob::emitResult() () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#17 0x00007f70c346353a in Plasma::ServiceJob::setResult (this=<optimized out>, result=...) at ../../../src/plasma/servicejob.cpp:94
#18 0x00007f6fd39c9e89 in StatusNotifierItemJob::contextMenuReady (this=0x49d47c0, menu=0x55cf220) at ../../../dataengines/statusnotifieritem/statusnotifieritemjob.cpp:53
#19 0x00007f6fd39cf62c in StatusNotifierItemJob::qt_static_metacall (_o=0x54a2320, _c=88744736, _id=977, _a=0x0) at moc_statusnotifieritemjob.cpp:71
#20 0x00007f70bf39a9c9 in QMetaObject::activate (sender=0x56287f0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffcb18a1470) at kernel/qobject.cpp:3716
#21 0x00007f70bf39b057 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f6fd3bd8c40 <StatusNotifierItemSource::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffcb18a1470) at kernel/qobject.cpp:3582
#22 0x00007f6fd39cf12f in StatusNotifierItemSource::contextMenuReady (this=<optimized out>, _t1=0x55cf220) at moc_statusnotifieritemsource.cpp:183
#23 0x00007f6fd39cf355 in StatusNotifierItemSource::qt_static_metacall (_o=0x54a2320, _c=88744736, _id=977, _a=0x0) at moc_statusnotifieritemsource.cpp:103
#24 0x00007f70bf39a9c9 in QMetaObject::activate (sender=0x42d9c90, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3716
#25 0x00007f70b8ae6f4c in DBusMenuImporter::slotMenuAboutToShow() () from /usr/lib/x86_64-linux-gnu/libdbusmenu-qt5.so.2
#26 0x00007f70bf39a9c9 in QMetaObject::activate (sender=0x55cf220, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3716
#27 0x00007f70bfdfe8ad in _q_platformMenuAboutToShow (this=<optimized out>) at widgets/qmenu.cpp:1150
#28 QMenu::qt_static_metacall (_o=0x54a2320, _o@entry=0x55cf220, _c=88744736, _c@entry=QMetaObject::InvokeMetaMethod, _id=977, _id@entry=0, _a=0x0, _a@entry=0x7ffcb18a1b20) at .moc/moc_qmenu.cpp:128
#29 0x00007f70bf3736fa in QMetaMethod::invoke (this=this@entry=0x7ffcb18a1d08, object=object@entry=0x55cf220, connectionType=Qt::DirectConnection, connectionType@entry=2978618768, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:2183
#30 0x00007f70bf378635 in QMetaObject::invokeMethod (obj=0x55cf220, member=0x7f70b8aee21f "aboutToShow", type=2978618768, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1478
#31 0x00007f70b8ae0519 in DBusMenuImporter::updateMenu() () from /usr/lib/x86_64-linux-gnu/libdbusmenu-qt5.so.2
#32 0x00007f6fd39c2505 in StatusNotifierItemSource::contextMenu (this=0x56287f0, x=<optimized out>, y=y@entry=1045) at ../../../dataengines/statusnotifieritem/statusnotifieritemsource.cpp:460
#33 0x00007f6fd39caa03 in StatusNotifierItemJob::start (this=0x49d47c0) at ../../../dataengines/statusnotifieritem/statusnotifieritemjob.cpp:43
#34 0x00007f70bf39b73a in QObject::event (this=0x49d47c0, e=<optimized out>) at kernel/qobject.cpp:1245
#35 0x00007f70bfc7bb2c in QApplicationPrivate::notify_helper (this=0x16186a0, receiver=0x49d47c0, e=0x5262640) at kernel/qapplication.cpp:3720
#36 0x00007f70bfc81000 in QApplication::notify (this=0x7ffcb18a2900, receiver=0x49d47c0, e=0x5262640) at kernel/qapplication.cpp:3503
#37 0x00007f70bf369c2b in QCoreApplication::notifyInternal (this=0x7ffcb18a2900, receiver=0x49d47c0, event=event@entry=0x5262640) at kernel/qcoreapplication.cpp:935
#38 0x00007f70bf36bc9b in sendEvent (event=0x5262640, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x160e0a0) at kernel/qcoreapplication.cpp:1552
#40 0x00007f70bf36c298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#41 0x00007f70bf3c2843 in postEventSourceDispatch (s=0x166ca80) at kernel/qeventdispatcher_glib.cpp:271
#42 0x00007f70bb379c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f70bb379f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f70bb379fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f70bf3c2c57 in QEventDispatcherGlib::processEvents (this=0x166ca60, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#46 0x00007f70bf3673e2 in QEventLoop::exec (this=this@entry=0x7ffcb18a2780, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#47 0x00007f70bf36f02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#48 0x00007f70bf6b331c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#49 0x00007f70bfc777a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#50 0x0000000000430253 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:154

Possible duplicates by query: bug 349144, bug 347655, bug 346812, bug 343971, bug 343622.

Reported using DrKonqi