Application: plasmashell (5.8.7)

Qt Version: 5.6.1
Frameworks Version: 5.36.0
Operating System: Linux 4.4.0-83-generic x86_64
Distribution: Linux Mint 18.1 Serena

-- Information about the crash:
- What I was doing when the application crashed:

See Bug 382625. The situation is the same: after coming back from the suspension, the problem showed up.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f89563ad8c0 (LWP 10676))]

Thread 19 (Thread 0x7f88567fb700 (LWP 14577)):
#0  0x00007f8950219360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f89511306bb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8954416a8d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f8954417365 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f89502136ba in start_thread (arg=0x7f88567fb700) at pthread_create.c:333
#6  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f8856ffc700 (LWP 14486)):
#0  0x00007f8950219360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f89511306bb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8954416a8d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f8954417365 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f89502136ba in start_thread (arg=0x7f8856ffc700) at pthread_create.c:333
#6  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f88577fd700 (LWP 13382)):
#0  0x00007f8950219360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f89511306bb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8954416a8d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f8954417365 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f89502136ba in start_thread (arg=0x7f88577fd700) at pthread_create.c:333
#6  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f8857ffe700 (LWP 13381)):
#0  0x00007f8950a2d24d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f8946645f61 in pa_read () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#2  0x00007f89475efa2e in pa_mainloop_prepare () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f89475f04a0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f89475f0560 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f89475fe7a9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f8946674078 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#7  0x00007f89502136ba in start_thread (arg=0x7f8857ffe700) at pthread_create.c:333
#8  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f88615cf700 (LWP 13380)):
#0  0x00007f894d7a7a79 in g_mutex_lock (mutex=mutex@entry=0x7f8840000990) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gthread-posix.c:1335
#1  0x00007f894d763488 in g_main_context_iteration (context=0x7f8840000990, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3900
#2  0x00007f895135937b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f8951301ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f895112a9e4 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8953a1e6b5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f89502136ba in start_thread (arg=0x7f88615cf700) at pthread_create.c:333
#8  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f886268b700 (LWP 11095)):
#0  0x00007f8950219360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f89511306bb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8954416a8d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f8954417365 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f89502136ba in start_thread (arg=0x7f886268b700) at pthread_create.c:333
#6  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f8863bff700 (LWP 11023)):
#0  0x00007f8950219360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f89511306bb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8954416a8d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f8954417365 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f89502136ba in start_thread (arg=0x7f8863bff700) at pthread_create.c:333
#6  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f88633fe700 (LWP 10736)):
#0  0x00007f8950219360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f89511306bb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8954416a8d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f8954417365 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f89502136ba in start_thread (arg=0x7f88633fe700) at pthread_create.c:333
#6  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f886b48d700 (LWP 10699)):
#0  0x00007f8950219360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f89511306bb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8954416a8d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f8954417365 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f89502136ba in start_thread (arg=0x7f886b48d700) at pthread_create.c:333
#6  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f886bc8e700 (LWP 10698)):
#0  0x00007f8950a2d24d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f894d7a66f0 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7f886bc8dab0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2  0x00007f894d7a66f0 in g_wakeup_acknowledge (wakeup=0x7f888c002750) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gwakeup.c:210
#3  0x00007f894d762e74 in g_main_context_check (context=context@entry=0x7f8864000990, max_priority=2147483647, fds=fds@entry=0x7f88640048c0, n_fds=n_fds@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3632
#4  0x00007f894d763330 in g_main_context_iterate (context=context@entry=0x7f8864000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3837
#5  0x00007f894d76349c in g_main_context_iteration (context=0x7f8864000990, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#6  0x00007f895135937b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8951301ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f895112a9e4 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f886cea5597 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#10 0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f89502136ba in start_thread (arg=0x7f886bc8e700) at pthread_create.c:333
#12 0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f8892ae4700 (LWP 10687)):
[KCrash Handler]
#6  0x00007f88a285c115 in  () at /usr/lib/nvidia-375/libnvidia-glcore.so.375.66
#7  0x00007f88a285f8ca in  () at /usr/lib/nvidia-375/libnvidia-glcore.so.375.66
#8  0x00007f88a2865187 in  () at /usr/lib/nvidia-375/libnvidia-glcore.so.375.66
#9  0x00007f88a24af6ee in  () at /usr/lib/nvidia-375/libnvidia-glcore.so.375.66
#10 0x00007f88a24b1796 in  () at /usr/lib/nvidia-375/libnvidia-glcore.so.375.66
#11 0x00007f89543cfa6f in QSGBatchRenderer::Renderer::unmap(QSGBatchRenderer::Buffer*, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f89543d17e5 in QSGBatchRenderer::Renderer::uploadBatch(QSGBatchRenderer::Batch*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f89543dbf5e in QSGBatchRenderer::Renderer::render() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f89543e7d3f in QSGRenderer::renderScene(QSGBindable const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f89543e858b in QSGRenderer::renderScene(unsigned int) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f89543f883e in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f895443ff79 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f8954411c9a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f895441723c in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f89502136ba in start_thread (arg=0x7f8892ae4700) at pthread_create.c:333
#22 0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f889980e700 (LWP 10686)):
#0  0x00007f894d7a7a94 in g_mutex_unlock (mutex=0x7f8894000990) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gthread-posix.c:1347
#1  0x00007f894d763346 in g_main_context_iterate (context=context@entry=0x7f8894000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3842
#2  0x00007f894d76349c in g_main_context_iteration (context=0x7f8894000990, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#3  0x00007f895135937b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f8951301ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f895112a9e4 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f89543a57d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f89502136ba in start_thread (arg=0x7f889980e700) at pthread_create.c:333
#9  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f8923fff700 (LWP 10685)):
#0  0x00007f8950219360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8955e0c574 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f8955e0c5b9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f89502136ba in start_thread (arg=0x7f8923fff700) at pthread_create.c:333
#4  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f892d16d700 (LWP 10684)):
#0  0x00007f8950a3170d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f894d76338c in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7f8924003070, timeout=<optimized out>, context=0x7f8924000990) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:4135
#2  0x00007f894d76338c in g_main_context_iterate (context=context@entry=0x7f8924000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3835
#3  0x00007f894d76349c in g_main_context_iteration (context=0x7f8924000990, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#4  0x00007f895135937b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8951301ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f895112a9e4 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f89502136ba in start_thread (arg=0x7f892d16d700) at pthread_create.c:333
#9  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f8939149700 (LWP 10683)):
#0  0x00007f8950a3170d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f894d76338c in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7f8928003070, timeout=<optimized out>, context=0x7f8928000990) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:4135
#2  0x00007f894d76338c in g_main_context_iterate (context=context@entry=0x7f8928000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3835
#3  0x00007f894d76349c in g_main_context_iteration (context=0x7f8928000990, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#4  0x00007f895135937b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8951301ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f895112a9e4 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8953a1e6b5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f89502136ba in start_thread (arg=0x7f8939149700) at pthread_create.c:333
#10 0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f893adbb700 (LWP 10682)):
#0  0x00007f8950a2d24d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f894d7a66f0 in g_wakeup_acknowledge (__nbytes=16, __buf=0x7f893adbaad0, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#2  0x00007f894d7a66f0 in g_wakeup_acknowledge (wakeup=0x7f89340025a0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gwakeup.c:210
#3  0x00007f894d762e74 in g_main_context_check (context=context@entry=0x7f8930000990, max_priority=2147483647, fds=fds@entry=0x7f8930002e70, n_fds=n_fds@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3632
#4  0x00007f894d763330 in g_main_context_iterate (context=context@entry=0x7f8930000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3837
#5  0x00007f894d76349c in g_main_context_iteration (context=0x7f8930000990, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#6  0x00007f895135937b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f8951301ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f895112a9e4 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f8953a1e6b5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f89502136ba in start_thread (arg=0x7f893adbb700) at pthread_create.c:333
#12 0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f89408b5700 (LWP 10681)):
#0  0x00007f894d7a7a94 in g_mutex_unlock (mutex=0x7f8934000990) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gthread-posix.c:1347
#1  0x00007f894d762d4a in g_main_context_check (context=context@entry=0x7f8934000990, max_priority=2147483647, fds=fds@entry=0x7f89340042c0, n_fds=n_fds@entry=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3748
#2  0x00007f894d763330 in g_main_context_iterate (context=context@entry=0x7f8934000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3837
#3  0x00007f894d76349c in g_main_context_iteration (context=0x7f8934000990, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#4  0x00007f895135937b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f8951301ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f895112a9e4 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f89564e6515 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f89502136ba in start_thread (arg=0x7f89408b5700) at pthread_create.c:333
#10 0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f89424cd700 (LWP 10680)):
#0  0x00007f8950a3170d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f8954d6cc62 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8954d6e8d7 in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8944c43d29 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f895112f808 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f89502136ba in start_thread (arg=0x7f89424cd700) at pthread_create.c:333
#6  0x00007f8950a3d3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f89563ad8c0 (LWP 10676)):
#0  0x00007f8950219360 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f89511306bb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f8954413da5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f8954415e9e in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f89544164f3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f895165eb25 in QWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#6  0x00007f8954449d85 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f8951c39afc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f8951c3f036 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f89513042a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f8951653fdd in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007f8951654bcd in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007f895163278b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f8944c79d40 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x00007f894d763197 in g_main_context_dispatch (context=0x7f893c0016f0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3154
#15 0x00007f894d763197 in g_main_context_dispatch (context=context@entry=0x7f893c0016f0) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3769
#16 0x00007f894d7633f0 in g_main_context_iterate (context=context@entry=0x7f893c0016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3840
#17 0x00007f894d76349c in g_main_context_iteration (context=0x7f893c0016f0, may_block=1) at /build/glib2.0-prJhLS/glib2.0-2.48.2/./glib/gmain.c:3901
#18 0x00007f895135935f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f8951301ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f895130a6bc in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x000000000041cffa in  ()
#22 0x00007f8950956830 in __libc_start_main (main=0x41c480, argc=1, argv=0x7ffc41f50c98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc41f50c88) at ../csu/libc-start.c:291
#23 0x000000000041d379 in _start ()

Reported using DrKonqi