Application: elisa (21.07.70)

Qt Version: 5.15.3
Frameworks Version: 5.83.0
Operating System: Linux 5.8.0-53-generic x86_64
Windowing System: Wayland
Drkonqi Version: 5.22.80
Distribution: KDE neon Unstable Edition

-- Information about the crash:
- What I was doing when the application crashed:
Elisa crashed when i changed global theme from Breeze to Breeze Dark.

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Elisa (elisa), signal: Segmentation fault
Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7fd0010758c0 (LWP 20054))]
[New LWP 20054]
[New LWP 21173]
[New LWP 20076]
[New LWP 20071]
[New LWP 20056]
[New LWP 20057]
[New LWP 20058]
[New LWP 20059]
[New LWP 20060]
[New LWP 20061]
[New LWP 20066]
[New LWP 20067]
[New LWP 20068]
[New LWP 20069]
[New LWP 20070]
[New LWP 21169]
[New LWP 21217]
[New LWP 20055]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/elisa'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  __GI_raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50
[Current thread is 1 (Thread 0x7fd0010758c0 (LWP 20054))]

Thread 18 (Thread 0x7fd00083a700 (LWP 20055)):
#0  0x00007fd0061f3aff in __GI___poll (fds=0x7fcffc005240, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd0041a536e in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0x7fcffc005240, timeout=<optimized out>, context=0x7fcffc000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7fcffc000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007fd0041a54a3 in g_main_context_iteration (context=0x7fcffc000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fd0067c1b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcffc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fd006765dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fd000839cb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fd00657fbb2 in QThread::exec() (this=this@entry=0x7fd00568ed80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fd00560af4b in QDBusConnectionManager::run() (this=0x7fd00568ed80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#8  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x7fd00568ed80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329
#9  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fcfddd03700 (LWP 21217)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564f68beee00) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f68beedb0, cond=0x564f68beedd8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x564f68beedd8, mutex=0x564f68beedb0) at pthread_cond_wait.c:647
#3  0x00007fd006586ebb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x564f68beedb0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x564f6ca80378, mutex=mutex@entry=0x564f6ca80370, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fd0052a0b44 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x564f6ca80368) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x564f6ca802d0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007fd0052a0fb9 in QSGRenderThread::run() (this=0x564f6ca802d0) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x564f6ca802d0) at thread/qthread_unix.cpp:329
#9  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fcfdec3d700 (LWP 21169)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564f66058aa4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f66058a50, cond=0x564f66058a78) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x564f66058a78, mutex=0x564f66058a50) at pthread_cond_wait.c:647
#3  0x00007fd003b3419b in ControlPop (b_postpone_seek=<optimized out>, i_deadline=<optimized out>, p_val=<optimized out>, pi_type=<optimized out>, p_input=<optimized out>) at input/input.c:1663
#4  MainLoop (p_input=p_input@entry=0x564f66058890, b_interactive=b_interactive@entry=true) at input/input.c:791
#5  0x00007fd003b36523 in Run (data=0x564f66058890) at input/input.c:505
#6  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fcfbeffd700 (LWP 20070)):
#0  0x00007fd0061f3aff in __GI___poll (fds=0x7fcfb4005060, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd0041a536e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fcfb4005060, timeout=<optimized out>, context=0x7fcfb4000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7fcfb4000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007fd0041a54a3 in g_main_context_iteration (context=0x7fcfb4000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fd0067c1b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcfb4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fd006765dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcfbeffcce0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fd00657fbb2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x564f66515210) at thread/qthread_unix.cpp:329
#8  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fcfbf7fe700 (LWP 20069)):
#0  0x00007fd0061f3aff in __GI___poll (fds=0x7fcfb0004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd0041a536e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fcfb0004e60, timeout=<optimized out>, context=0x7fcfb0000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7fcfb0000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007fd0041a54a3 in g_main_context_iteration (context=0x7fcfb0000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fd0067c1b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcfb0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fd006765dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcfbf7fdce0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fd00657fbb2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x564f65221240) at thread/qthread_unix.cpp:329
#8  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fcfbffff700 (LWP 20068)):
#0  0x00007fd0061f3aff in __GI___poll (fds=0x7fcfb8005240, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd0041a536e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fcfb8005240, timeout=<optimized out>, context=0x7fcfb8000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7fcfb8000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007fd0041a54a3 in g_main_context_iteration (context=0x7fcfb8000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fd0067c1b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcfb8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fd006765dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcfbfffece0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fd00657fbb2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x564f65221250) at thread/qthread_unix.cpp:329
#8  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fcfdccc7700 (LWP 20067)):
#0  0x00007fd0061f3aff in __GI___poll (fds=0x7fcfc4004a60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd0041a536e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fcfc4004a60, timeout=<optimized out>, context=0x7fcfc4000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7fcfc4000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007fd0041a54a3 in g_main_context_iteration (context=0x7fcfc4000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fd0067c1b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcfc4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fd006765dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcfdccc6ce0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fd00657fbb2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x564f664f3650) at thread/qthread_unix.cpp:329
#8  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fcfdd4c8700 (LWP 20066)):
#0  0x00007fd0061f3aff in __GI___poll (fds=0x7fcfc0004a30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd0041a536e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fcfc0004a30, timeout=<optimized out>, context=0x7fcfc0000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7fcfc0000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007fd0041a54a3 in g_main_context_iteration (context=0x7fcfc0000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fd0067c1b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcfc0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fd006765dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcfdd4c7ce0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fd00657fbb2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x564f637783e0) at thread/qthread_unix.cpp:329
#8  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fcfdffff700 (LWP 20061)):
#0  0x00007fd0061f3aff in __GI___poll (fds=0x7fcfd80036d0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd0041a536e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fcfd80036d0, timeout=<optimized out>, context=0x7fcfd8000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7fcfd8000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007fd0041a54a3 in g_main_context_iteration (context=0x7fcfd8000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fd0067c1b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcfd8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fd006765dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcfdfffeca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fd00657fbb2 in QThread::exec() (this=this@entry=0x564f63c39850) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fd0051db3ba in QQuickPixmapReader::run() (this=0x564f63c39850) at util/qquickpixmapcache.cpp:1024
#8  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x564f63c39850) at thread/qthread_unix.cpp:329
#9  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fcff8863700 (LWP 20060)):
#0  0x00007fd0061f3aff in __GI___poll (fds=0x7fcfe0004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fd0041a536e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fcfe0004e60, timeout=<optimized out>, context=0x7fcfe0000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7fcfe0000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007fd0041a54a3 in g_main_context_iteration (context=0x7fcfe0000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007fd0067c1b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcfe0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007fd006765dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcff8862cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fd00657fbb2 in QThread::exec() (this=this@entry=0x564f63691c70) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fd006d68559 in QQmlThreadPrivate::run() (this=0x564f63691c70) at qml/ftw/qqmlthread.cpp:155
#8  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x564f63691c70) at thread/qthread_unix.cpp:329
#9  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fcff94f7700 (LWP 20059)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564f63499e18) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f63499dc8, cond=0x564f63499df0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x564f63499df0, mutex=0x564f63499dc8) at pthread_cond_wait.c:647
#3  0x00007fcffb41be6b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fcffb41ba6b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fcff9cf8700 (LWP 20058)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564f63499e18) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f63499dc8, cond=0x564f63499df0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x564f63499df0, mutex=0x564f63499dc8) at pthread_cond_wait.c:647
#3  0x00007fcffb41be6b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fcffb41ba6b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fcffa4f9700 (LWP 20057)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564f63499e18) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f63499dc8, cond=0x564f63499df0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x564f63499df0, mutex=0x564f63499dc8) at pthread_cond_wait.c:647
#3  0x00007fcffb41be6b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fcffb41ba6b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fcffacfa700 (LWP 20056)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564f63499e18) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f63499dc8, cond=0x564f63499df0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x564f63499df0, mutex=0x564f63499dc8) at pthread_cond_wait.c:647
#3  0x00007fcffb41be6b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fcffb41ba6b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fcfbe7fc700 (LWP 20071)):
#0  __GI___libc_read (nbytes=10, buf=0x7fcfbe7fbb1e, fd=34) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=fd@entry=34, buf=buf@entry=0x7fcfbe7fbb1e, nbytes=nbytes@entry=10) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fd00190e975 in read (__nbytes=10, __buf=0x7fcfbe7fbb1e, __fd=34) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  pa_read (fd=34, buf=buf@entry=0x7fcfbe7fbb1e, count=count@entry=10, type=type@entry=0x564f656b0a68) at pulsecore/core-util.c:422
#4  0x00007fd004124416 in clear_wakeup (m=<optimized out>) at pulse/mainloop.c:782
#5  pa_mainloop_prepare (m=m@entry=0x564f656b0990, timeout=-1) at pulse/mainloop.c:789
#6  0x00007fd004124eb4 in pa_mainloop_iterate (m=0x564f656b0990, block=<optimized out>, retval=0x0) at pulse/mainloop.c:923
#7  0x00007fd004124f70 in pa_mainloop_run (m=0x564f656b0990, retval=retval@entry=0x0) at pulse/mainloop.c:945
#8  0x00007fd00413311d in thread (userdata=0x564f656b0940) at pulse/thread-mainloop.c:101
#9  0x00007fd00193d72c in internal_thread_func (userdata=0x564f656a4eb0) at pulsecore/thread-posix.c:81
#10 0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fcf8f7fe700 (LWP 20076)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x564f656d8c04) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f656d8bb0, cond=0x564f656d8bd8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x564f656d8bd8, mutex=0x564f656d8bb0) at pthread_cond_wait.c:647
#3  0x00007fd006586ebb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x564f656d8bb0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x564f6573ad38, mutex=mutex@entry=0x564f6573ad30, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007fd0052a0b44 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x564f6573ad28) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x564f6573ac90) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007fd0052a0fb9 in QSGRenderThread::run() (this=0x564f6573ac90) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007fd006580d4c in QThreadPrivate::start(void*) (arg=0x564f6573ac90) at thread/qthread_unix.cpp:329
#9  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fcf7cc2c700 (LWP 21173)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fcf9001d3e4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fcf9001d390, cond=0x7fcf9001d3b8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fcf9001d3b8, mutex=0x7fcf9001d390) at pthread_cond_wait.c:647
#3  0x00007fd003b1d00b in DecoderThread (p_data=<optimized out>) at input/decoder.c:1608
#4  0x00007fd004b5a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007fd006200293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fd0010758c0 (LWP 20054)):
[KCrash Handler]
#3  0x00007fd0017ee0a4 in QWaylandClientExtensionPrivate::handleRegistryGlobal(void*, wl_registry*, unsigned int, QString const&, unsigned int) (data=0x564f68ee7ff0, registry=0x564f632e91e0, id=87, interface=..., version=1) at global/qwaylandclientextension.cpp:67
#4  0x00007fd0017c9882 in QtWaylandClient::QWaylandDisplay::registry_global(unsigned int, QString const&, unsigned int) (this=<optimized out>, id=87, interface=..., version=1) at qwaylanddisplay.cpp:397
#5  0x00007fd0017f8746 in QtWayland::wl_registry::handle_global(void*, wl_registry*, unsigned int, char const*, unsigned int) (data=0x564f632ecd10, object=<optimized out>, name=87, interface=0x7fcfd80064b0 "org_kde_kwin_blur_manager", version=1) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:236
#6  0x00007fd001243ff5 in ffi_call_unix64 () at ../src/x86/unix64.S:101
#7  0x00007fd00124340a in ffi_call_int (cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>, closure=<optimized out>) at ../src/x86/ffi64.c:669
#8  0x00007fd0017453a8 in wl_closure_invoke (closure=0x7fcfd80063d0, flags=1, target=<optimized out>, opcode=0, data=<optimized out>) at ../src/connection.c:1018
#9  0x00007fd001741c48 in dispatch_event (display=display@entry=0x564f632ece60, queue=<optimized out>) at ../src/wayland-client.c:1445
#10 0x00007fd00174321c in dispatch_queue (queue=0x564f632ecf30, display=0x564f632ece60) at ../src/wayland-client.c:1591
#11 wl_display_dispatch_queue_pending (display=0x564f632ece60, queue=0x564f632ecf30) at ../src/wayland-client.c:1833
#12 0x00007fd001743280 in wl_display_dispatch_pending (display=<optimized out>) at ../src/wayland-client.c:1896
#13 0x00007fd0017c91c5 in QtWaylandClient::QWaylandDisplay::flushRequests() (this=0x564f632ecd00) at qwaylanddisplay.cpp:222
#14 0x00007fd00679e320 in doActivate<false>(QObject*, int, void**) (sender=0x564f63365020, signal_index=4, argv=0x7fffd5938420) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#15 0x00007fd0067976b7 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x564f63365020, m=m@entry=0x7fd006a011c0 <QAbstractEventDispatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3946
#16 0x00007fd006763e67 in QAbstractEventDispatcher::awake() (this=this@entry=0x564f63365020) at .moc/moc_qabstracteventdispatcher.cpp:149
#17 0x00007fd0067c1b5c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x564f63365020, flags=...) at kernel/qeventdispatcher_glib.cpp:430
#18 0x00007fd006765dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fffd5938540, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#19 0x00007fd00676df84 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#20 0x0000564f6137489d in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:171

Reported using DrKonqi