Application: dragon (17.08.3)

Qt Version: 5.10.1
Frameworks Version: 5.47.0
Operating System: Linux 4.17.0-1-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

-- Information about the crash:
- What I was doing when the application crashed:
I have closed the Dragon Player aplication with active video.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Dragon Player (dragon), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f40aba11840 (LWP 16456))]

Thread 3 (Thread 0x7f407ca66700 (LWP 16461)):
#0  0x00007f40b3704e6c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55a2db748250) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f40b3704e6c in __pthread_cond_wait_common (abstime=0x0, mutex=0x55a2db748200, cond=0x55a2db748228) at pthread_cond_wait.c:502
#2  0x00007f40b3704e6c in __pthread_cond_wait (cond=0x55a2db748228, mutex=0x55a2db748200) at pthread_cond_wait.c:655
#3  0x00007f407d72ed6b in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f407d72ea97 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f40b36fef2a in start_thread (arg=0x7f407ca66700) at pthread_create.c:463
#6  0x00007f40b5feeedf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f40a1388700 (LWP 16458)):
#0  0x00007f40b5fe4739 in __GI___poll (fds=0x7f409c01c700, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f40b1ac2439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f40b1ac254c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f40b66bc1bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f40b665fb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f40b64757ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f40b6adfdf5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f40b647ab4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f40b36fef2a in start_thread (arg=0x7f40a1388700) at pthread_create.c:463
#9  0x00007f40b5feeedf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f40aba11840 (LWP 16456)):
[KCrash Handler]
#6  0x00007f40b5f2cf3b in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007f40b5f2e2f1 in __GI_abort () at abort.c:79
#8  0x00007f40b06e48a9 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#9  0x00007f40b06e52af in pa_fdsem_after_poll () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#10 0x00007f40b06fcd0d in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#11 0x00007f40b2e5bf30 in  () at /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#12 0x00007f40b1ac2287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f40b1ac24c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f40b1ac254c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f40b66bc19f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f40ab3da2c1 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x00007f40b665fb6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f40b6668ed4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x000055a2d9a066be in  ()
#20 0x00007f40b5f19b17 in __libc_start_main (main=0x55a2d9a05ce0, argc=2, argv=0x7ffe7b47aea8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe7b47ae98) at ../csu/libc-start.c:310
#21 0x000055a2d9a0682a in _start ()

Reported using DrKonqi