Application: dragon (17.08.3)

Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.19.37-rt20-07 x86_64
Distribution: Debian GNU/Linux 10 (buster)

-- Information about the crash:
- What I was doing when the application crashed:
The application crashed when I closed a video. This problem seems to be common with VLC, which crash sometimes when I close a 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 0x7f29d77756c0 (LWP 6581))]

Thread 15 (Thread 0x7f298affd700 (LWP 6597)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f13a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f1350, cond=0x5616125f1378) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f1378, mutex=0x5616125f1350) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f298b7fe700 (LWP 6596)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f13a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f1350, cond=0x5616125f1378) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f1378, mutex=0x5616125f1350) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f298bfff700 (LWP 6595)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f13a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f1350, cond=0x5616125f1378) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f1378, mutex=0x5616125f1350) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f2983fff700 (LWP 6594)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f13a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f1350, cond=0x5616125f1378) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f1378, mutex=0x5616125f1350) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f29a881c700 (LWP 6593)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f0e20) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f0dd0, cond=0x5616125f0df8) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f0df8, mutex=0x5616125f0dd0) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f29a901d700 (LWP 6592)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f0e20) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f0dd0, cond=0x5616125f0df8) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f0df8, mutex=0x5616125f0dd0) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f29a981e700 (LWP 6591)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f0e20) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f0dd0, cond=0x5616125f0df8) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f0df8, mutex=0x5616125f0dd0) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f29aa01f700 (LWP 6590)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f0e20) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f0dd0, cond=0x5616125f0df8) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f0df8, mutex=0x5616125f0dd0) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f29aa820700 (LWP 6589)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f0e20) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f0dd0, cond=0x5616125f0df8) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f0df8, mutex=0x5616125f0dd0) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f29ab021700 (LWP 6588)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f0e20) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f0dd0, cond=0x5616125f0df8) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f0df8, mutex=0x5616125f0dd0) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f29ab822700 (LWP 6587)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x56161214efe8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x56161214ef98, cond=0x56161214efc0) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x56161214efc0, mutex=0x56161214ef98) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f29ccc8e700 (LWP 6586)):
#0  0x00007f29db9bc00c in futex_wait_cancelable (private=0, expected=0, futex_word=0x5616125f0520) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f29db9bc00c in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616125f04d0, cond=0x5616125f04f8) at pthread_cond_wait.c:502
#2  0x00007f29db9bc00c in __pthread_cond_wait (cond=0x5616125f04f8, mutex=0x5616125f04d0) at pthread_cond_wait.c:655
#3  0x00007f29af99b353 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f29af99b0a7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f29d4e5b700 (LWP 6583)):
#0  0x00007f29dc30c819 in __GI___poll (fds=0x7f29c801d2f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f29dacbc136 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f29dacbc25c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f29dc9a17b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f29dc94f1cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f29dc79ee96 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f29dcbf7545 in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f29dc7a8a87 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f29d69b0700 (LWP 6582)):
#0  0x00007f29dc30c819 in __GI___poll (fds=0x7f29d69afc78, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f29db976cf7 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f29db97891a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f29d731dd79 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f29dc7a8a87 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f29db9b5fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f29dc3174cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f29d77756c0 (LWP 6581)):
[KCrash Handler]
#6  0x00007f29dc2557bb in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007f29dc240535 in __GI_abort () at abort.c:79
#8  0x00007f29da6cbdf8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#9  0x00007f29da6cc7cf in pa_fdsem_after_poll () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#10 0x00007f29da6e435d in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#11 0x00007f29db70d3d6 in  () at /lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#12 0x00007f29dacbbf2e in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f29dacbc1c8 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f29dacbc25c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f29dc9a1797 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f29d73b4401 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x00007f29dc94f1cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f29dc9571a2 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x0000561610d6a6be in  ()
#20 0x00007f29dc24209b in __libc_start_main (main=0x561610d69ce0, argc=2, argv=0x7ffe5cda9728, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe5cda9718) at ../csu/libc-start.c:308
#21 0x0000561610d6a82a in _start ()
[Inferior 1 (process 6581) detached]

Reported using DrKonqi