Application: dragon (20.08.3)

Qt Version: 5.15.1
Frameworks Version: 5.75.0
Operating System: Linux 5.4.0-54-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.20

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

After watching a video file (of any supported format) and closing the player, it crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Dragon Player (dragon), signal: Aborted

[New LWP 36505]
[New LWP 36506]
[New LWP 36509]
[New LWP 36510]
[New LWP 36511]
[New LWP 36512]
[New LWP 36513]
[New LWP 36514]
[New LWP 36515]
[New LWP 36516]
[New LWP 36517]
[New LWP 36518]
[New LWP 36519]
[New LWP 36520]
[New LWP 36521]
[New LWP 36522]
[New LWP 36523]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f6e18abeaff in __GI___poll (fds=0x7ffd5b4bdca8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f6e15286880 (LWP 36504))]

Thread 18 (Thread 0x7f6dbdffb700 (LWP 36523)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3b28) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e3ad8, cond=0x55f31e5e3b00) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e3b00, mutex=0x55f31e5e3ad8) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f6dbe7fc700 (LWP 36522)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3b28) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e3ad8, cond=0x55f31e5e3b00) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e3b00, mutex=0x55f31e5e3ad8) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f6dbeffd700 (LWP 36521)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3b28) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e3ad8, cond=0x55f31e5e3b00) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e3b00, mutex=0x55f31e5e3ad8) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f6dbf7fe700 (LWP 36520)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3b28) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e3ad8, cond=0x55f31e5e3b00) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e3b00, mutex=0x55f31e5e3ad8) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f6dbffff700 (LWP 36519)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e33d0, cond=0x55f31e5e33f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e33f8, mutex=0x55f31e5e33d0) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f6de0ff9700 (LWP 36518)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e33d0, cond=0x55f31e5e33f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e33f8, mutex=0x55f31e5e33d0) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f6de17fa700 (LWP 36517)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e33d0, cond=0x55f31e5e33f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e33f8, mutex=0x55f31e5e33d0) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f6de1ffb700 (LWP 36516)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e33d0, cond=0x55f31e5e33f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e33f8, mutex=0x55f31e5e33d0) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f6de27fc700 (LWP 36515)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e33d0, cond=0x55f31e5e33f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e33f8, mutex=0x55f31e5e33d0) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f6de2ffd700 (LWP 36514)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e3420) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e33d0, cond=0x55f31e5e33f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e33f8, mutex=0x55f31e5e33d0) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f6de37fe700 (LWP 36513)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e480898) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e480848, cond=0x55f31e480870) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e480870, mutex=0x55f31e480848) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f6de3fff700 (LWP 36512)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e480898) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e480848, cond=0x55f31e480870) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e480870, mutex=0x55f31e480848) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f6de8cc2700 (LWP 36511)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e480898) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e480848, cond=0x55f31e480870) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e480870, mutex=0x55f31e480848) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f6de94c3700 (LWP 36510)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e480898) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e480848, cond=0x55f31e480870) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e480870, mutex=0x55f31e480848) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f6de9e28700 (LWP 36509)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f31e5e20f8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f31e5e20a8, cond=0x55f31e5e20d0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f31e5e20d0, mutex=0x55f31e5e20a8) at pthread_cond_wait.c:638
#3  0x00007f6dee9f762b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f6dee9f723b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f6e12a3e700 (LWP 36506)):
#0  __GI___libc_read (nbytes=16, buf=0x7f6e12a3dae0, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=0x7f6e12a3dae0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f6e1797789f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6e1792ecfe in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6e1792f152 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6e1792f2e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6e191d724b in QEventDispatcherGlib::processEvents (this=0x7f6e04000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f6e1917b43b in QEventLoop::exec (this=this@entry=0x7f6e12a3dcf0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f6e18f97982 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f6e1a1acf4b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f6e18f98b1c in QThreadPrivate::start (arg=0x7f6e1a230d80) at thread/qthread_unix.cpp:329
#11 0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f6e14607700 (LWP 36505)):
#0  0x00007f6e18abeaff in __GI___poll (fds=0x7f6e14606c28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f6e1828dc1a in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f6e1828f90a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6e14beeb08 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f6e18f98b1c in QThreadPrivate::start (arg=0x55f31e0f31c0) at thread/qthread_unix.cpp:329
#5  0x00007f6e182d2609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f6e18acb293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f6e15286880 (LWP 36504)):
[KCrash Handler]
#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#5  0x00007f6e189ce859 in __GI_abort () at abort.c:79
#6  0x00007f6e1776db84 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#7  0x00007f6e1776e583 in pa_fdsem_after_poll () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#8  0x00007f6e177862f1 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#9  0x00007f6e184bf556 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so.0
#10 0x00007f6e1792efbd in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f6e1792f240 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f6e1792f2e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f6e191d7232 in QEventDispatcherGlib::processEvents (this=0x55f31e22f8a0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#14 0x00007f6e1917b43b in QEventLoop::exec (this=this@entry=0x7ffd5b4be990, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#15 0x00007f6e191835e4 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#16 0x000055f31d5ddab6 in main (argc=<optimized out>, argv=<optimized out>) at ./src/app/main.cpp:88
[Inferior 1 (process 36504) detached]

The reporter indicates this bug may be a duplicate of or related to bug 382681.

Possible duplicates by query: bug 428296, bug 427384, bug 426577, bug 425507, bug 424911.

Reported using DrKonqi