Bug 480957

Summary: kamoso crashes when clicking on the effects drawer icon.
Product: [Applications] kamoso Reporter: Jakub Ladman <ladmanj>
Component: generalAssignee: Aleix Pol <aleixpol>
Status: REPORTED ---    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 23.08.4   
Target Milestone: ---   
Platform: Kubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Jakub Ladman 2024-02-06 15:15:42 UTC 
Application: kamoso (23.08.4)

Qt Version: 5.15.12
Frameworks Version: 5.114.0
Operating System: Linux 6.5.0-10022-tuxedo x86_64
Windowing System: X11
Distribution: TUXEDO OS 2
DrKonqi: 5.27.10 [KCrashBackend]

-- Information about the crash:
When switched to external USB camera (microscope).
It crashed most of the times, but not everytime I tried it.

The crash can be reproduced every time.

-- Backtrace:
Application: Kamoso (kamoso), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f6d6d335b8e in gst_mini_object_unref () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007f6d6d3366a3 in gst_mini_object_replace () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007f6d26f714f6 in VideoMaterial::setCurrentFrame(_GstBuffer*) () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstqt5videosink.so
#7  0x00007f6d26f727b1 in VideoNode::setCurrentFrame(_GstBuffer*) () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstqt5videosink.so
#8  0x00007f6d26f72bd0 in QtQuick2VideoSinkDelegate::updateNode(QSGNode*, QRectF const&) () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstqt5videosink.so
#9  0x00007f6d26f7337f in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstqt5videosink.so
#10 0x00007f6d26f70d5f in g_cclosure_user_marshal_POINTER__POINTER_DOUBLE_DOUBLE_DOUBLE_DOUBLE () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstqt5videosink.so
#11 0x00007f6d6e948d2f in g_closure_invoke () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007f6d6e964624 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x000055d20fe6c4c2 in  ()
#14 0x00007f6d6f47efb8 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f6d6f47f4f3 in QQuickWindowPrivate::updateDirtyNodes() () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f6d6f481110 in QQuickWindowPrivate::syncSceneGraph() () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f6d6f419d5a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f6d6f41bd5c in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f6d6f41ca97 in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f6d6d4ceda3 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#22 0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 26 (Thread 0x7f6cdeffd640 (LWP 105641) "kamoso:gl0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d21184d530) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d21184d530, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d21184d4d8, cond=0x55d21184d508) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d21184d508, mutex=0x55d21184d4d8) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d645126bd in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#6  0x00007f6d644f306b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f6d645125eb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 25 (Thread 0x7f6cdf7fe640 (LWP 105640) "kamoso:gdrv0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d2118195f0) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d2118195f0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d211819598, cond=0x55d2118195c8) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d2118195c8, mutex=0x55d211819598) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d645126bd in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#6  0x00007f6d644f306b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f6d645125eb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 24 (Thread 0x7f6cdffff640 (LWP 105639) "kamoso:traceq0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d210e4b658) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d210e4b658, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d210e4b600, cond=0x55d210e4b630) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d210e4b630, mutex=0x55d210e4b600) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d645126bd in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#6  0x00007f6d644f306b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f6d645125eb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 23 (Thread 0x7f6cfd7fa640 (LWP 105637) "queue2:src"):
#1  0x00007f6d6d219b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d243ea069 in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007f6d6d369127 in  () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007f6d6d1fc6b4 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 22 (Thread 0x7f6cfdffb640 (LWP 105636) "preview-appsrc:"):
#1  0x00007f6d6d219b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d24419257 in  () at /lib/x86_64-linux-gnu/libgstapp-1.0.so.0
#3  0x00007f6d5017402d in  () at /lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#4  0x00007f6d50176c1d in  () at /lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#5  0x00007f6d6d369127 in  () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007f6d6d1fc6b4 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 21 (Thread 0x7f6cfe7fc640 (LWP 105635) "viewfinderbin-q"):
#1  0x00007f6d6d219b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d243ea069 in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007f6d6d369127 in  () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007f6d6d1fc6b4 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 20 (Thread 0x7f6cfeffd640 (LWP 105634) "queue3:src"):
#1  0x00007f6d6d219b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d243ea069 in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007f6d6d369127 in  () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007f6d6d1fc6b4 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 19 (Thread 0x7f6cff7fe640 (LWP 105633) "queue0:src"):
#1  0x00007f6d6d219b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d243ea069 in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007f6d6d369127 in  () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007f6d6d1fc6b4 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 18 (Thread 0x7f6cfffff640 (LWP 105632) "queue1:src"):
#1  0x00007f6d6d219b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d243ea069 in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007f6d6d369127 in  () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007f6d6d1fc6b4 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 17 (Thread 0x7f6d18d7b640 (LWP 105631) "queue4:src"):
#1  0x00007f6d6d219b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d243ea069 in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007f6d6d369127 in  () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007f6d6d1fc6b4 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 16 (Thread 0x7f6d1957c640 (LWP 105630) "queue5:src"):
#1  0x00007f6d6d219b43 in g_cond_wait () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d243ea069 in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007f6d6d369127 in  () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007f6d6d1fc6b4 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 15 (Thread 0x7f6d19d7d640 (LWP 105629) "HD camera  (V4L"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d210de3d6c) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d210de3d6c, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d210de3d18, cond=0x55d210de3d40) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d210de3d40, mutex=0x55d210de3d18) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d5c1559ca in pw_thread_loop_wait () at /lib/x86_64-linux-gnu/libpipewire-0.3.so.0
#6  0x00007f6d5c1ecf1d in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstpipewire.so
#7  0x00007f6d5017402d in  () at /lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#8  0x00007f6d50176c1d in  () at /lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#9  0x00007f6d6d369127 in  () at /lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007f6d6d1fc6b4 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#13 0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 14 (Thread 0x7f6d27fff640 (LWP 105624) "kamoso"):
#1  __GI___libc_read (fd=33, buf=0x7f6d27ffea50, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f6d6d1cb134 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d6d22019d in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6d6d1ca2b3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f6d2f781af2 in  () at /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideo4linux2.so
#6  0x00007f6d6d1f9a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#8  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 13 (Thread 0x7f6d2cab9640 (LWP 105623) "pipewire-main-l"):
#1  0x00007f6d5c1ca6e8 in  () at /usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#2  0x00007f6d5c1bca2d in  () at /usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#3  0x00007f6d5c153301 in  () at /lib/x86_64-linux-gnu/libpipewire-0.3.so.0
#4  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#5  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 12 (Thread 0x7f6d2e7ff640 (LWP 105622) "pw-data-loop"):
#1  0x00007f6d5c1ca6e8 in  () at /usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#2  0x00007f6d5c1bca2d in  () at /usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#3  0x00007f6d5c10d46c in  () at /lib/x86_64-linux-gnu/libpipewire-0.3.so.0
#4  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#5  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 11 (Thread 0x7f6d2ffff640 (LWP 105621) "QQmlThread"):
#1  0x00007f6d6d2201f6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d6d1c83e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d6d71686e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6d6d6bbc2b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6d6d4cdb32 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6d6ef345f9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f6d6d4ceda3 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7f6d50fff640 (LWP 105620) "QQmlThread"):
#1  0x00007f6d6d2201f6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d6d1c83e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d6d71686e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6d6d6bbc2b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6d6d4cdb32 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6d6ef345f9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f6d6d4ceda3 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7f6d5cbf9640 (LWP 105616) "QQmlThread"):
#1  0x00007f6d6d2201f6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d6d1c83e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d6d71686e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6d6d6bbc2b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6d6d4cdb32 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6d6ef345f9 in  () at /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f6d6d4ceda3 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 8 (Thread 0x7f6d5d3fa640 (LWP 105612) "kamoso:traceq0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d210a0e0b8) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d210a0e0b8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d210a0e060, cond=0x55d210a0e090) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d210a0e090, mutex=0x55d210a0e060) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d645126bd in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#6  0x00007f6d644f306b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f6d645125eb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 7 (Thread 0x7f6d5dbfb640 (LWP 105611) "kamoso:traceq0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d2109b8b18) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d2109b8b18, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d2109b8ac0, cond=0x55d2109b8af0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d2109b8af0, mutex=0x55d2109b8ac0) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d645126bd in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#6  0x00007f6d644f306b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f6d645125eb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7f6d5e7fc640 (LWP 105610) "kamoso:shlo0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d21093dd40) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d21093dd40, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d21093dce8, cond=0x55d21093dd18) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d21093dd18, mutex=0x55d21093dce8) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d645126bd in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#6  0x00007f6d644f306b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f6d645125eb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7f6d5effd640 (LWP 105609) "kamoso:sh0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d21093db90) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d21093db90, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d21093db38, cond=0x55d21093db68) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d21093db68, mutex=0x55d21093db38) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d645126bd in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#6  0x00007f6d644f306b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f6d645125eb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7f6d5f7fe640 (LWP 105608) "kamoso:disk$0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d2109a66e8) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d2109a66e8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d2109a6690, cond=0x55d2109a66c0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d2109a66c0, mutex=0x55d2109a6690) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d645126bd in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#6  0x00007f6d644f306b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f6d645125eb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7f6d5ffff640 (LWP 105607) "kamoso:cs0"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d21092bd30) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d21092bd30, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d21092bcd8, cond=0x55d21092bd08) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d21092bd08, mutex=0x55d21092bcd8) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d645126bd in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#6  0x00007f6d644f306b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f6d645125eb in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f6d6787d640 (LWP 105605) "QDBusConnection"):
#1  0x00007f6d6d2201f6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d6d1c83e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d6d71686e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f6d6d6bbc2b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f6d6d4cdb32 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6d6c6db0eb in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f6d6d4ceda3 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f6d6ca94ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f6d6cb26850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7f6d68bdca00 (LWP 105604) "kamoso"):
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55d211247950) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55d211247950, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f6d6ca93a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55d211247900, cond=0x55d211247928) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55d211247928, mutex=0x55d211247900) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f6d6d4d4ddb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f6d6f41e41a in  () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f6d6f48f7ef in QQuickWindow::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f6d6e36c783 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f6d6d6bd30a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f6d6db31e74 in QPlatformWindow::windowEvent(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007f6d6e3739aa in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f6d6d6bd30a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f6d6d715b2b in QTimerInfoList::activateTimers() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f6d6d71642c in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f6d6d1cad3b in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f6d6d220258 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f6d6d1c83e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f6d6d7167f8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f6d6d6bbc2b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f6d6d6c41d4 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x000055d20fe61651 in  ()
#22 0x00007f6d6ca29d90 in __libc_start_call_main (main=main@entry=0x55d20fe5f890, argc=argc@entry=1, argv=argv@entry=0x7ffca0424558) at ../sysdeps/nptl/libc_start_call_main.h:58
#23 0x00007f6d6ca29e40 in __libc_start_main_impl (main=0x55d20fe5f890, argc=1, argv=0x7ffca0424558, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffca0424548) at ../csu/libc-start.c:392
#24 0x000055d20fe62255 in  ()
[Inferior 1 (process 105604) detached]

Reported using DrKonqi