https://bugs.kde.org/show_bug.cgi?id=447633

            Bug ID: 447633
           Summary: Kamoso crashes on nvidia system when trying to open
                    side panel with filters
           Product: kamoso
           Version: 21.12.0
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: aleix...@kde.org
          Reporter: brunopit...@hotmail.com
  Target Milestone: ---

Application: kamoso (21.12.0)

Qt Version: 5.15.2
Frameworks Version: 5.89.0
Operating System: Linux 5.15.8-1-default x86_64
Windowing System: X11
Distribution: openSUSE Tumbleweed
DrKonqi: 5.23.4 [KCrashBackend]

-- Information about the crash:
I'm using OpenSuse Tumbleweed on a NVIDIA Optimus system.
After opening Kamos and clicking filter selection in upper left corner, Kamoso
crashes inside Nvidia driver.
I recall same error happening on Ubuntu.

The crash can be reproduced every time.

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

[KCrash Handler]
#4  0x00007f558ae8ad10 in ?? () from /lib64/libnvidia-glcore.so.470.86
#5  0x00007f558a9a781d in ?? () from /lib64/libnvidia-glcore.so.470.86
#6  0x00007f558a9b1831 in ?? () from /lib64/libnvidia-glcore.so.470.86
#7  0x00007f558aac66f0 in ?? () from /lib64/libnvidia-glcore.so.470.86
#8  0x00007f558aad1b3d in ?? () from /lib64/libnvidia-glcore.so.470.86
#9  0x00007f558aad30b4 in ?? () from /lib64/libnvidia-glcore.so.470.86
#10 0x00007f558aad3438 in ?? () from /lib64/libnvidia-glcore.so.470.86
#11 0x00007f55760bda97 in QOpenGLFunctions::glTexImage2D
(pixels=0x7f547494f042, type=<optimized out>, format=<optimized out>, border=0,
height=<optimized out>, width=<optimized out>, internalformat=<optimized out>,
level=0, target=3553, this=0x7f55385b6168) at
/usr/include/qt5/QtGui/qopenglfunctions.h:1027
#12 VideoMaterial::bindTexture (this=0x7f55385b6150, i=<optimized out>,
data=<optimized out>) at
/usr/src/debug/kamoso-21.12.0-127.4.x86_64/src/elements/gstqtvideosink/painters/videomaterial.cpp:429
#13 0x00007f55760be1f7 in VideoMaterial::bind (this=0x7f55385b6150) at
/usr/src/debug/kamoso-21.12.0-127.4.x86_64/src/elements/gstqtvideosink/painters/videomaterial.cpp:409
#14 VideoMaterialShader::updateState (this=0x7f5539aefe50, state=...,
newMaterial=0x7f55385b6150, oldMaterial=<optimized out>) at
/usr/src/debug/kamoso-21.12.0-127.4.x86_64/src/elements/gstqtvideosink/painters/videomaterial.cpp:115
#15 0x00007f55a0969a14 in QSGBatchRenderer::Renderer::renderMergedBatch
(batch=<optimized out>, this=0x7f55381275e0) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:3097
#16 QSGBatchRenderer::Renderer::renderMergedBatch (this=0x7f55381275e0,
batch=0x7f5538175a20) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:3026
#17 0x00007f55a096efe5 in QSGBatchRenderer::Renderer::renderBatches
(this=this@entry=0x7f55381275e0) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:4051
#18 0x00007f55a096f9d2 in QSGBatchRenderer::Renderer::render (this=<optimized
out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/coreapi/qsgbatchrenderer.cpp:4363
#19 0x00007f55a0956fc0 in QSGRenderer::renderScene (bindable=...,
this=0x7f55381275e0) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/coreapi/qsgrenderer.cpp:264
#20 QSGRenderer::renderScene (this=0x7f55381275e0, bindable=...) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/coreapi/qsgrenderer.cpp:220
#21 0x00007f55a0957493 in QSGRenderer::renderScene (this=<optimized out>,
fboId=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/coreapi/qsgrenderer.cpp:212
#22 0x00007f55a09bbf53 in QSGDefaultRenderContext::renderNextFrame
(this=0x55c86bf07210, renderer=0x7f55381275e0, fboId=<optimized out>) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/qsgdefaultrendercontext.cpp:228
#23 0x00007f55a0a29d09 in QQuickWindowPrivate::renderSceneGraph
(this=0x55c86bbcd800, size=..., surfaceSize=...) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/items/qquickwindow.cpp:617
#24 0x00007f55a09ca5ed in QSGRenderThread::syncAndRender (this=0x55c86c83d690,
grabImage=0x0) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:837
#25 0x00007f55a09caf97 in QSGRenderThread::run (this=0x55c86c83d690) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1043
#26 0x00007f559ea91df1 in QThreadPrivate::start (arg=0x55c86c83d690) at
thread/qthread_unix.cpp:329
#27 0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#28 0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 16 (Thread 0x7f55437fe640 (LWP 7093) "Video Capture 3"):
#1  0x00007f559e76579f in g_cond_wait (cond=cond@entry=0x55c86e297ad0,
mutex=mutex@entry=0x55c86e297a88) at ../glib/gthread-posix.c:1575
#2  0x00007f559e9077a3 in gst_task_func (task=0x55c86e297a70) at
../gst/gsttask.c:369
#3  0x00007f559e73cd24 in g_thread_pool_thread_proxy (data=<optimized out>) at
../glib/gthreadpool.c:354
#4  0x00007f559e73c41e in g_thread_proxy (data=0x7f55780021e0) at
../glib/gthread.c:827
#5  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#6  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 15 (Thread 0x7f5543fff640 (LWP 7092) "preview-appsrc:"):
#1  0x00007f559e76579f in g_cond_wait (cond=cond@entry=0x55c86c2d2640,
mutex=mutex@entry=0x55c86c2d2650) at ../glib/gthread-posix.c:1575
#2  0x00007f5574018bf7 in gst_app_src_create (bsrc=0x55c86c2d28d0,
offset=<optimized out>, size=4096, buf=0x7f5543ffe9e8) at
../gst-libs/gst/app/gstappsrc.c:1382
#3  0x00007f5588e0207d in gst_base_src_get_range (src=src@entry=0x55c86c2d28d0,
offset=offset@entry=0, length=<optimized out>, buf=buf@entry=0x7f5543ffead0) at
../libs/gst/base/gstbasesrc.c:2587
#4  0x00007f5588e085bd in gst_base_src_loop (pad=0x55c86e1b6750) at
../libs/gst/base/gstbasesrc.c:2911
#5  0x00007f559e9075bf in gst_task_func (task=0x55c86e297950) at
../gst/gsttask.c:384
#6  0x00007f559e73cd24 in g_thread_pool_thread_proxy (data=<optimized out>) at
../glib/gthreadpool.c:354
#7  0x00007f559e73c41e in g_thread_proxy (data=0x55c86bef7b00) at
../glib/gthread.c:827
#8  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#9  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 14 (Thread 0x7f5564b58640 (LWP 7091) "viewfinderbin-q"):
#1  0x00007f559e76579f in g_cond_wait (cond=cond@entry=0x55c86e297890,
mutex=mutex@entry=0x55c86e297848) at ../glib/gthread-posix.c:1575
#2  0x00007f559e9077a3 in gst_task_func (task=0x55c86e297830) at
../gst/gsttask.c:369
#3  0x00007f559e73cd24 in g_thread_pool_thread_proxy (data=<optimized out>) at
../glib/gthreadpool.c:354
#4  0x00007f559e73c41e in g_thread_proxy (data=0x55c86bef79e0) at
../glib/gthread.c:827
#5  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#6  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 13 (Thread 0x7f5565359640 (LWP 7090) "queue1:src"):
#1  0x00007f559e76579f in g_cond_wait (cond=cond@entry=0x55c86e27a930,
mutex=mutex@entry=0x55c86e27a920) at ../glib/gthread-posix.c:1575
#2  0x00007f5567fd5fa9 in gst_queue_loop (pad=<optimized out>) at
../plugins/elements/gstqueue.c:1527
#3  0x00007f559e9075bf in gst_task_func (task=0x55c86e2975f0) at
../gst/gsttask.c:384
#4  0x00007f559e73cd24 in g_thread_pool_thread_proxy (data=<optimized out>) at
../glib/gthreadpool.c:354
#5  0x00007f559e73c41e in g_thread_proxy (data=0x55c86bef7920) at
../glib/gthread.c:827
#6  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#7  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 12 (Thread 0x7f5565b5a640 (LWP 7089) "queue3:src"):
#1  0x00007f559e76579f in g_cond_wait (cond=cond@entry=0x55c86e27af30,
mutex=mutex@entry=0x55c86e27af20) at ../glib/gthread-posix.c:1575
#2  0x00007f5567fd5fa9 in gst_queue_loop (pad=<optimized out>) at
../plugins/elements/gstqueue.c:1527
#3  0x00007f559e9075bf in gst_task_func (task=0x55c86e297710) at
../gst/gsttask.c:384
#4  0x00007f559e73cd24 in g_thread_pool_thread_proxy (data=<optimized out>) at
../glib/gthreadpool.c:354
#5  0x00007f559e73c41e in g_thread_proxy (data=0x7f5578002180) at
../glib/gthread.c:827
#6  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#7  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 11 (Thread 0x7f556635b640 (LWP 7088) "queue2:src"):
#1  0x00007f559e76579f in g_cond_wait (cond=cond@entry=0x55c86e27ac30,
mutex=mutex@entry=0x55c86e27ac20) at ../glib/gthread-posix.c:1575
#2  0x00007f5567fd5fa9 in gst_queue_loop (pad=<optimized out>) at
../plugins/elements/gstqueue.c:1527
#3  0x00007f559e9075bf in gst_task_func (task=0x55c86e2974d0) at
../gst/gsttask.c:384
#4  0x00007f559e73cd24 in g_thread_pool_thread_proxy (data=<optimized out>) at
../glib/gthreadpool.c:354
#5  0x00007f559e73c41e in g_thread_proxy (data=0x7f5578002120) at
../glib/gthread.c:827
#6  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#7  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7f5566b5c640 (LWP 7087) "queue0:src"):
#1  0x00007f559e76579f in g_cond_wait (cond=cond@entry=0x55c86e27a630,
mutex=mutex@entry=0x55c86e27a620) at ../glib/gthread-posix.c:1575
#2  0x00007f5567fd5fa9 in gst_queue_loop (pad=<optimized out>) at
../plugins/elements/gstqueue.c:1527
#3  0x00007f559e9075bf in gst_task_func (task=0x55c86e2973b0) at
../gst/gsttask.c:384
#4  0x00007f559e73cd24 in g_thread_pool_thread_proxy (data=<optimized out>) at
../glib/gthreadpool.c:354
#5  0x00007f559e73c41e in g_thread_proxy (data=0x7f5578002240) at
../glib/gthread.c:827
#6  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#7  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7f556735d640 (LWP 7086) "queue5:src"):
#1  0x00007f559e76579f in g_cond_wait (cond=cond@entry=0x55c86e27b530,
mutex=mutex@entry=0x55c86e27b520) at ../glib/gthread-posix.c:1575
#2  0x00007f5567fd5fa9 in gst_queue_loop (pad=<optimized out>) at
../plugins/elements/gstqueue.c:1527
#3  0x00007f559e9075bf in gst_task_func (task=0x55c86e297290) at
../gst/gsttask.c:384
#4  0x00007f559e73cd24 in g_thread_pool_thread_proxy (data=<optimized out>) at
../glib/gthreadpool.c:354
#5  0x00007f559e73c41e in g_thread_proxy (data=0x55c86bef7860) at
../glib/gthread.c:827
#6  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#7  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 8 (Thread 0x7f5567b5e640 (LWP 7085) "queue4:src"):
#1  0x00007f559e76579f in g_cond_wait (cond=cond@entry=0x55c86e27b230,
mutex=mutex@entry=0x55c86e27b220) at ../glib/gthread-posix.c:1575
#2  0x00007f5567fd5fa9 in gst_queue_loop (pad=<optimized out>) at
../plugins/elements/gstqueue.c:1527
#3  0x00007f559e9075bf in gst_task_func (task=0x55c86e297170) at
../gst/gsttask.c:384
#4  0x00007f559e73cd24 in g_thread_pool_thread_proxy (data=<optimized out>) at
../glib/gthreadpool.c:354
#5  0x00007f559e73c41e in g_thread_proxy (data=0x55c86bef78c0) at
../glib/gthread.c:827
#6  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#7  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 7 (Thread 0x7f5588ba1640 (LWP 7079) "kamoso"):
#1  0x00007f559e7120be in g_main_context_poll (priority=<optimized out>,
n_fds=2, fds=0x7f557c007da0, timeout=<optimized out>, context=0x55c86bf09320)
at ../glib/gmain.c:4478
#2  g_main_context_iterate (context=0x55c86bf09320, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4170
#3  0x00007f559e712413 in g_main_loop_run (loop=loop@entry=0x55c86bef8970) at
../glib/gmain.c:4373
#4  0x00007f5588c4616b in provider_thread (data=0x55c86bc079e0) at
../sys/v4l2/gstv4l2deviceprovider.c:403
#5  0x00007f559e73c41e in g_thread_proxy (data=0x7f5578002300) at
../glib/gthread.c:827
#6  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#7  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7f5589f44640 (LWP 7078) "QQmlThread"):
#1  0x00007f559e7120be in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f55780039c0, timeout=<optimized out>, context=0x7f5578000c20)
at ../glib/gmain.c:4478
#2  g_main_context_iterate (context=context@entry=0x7f5578000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../glib/gmain.c:4170
#3  0x00007f559e7121df in g_main_context_iteration (context=0x7f5578000c20,
may_block=1) at ../glib/gmain.c:4240
#4  0x00007f559ecce276 in QEventDispatcherGlib::processEvents
(this=0x7f5578000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f559ec7572b in QEventLoop::exec (this=this@entry=0x7f5589f43b20,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f559ea90cbe in QThread::exec (this=this@entry=0x55c86bc625e0) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f55a04f9cc5 in QQmlThreadPrivate::run (this=0x55c86bc625e0) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/qml/qml/ftw/qqmlthread.cpp:155
#8  0x00007f559ea91df1 in QThreadPrivate::start (arg=0x55c86bc625e0) at
thread/qthread_unix.cpp:329
#9  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#10 0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7f559148e640 (LWP 7077) "QQmlThread"):
#1  __GI___libc_read (fd=20, buf=buf@entry=0x7f559148d900,
nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f559e76012f in read (__nbytes=16, __buf=0x7f559148d900,
__fd=<optimized out>) at /usr/include/bits/unistd.h:47
#3  g_wakeup_acknowledge (wakeup=0x55c86bc20570) at ../glib/gwakeup.c:210
#4  0x00007f559e711a2a in g_main_context_check
(context=context@entry=0x7f5580000c20, max_priority=2147483647,
fds=fds@entry=0x7f55800039c0, n_fds=n_fds@entry=1) at ../glib/gmain.c:3927
#5  0x00007f559e712065 in g_main_context_iterate
(context=context@entry=0x7f5580000c20, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4172
#6  0x00007f559e7121df in g_main_context_iteration (context=0x7f5580000c20,
may_block=1) at ../glib/gmain.c:4240
#7  0x00007f559ecce276 in QEventDispatcherGlib::processEvents
(this=0x7f5580000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007f559ec7572b in QEventLoop::exec (this=this@entry=0x7f559148db20,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#9  0x00007f559ea90cbe in QThread::exec (this=this@entry=0x55c86bdabd30) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#10 0x00007f55a04f9cc5 in QQmlThreadPrivate::run (this=0x55c86bdabd30) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/qml/qml/ftw/qqmlthread.cpp:155
#11 0x00007f559ea91df1 in QThreadPrivate::start (arg=0x55c86bdabd30) at
thread/qthread_unix.cpp:329
#12 0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#13 0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7f5592dee640 (LWP 7076) "QQmlThread"):
#1  __GI___libc_read (fd=9, buf=buf@entry=0x7f5592ded900,
nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f559e76012f in read (__nbytes=16, __buf=0x7f5592ded900,
__fd=<optimized out>) at /usr/include/bits/unistd.h:47
#3  g_wakeup_acknowledge (wakeup=0x55c86bc10d80) at ../glib/gwakeup.c:210
#4  0x00007f559e711a2a in g_main_context_check
(context=context@entry=0x7f5584000c20, max_priority=2147483647,
fds=fds@entry=0x7f5584003190, n_fds=n_fds@entry=1) at ../glib/gmain.c:3927
#5  0x00007f559e712065 in g_main_context_iterate
(context=context@entry=0x7f5584000c20, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4172
#6  0x00007f559e7121df in g_main_context_iteration (context=0x7f5584000c20,
may_block=1) at ../glib/gmain.c:4240
#7  0x00007f559ecce276 in QEventDispatcherGlib::processEvents
(this=0x7f5584000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007f559ec7572b in QEventLoop::exec (this=this@entry=0x7f5592dedb20,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#9  0x00007f559ea90cbe in QThread::exec (this=this@entry=0x55c86bc53b30) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#10 0x00007f55a04f9cc5 in QQmlThreadPrivate::run (this=0x55c86bc53b30) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/qml/qml/ftw/qqmlthread.cpp:155
#11 0x00007f559ea91df1 in QThreadPrivate::start (arg=0x55c86bc53b30) at
thread/qthread_unix.cpp:329
#12 0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#13 0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7f5593fff640 (LWP 7055) "QDBusConnection"):
#1  0x00007f559e7120be in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f558c004e60, timeout=<optimized out>, context=0x7f558c000c20)
at ../glib/gmain.c:4478
#2  g_main_context_iterate (context=context@entry=0x7f558c000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../glib/gmain.c:4170
#3  0x00007f559e7121df in g_main_context_iteration (context=0x7f558c000c20,
may_block=1) at ../glib/gmain.c:4240
#4  0x00007f559ecce276 in QEventDispatcherGlib::processEvents
(this=0x7f558c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f559ec7572b in QEventLoop::exec (this=this@entry=0x7f5593ffeb10,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f559ea90cbe in QThread::exec (this=this@entry=0x7f559d9a9440
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f559d930287 in QDBusConnectionManager::run (this=0x7f559d9a9440
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#8  0x00007f559ea91df1 in QThreadPrivate::start (arg=0x7f559d9a9440 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:329
#9  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#10 0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f55997b7640 (LWP 7054) "QXcbEventQueue"):
#1  0x00007f559c4c7892 in poll (__timeout=-1, __nfds=1, __fds=0x7f55997b6a48)
at /usr/include/bits/poll2.h:48
#2  _xcb_conn_wait (c=0x55c86b8b2cf0, vector=0x0, count=0x0, cond=<optimized
out>) at /usr/src/debug/libxcb-1.14-1.7.x86_64/src/xcb_conn.c:480
#3  0x00007f559c4c92ac in _xcb_conn_wait (count=0x0, vector=0x0,
cond=0x55c86b8b2d30, c=0x55c86b8b2cf0) at
/usr/src/debug/libxcb-1.14-1.7.x86_64/src/xcb_conn.c:446
#4  xcb_wait_for_event (c=0x55c86b8b2cf0) at
/usr/src/debug/libxcb-1.14-1.7.x86_64/src/xcb_in.c:697
#5  0x00007f5599902cb0 in QXcbEventQueue::run (this=0x55c86b8a71b0) at
qxcbeventqueue.cpp:228
#6  0x00007f559ea91df1 in QThreadPrivate::start (arg=0x55c86b8a71b0) at
thread/qthread_unix.cpp:329
#7  0x00007f559e2fb427 in start_thread (arg=<optimized out>) at
pthread_create.c:435
#8  0x00007f559e384810 in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7f559bdd89c0 (LWP 7053) "kamoso"):
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x55c86c6f18f0,
expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0,
private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f559e2f7baf in __GI___futex_abstimed_wait_cancelable64
(futex_word=futex_word@entry=0x55c86c6f18f0, expected=expected@entry=0,
clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at
futex-internal.c:139
#3  0x00007f559e2fa760 in __pthread_cond_wait_common (abstime=0x0, clockid=0,
mutex=0x55c86c6f18a0, cond=0x55c86c6f18c8) at pthread_cond_wait.c:504
#4  ___pthread_cond_wait (cond=0x55c86c6f18c8, mutex=0x55c86c6f18a0) at
pthread_cond_wait.c:619
#5  0x00007f559ea97c4b in QWaitConditionPrivate::wait (deadline=...,
deadline=..., this=0x55c86c6f18a0) at thread/qwaitcondition_unix.cpp:146
#6  QWaitCondition::wait (this=<optimized out>, mutex=0x55c86c83d6e8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#7  0x00007f55a09cc8ea in QSGThreadedRenderLoop::polishAndSync
(this=0x55c86bc7ebb0, w=0x55c86c664cb0, inExpose=<optimized out>) at
/usr/include/qt5/QtCore/qdeadlinetimer.h:68
#8  0x00007f55a0a38e2f in QQuickWindow::event (this=0x55c86bb14e00,
e=0x7ffe71709520) at
/usr/src/debug/libqt5-qtdeclarative-5.15.2+kde36-1.5.x86_64/src/quick/items/qquickwindow.cpp:1858
#9  0x00007f559f8c9a7f in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x55c86bb14e00, e=0x7ffe71709520) at
kernel/qapplication.cpp:3632
#10 0x00007f559ec76d2a in QCoreApplication::notifyInternal2
(receiver=0x55c86bb14e00, event=0x7ffe71709520) at
kernel/qcoreapplication.cpp:1064
#11 0x00007f559f164794 in QPlatformWindow::deliverUpdateRequest
(this=<optimized out>) at kernel/qplatformwindow.cpp:789
#12 QPlatformWindow::windowEvent (this=<optimized out>, event=<optimized out>)
at kernel/qplatformwindow.cpp:476
#13 0x00007f559f8d0b76 in QApplication::notify (this=0x7ffe71709af0,
receiver=0x55c86bb14e00, e=0x7ffe717097b0) at kernel/qapplication.cpp:2874
#14 0x00007f559ec76d2a in QCoreApplication::notifyInternal2
(receiver=0x55c86bb14e00, event=0x7ffe717097b0) at
kernel/qcoreapplication.cpp:1064
#15 0x00007f559eccd5ab in QTimerInfoList::activateTimers
(this=this@entry=0x55c86b8f2440) at kernel/qtimerinfo_unix.cpp:643
#16 0x00007f559eccde44 in timerSourceDispatch
(source=source@entry=0x55c86b8f23e0) at kernel/qeventdispatcher_glib.cpp:183
#17 0x00007f559e711d9f in g_main_dispatch (context=0x7f5594005000) at
../glib/gmain.c:3381
#18 g_main_context_dispatch (context=0x7f5594005000) at ../glib/gmain.c:4099
#19 0x00007f559e712128 in g_main_context_iterate
(context=context@entry=0x7f5594005000, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4175
#20 0x00007f559e7121df in g_main_context_iteration (context=0x7f5594005000,
may_block=1) at ../glib/gmain.c:4240
#21 0x00007f559ecce204 in QEventDispatcherGlib::processEvents
(this=0x55c86b8f1f90, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#22 0x00007f559ec7572b in QEventLoop::exec (this=this@entry=0x7ffe717099f0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#23 0x00007f559ec7da10 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#24 0x00007f559f16919c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1867
#25 0x00007f559f8c99f5 in QApplication::exec () at kernel/qapplication.cpp:2824
#26 0x000055c869dcc197 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/kamoso-21.12.0-127.4.x86_64/src/main.cpp:47
[Inferior 1 (process 7053) detached]

Possible duplicates by query: bug 445712, bug 440887, bug 437675, bug 434191,
bug 424348.

Reported using DrKonqi

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