Application: systemsettings5 (5.18.3)

Qt Version: 5.12.5
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-21-generic x86_64
Windowing system: X11
Distribution: Ubuntu Focal Fossa (development branch)

-- Information about the crash:
Hi 

systemsettings5 crashes always also on a new account.
THis is on Ubuntu Focal Fossa.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f159cd30800 (LWP 6082))]

Thread 8 (Thread 0x7f1586580700 (LWP 6091)):
#0  0x00007f15a0c3e9bf in __GI___poll (fds=0x7f15680029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f159ef191ae in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f15680029e0, timeout=<optimized out>, context=0x7f1568000c30) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f1568000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f159ef192e3 in g_main_context_iteration (context=0x7f1568000c30, may_block=1) at ../../../glib/gmain.c:4108
#4  0x00007f15a11d98c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f15a118082b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f15a0fb9775 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f15a026f3a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f15a0fba9c2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f159f7fd609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f15a0c4b153 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f15908dc700 (LWP 6090)):
#0  __GI___libc_read (nbytes=16, buf=0x7f15908dbb70, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=15, buf=buf@entry=0x7f15908dbb70, nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f159ef6189f in read (__nbytes=16, __buf=0x7f15908dbb70, __fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  g_wakeup_acknowledge (wakeup=0x7f158c0039a0) at ../../../glib/gwakeup.c:210
#4  0x00007f159ef18cfe in g_main_context_check (context=context@entry=0x7f1574000c30, max_priority=2147483647, fds=fds@entry=0x7f15740025e0, n_fds=n_fds@entry=1) at ../../../glib/gmain.c:3825
#5  0x00007f159ef19152 in g_main_context_iterate (context=context@entry=0x7f1574000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044
#6  0x00007f159ef192e3 in g_main_context_iteration (context=0x7f1574000c30, may_block=1) at ../../../glib/gmain.c:4108
#7  0x00007f15a11d98c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f15a118082b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f15a0fb9775 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f15a026f3a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f15a0fba9c2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f159f7fd609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#13 0x00007f15a0c4b153 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f1591980700 (LWP 6088)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559e437675d8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559e43767588, cond=0x559e437675b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x559e437675b0, mutex=0x559e43767588) at pthread_cond_wait.c:638
#3  0x00007f1592dff34b in cnd_wait (mtx=0x559e43767588, cond=0x559e437675b0) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x559e4362e190) at ../src/util/u_queue.c:275
#5  0x00007f1592dfef5b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f159f7fd609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f15a0c4b153 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f1592181700 (LWP 6087)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559e437675d8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559e43767588, cond=0x559e437675b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x559e437675b0, mutex=0x559e43767588) at pthread_cond_wait.c:638
#3  0x00007f1592dff34b in cnd_wait (mtx=0x559e43767588, cond=0x559e437675b0) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x559e434c2770) at ../src/util/u_queue.c:275
#5  0x00007f1592dfef5b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f159f7fd609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f15a0c4b153 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f1592982700 (LWP 6086)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559e437675d8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559e43767588, cond=0x559e437675b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x559e437675b0, mutex=0x559e43767588) at pthread_cond_wait.c:638
#3  0x00007f1592dff34b in cnd_wait (mtx=0x559e43767588, cond=0x559e437675b0) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x559e435a6960) at ../src/util/u_queue.c:275
#5  0x00007f1592dfef5b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f159f7fd609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f15a0c4b153 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1598f28700 (LWP 6085)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x559e437675d8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559e43767588, cond=0x559e437675b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x559e437675b0, mutex=0x559e43767588) at pthread_cond_wait.c:638
#3  0x00007f1592dff34b in cnd_wait (mtx=0x559e43767588, cond=0x559e437675b0) at ../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x559e434c28a0) at ../src/util/u_queue.c:275
#5  0x00007f1592dfef5b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#6  0x00007f159f7fd609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f15a0c4b153 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f159acf9700 (LWP 6084)):
#0  0x00007f15a0c3e9bf in __GI___poll (fds=0x7f158c0029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f159ef191ae in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f158c0029e0, timeout=<optimized out>, context=0x7f158c000c30) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f158c000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f159ef192e3 in g_main_context_iteration (context=0x7f158c000c30, may_block=1) at ../../../glib/gmain.c:4108
#4  0x00007f15a11d98c3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f15a118082b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f15a0fb9775 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f15a145befa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f15a0fba9c2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f159f7fd609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f15a0c4b153 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f159cd30800 (LWP 6082)):
[KCrash Handler]
#6  0x00007f15934a31a8 in iris_resource_bo (p_res=0x0) at ../src/gallium/drivers/iris/iris_resource.h:290
#7  stream_state (batch=0x559e443b7650, uploader=<optimized out>, size=12, alignment=alignment@entry=64, out_offset=out_offset@entry=0x7ffde7f72aec, out_bo=out_bo@entry=0x0) at ../src/gallium/drivers/iris/iris_blorp.c:62
#8  0x00007f15934a42ab in blorp_alloc_dynamic_state (blorp_batch=0x7ffde7f73400, blorp_batch=0x7ffde7f73400, offset=0x7ffde7f72aec, alignment=64, size=<optimized out>) at ../src/gallium/drivers/iris/iris_blorp.c:138
#9  blorp_emit_blend_state (params=0x7ffde7f72ca0, batch=0x7ffde7f73400) at ../src/intel/blorp/blorp_genX_exec.h:1074
#10 blorp_emit_pipeline (params=0x7ffde7f72ca0, batch=0x7ffde7f73400) at ../src/intel/blorp/blorp_genX_exec.h:1265
#11 blorp_exec (params=<optimized out>, batch=0x7ffde7f73400) at ../src/intel/blorp/blorp_genX_exec.h:1968
#12 iris_blorp_exec (blorp_batch=0x7ffde7f73400, params=<optimized out>) at ../src/gallium/drivers/iris/iris_blorp.c:310
#13 0x00007f1593668674 in blorp_clear (batch=batch@entry=0x7ffde7f73400, surf=surf@entry=0x7ffde7f73430, format=ISL_FORMAT_B8G8R8X8_UNORM, swizzle=..., swizzle@entry=..., level=level@entry=0, start_layer=0, num_layers=1, x0=0, y0=0, x1=1024, y1=700, clear_color=..., color_write_disable=0x7ffde7f73420) at ../src/intel/blorp/blorp_clear.c:560
#14 0x00007f159347f7cd in clear_color (ice=ice@entry=0x559e443b70e0, p_res=<optimized out>, level=<optimized out>, box=box@entry=0x7ffde7f73520, render_condition_enabled=render_condition_enabled@entry=true, format=<optimized out>, swizzle=..., color=...) at ../src/gallium/drivers/iris/iris_clear.c:388
#15 0x00007f1593480405 in iris_clear (ctx=0x559e443b70e0, buffers=4, p_color=0x559e443c6c54, depth=<optimized out>, stencil=<optimized out>) at ../src/gallium/drivers/iris/iris_clear.c:677
#16 0x00007f1592abf734 in st_Clear (ctx=0x559e443c4b20, mask=2) at ../src/mesa/state_tracker/st_cb_clear.c:513
#17 0x00007f15a19142f8 in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, bool) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f159c663f18 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#19 0x00007f15a1c44e54 in QWidgetBackingStore::qt_flush (widgetBackingStore=<optimized out>, widgetTextures=0x559e442894f0, tlw=<optimized out>, backingStore=<optimized out>, region=..., widget=0x559e4346d1f0) at kernel/qwidgetbackingstore.cpp:159
#20 QWidgetBackingStore::qt_flush (widget=0x559e4346d1f0, region=..., backingStore=<optimized out>, tlw=<optimized out>, widgetTextures=<optimized out>, widgetBackingStore=<optimized out>) at kernel/qwidgetbackingstore.cpp:88
#21 0x00007f15a1c46888 in QWidgetBackingStore::flush (this=this@entry=0x559e435ae560, widget=widget@entry=0x0) at kernel/qwidgetbackingstore.cpp:1448
#22 0x00007f15a1c47ec1 in QWidgetBackingStore::endPaint (beginPaintInfo=<synthetic pointer>, backingStore=<optimized out>, cleaned=..., this=0x559e435ae560) at kernel/qwidgetbackingstore.cpp:368
#23 QWidgetBackingStore::doSync (this=<optimized out>) at kernel/qwidgetbackingstore.cpp:1432
#24 0x00007f15a1c480fa in QWidgetBackingStore::sync (this=0x559e435ae560, exposedWidget=0x559e4346d1f0, exposedRegion=...) at kernel/qwidgetbackingstore.cpp:1184
#25 0x00007f15a1c6040b in QWidgetPrivate::syncBackingStore (this=this@entry=0x559e43484530, region=...) at ../../include/QtWidgets/5.12.5/QtWidgets/private/../../../../../src/widgets/kernel/qwidget_p.h:305
#26 0x00007f15a1c9681c in QWidgetWindow::handleExposeEvent (this=<optimized out>, event=0x7ffde7f73f40) at ../../include/QtGui/../../src/gui/kernel/qevent.h:442
#27 0x00007f15a1c97210 in QWidgetWindow::event (event=0x7ffde7f73f40, this=0x559e437736b0) at kernel/qwidgetwindow.cpp:328
#28 QWidgetWindow::event (this=0x559e437736b0, event=0x7ffde7f73f40) at kernel/qwidgetwindow.cpp:224
#29 0x00007f15a1c35a66 in QApplicationPrivate::notify_helper (this=this@entry=0x559e43366e80, receiver=receiver@entry=0x559e437736b0, e=e@entry=0x7ffde7f73f40) at kernel/qapplication.cpp:3700
#30 0x00007f15a1c3f0e0 in QApplication::notify (this=0x7ffde7f74300, receiver=0x559e437736b0, e=0x7ffde7f73f40) at kernel/qapplication.cpp:3446
#31 0x00007f15a1181c8a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f15a1607c06 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#33 0x00007f15a1607e34 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#34 0x00007f15a15e228b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#35 0x00007f159c67123e in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#36 0x00007f159ef18fbd in g_main_dispatch (context=0x7f1594005010) at ../../../glib/gmain.c:3309
#37 g_main_context_dispatch (context=context@entry=0x7f1594005010) at ../../../glib/gmain.c:3974
#38 0x00007f159ef19240 in g_main_context_iterate (context=context@entry=0x7f1594005010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#39 0x00007f159ef192e3 in g_main_context_iteration (context=0x7f1594005010, may_block=1) at ../../../glib/gmain.c:4108
#40 0x00007f15a11d98a5 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f15a118082b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f15a1188596 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x0000559e4269d856 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:70
[Inferior 1 (process 6082) detached]

Reported using DrKonqi