Application: systemsettings5 (5.4.0)

Qt Version: 5.4.2
Operating System: Linux 4.1.5-gentoo x86_64
Distribution: "Gentoo Base System release 2.2"

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

I did exactly as the original reporter in bug #344651 - changed some display settings and then did not apply it, but close systemsettings instead.

I could not attach my information to the original report, because the "Suggest this crash is related" does absolutely nothing.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f528fd2a800 (LWP 21802))]

Thread 5 (Thread 0x7f52775b2700 (LWP 21803)):
#0  0x00007f528b7a783f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f5287873adb in cnd_wait (mtx=0x17927a8, cond=0x17927d0) at /var/tmp/portage/media-libs/mesa-11.0.0_rc1/work/mesa-11.0.0-rc1/include/c11/threads_posix.h:154
#2  pipe_semaphore_wait (sema=0x17927a8) at /var/tmp/portage/media-libs/mesa-11.0.0_rc1/work/mesa-11.0.0-rc1/src/gallium/auxiliary/os/os_thread.h:259
#3  radeon_drm_cs_emit_ioctl (param=param@entry=0x1792460) at /var/tmp/portage/media-libs/mesa-11.0.0_rc1/work/mesa-11.0.0-rc1/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c:648
#4  0x00007f5287873167 in impl_thrd_routine (p=<optimized out>) at /var/tmp/portage/media-libs/mesa-11.0.0_rc1/work/mesa-11.0.0-rc1/include/c11/threads_posix.h:87
#5  0x00007f528b7a22fc in start_thread () from /lib64/libpthread.so.0
#6  0x00007f528d7e92fd in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f5276af9700 (LWP 21804)):
#0  0x00007f528d7e066d in poll () from /lib64/libc.so.6
#1  0x000000308e80a982 in ?? () from /usr/lib64/libxcb.so.1
#2  0x000000308e80c467 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f528fc96419 in QXcbEventReader::run (this=0x17d9900) at qxcbconnection.cpp:1105
#4  0x00000030582a3b06 in QThreadPrivate::start (arg=0x17d9900) at thread/qthread_unix.cpp:337
#5  0x00007f528b7a22fc in start_thread () from /lib64/libpthread.so.0
#6  0x00007f528d7e92fd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f526d98a700 (LWP 22079)):
#0  0x00007f528d7f563f in __libc_enable_asynccancel () from /lib64/libc.so.6
#1  0x00007f528d7e0662 in poll () from /lib64/libc.so.6
#2  0x000000308d04913c in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x000000308d0494aa in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#4  0x0000003097adaf06 in ?? () from /usr/lib64/libgio-2.0.so.0
#5  0x000000308d06eb05 in ?? () from /usr/lib64/libglib-2.0.so.0
#6  0x00007f528b7a22fc in start_thread () from /lib64/libpthread.so.0
#7  0x00007f528d7e92fd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f524592f700 (LWP 22900)):
#0  0x00007f528d7e50c9 in syscall () from /lib64/libc.so.6
#1  0x000000308d08bdbd in g_cond_wait_until () from /usr/lib64/libglib-2.0.so.0
#2  0x000000308d01eaf1 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x000000308d01f0bb in g_async_queue_timeout_pop () from /usr/lib64/libglib-2.0.so.0
#4  0x000000308d06f533 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x000000308d06eb05 in ?? () from /usr/lib64/libglib-2.0.so.0
#6  0x00007f528b7a22fc in start_thread () from /lib64/libpthread.so.0
#7  0x00007f528d7e92fd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f528fd2a800 (LWP 21802)):
[KCrash Handler]
#6  0x00007f528cb24e66 in QQuickItemPrivate::addToDirtyList (this=0x1b9d350) at items/qquickitem.cpp:5631
#7  0x00007f528cb24f10 in QQuickItemPrivate::dirty (this=0x1b9d350, type=<optimized out>) at items/qquickitem.cpp:5615
#8  0x00007f528cb256d6 in QQuickItem::update (this=<optimized out>) at items/qquickitem.cpp:4094
#9  0x00007f528cb2ec0d in QQuickItem::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qquickitem.cpp:595
#10 0x00000030584bdb2a in QObject::event (this=this@entry=0x21510a0, e=e@entry=0x7f5250767470) at kernel/qobject.cpp:1245
#11 0x00007f528cb2d7f3 in QQuickItem::event (this=0x21510a0, ev=0x7f5250767470) at items/qquickitem.cpp:7302
#12 0x000000305a35b23c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#13 0x000000305a3605e8 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#14 0x000000305848db03 in QCoreApplication::notifyInternal (this=0x7ffc1095c400, receiver=0x21510a0, event=event@entry=0x7f5250767470) at kernel/qcoreapplication.cpp:935
#15 0x000000305848fb12 in sendEvent (event=0x7f5250767470, receiver=<optimized out>) at kernel/qcoreapplication.h:228
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1727d60) at kernel/qcoreapplication.cpp:1552
#17 0x0000003058490108 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#18 0x00000030584e36f3 in postEventSourceDispatch (s=0x180c7a0) at kernel/qeventdispatcher_glib.cpp:271
#19 0x000000308d048ec4 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#20 0x000000308d0491a0 in ?? () from /usr/lib64/libglib-2.0.so.0
#21 0x000000308d04924c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#22 0x00000030584e3ac7 in QEventDispatcherGlib::processEvents (this=0x1815b90, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#23 0x000000305848b472 in QEventLoop::exec (this=this@entry=0x7ffc1095c2e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#24 0x0000003058492df4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#25 0x000000000040f5eb in main ()

Possible duplicates by query: bug 351454, bug 351110, bug 350600, bug 348782, bug 347296.

Reported using DrKonqi