Bug 346524

Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
Upgraded 14.10 to 15.04
Opened System Settings
Opened Desktop Themes

Desktop Themes crashed on open

Konsole and Instant Messenger were open at the time
System has two monitors attached.

Kubuntu install

-- Backtrace:
Application: System Settings (systemsettings5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4a71ff0780 (LWP 27427))]

Thread 3 (Thread 0x7f4a5f81d700 (LWP 27428)):
#0  0x00007f4a6e7558dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4a6ca6fb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4a6ca7164f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4a625b0099 in QXcbEventReader::run (this=0x782920) at qxcbconnection.cpp:1105
#4  0x00007f4a6edd6b0e in QThreadPrivate::start (arg=0x782920) at thread/qthread_unix.cpp:337
#5  0x00007f4a6b9896aa in start_thread (arg=0x7f4a5f81d700) at pthread_create.c:333
#6  0x00007f4a6e760eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f4a50d4b700 (LWP 27432)):
#0  0x00007f4a6e7558dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f4a6b46aebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4a6b46afcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4a6f06dc6c in QEventDispatcherGlib::processEvents (this=0x7f4a4c0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f4a6f0123e2 in QEventLoop::exec (this=this@entry=0x7f4a50d4ae20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f4a6edd1b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f4a6dd9cf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f4a6edd6b0e in QThreadPrivate::start (arg=0xb780c0) at thread/qthread_unix.cpp:337
#8  0x00007f4a6b9896aa in start_thread (arg=0x7f4a50d4b700) at pthread_create.c:333
#9  0x00007f4a6e760eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f4a71ff0780 (LWP 27427)):
[KCrash Handler]
#6  0x00007f4a6e68f267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f4a6e690eca in __GI_abort () at abort.c:89
#8  0x00007f4a6edc3edf in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1415
#9  QMessageLogger::fatal (this=0x7ffdd23cddd0, msg=<optimized out>) at global/qlogging.cpp:636
#10 0x00007f4a6d844791 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f4a6d84e06f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f4a6d84e30a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f4a6f84c7b5 in QWindow::event (this=0xb82800, ev=<optimized out>) at kernel/qwindow.cpp:2051
#14 0x00007f4a6d87fdd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f4a6fe00b2c in QApplicationPrivate::notify_helper (this=0x754550, receiver=0xb82800, e=0x7ffdd23ce250) at kernel/qapplication.cpp:3720
#16 0x00007f4a6fe06000 in QApplication::notify (this=0x7ffdd23ce650, receiver=0xb82800, e=0x7ffdd23ce250) at kernel/qapplication.cpp:3503
#17 0x00007f4a6f014c2b in QCoreApplication::notifyInternal (this=0x7ffdd23ce650, receiver=receiver@entry=0xb82800, event=event@entry=0x7ffdd23ce250) at kernel/qcoreapplication.cpp:935
#18 0x00007f4a6f844e86 in sendSpontaneousEvent (event=0x7ffdd23ce250, receiver=0xb82800) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QGuiApplicationPrivate::processExposeEvent (e=0x9b9d20) at kernel/qguiapplication.cpp:2613
#20 0x00007f4a6f845bbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x9b9d20) at kernel/qguiapplication.cpp:1638
#21 0x00007f4a6f82a34f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#22 0x00007f4a625da590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#23 0x00007f4a6b46ac3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f4a6b46af20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f4a6b46afcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f4a6f06dc57 in QEventDispatcherGlib::processEvents (this=0x7cf380, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#27 0x00007f4a6f0123e2 in QEventLoop::exec (this=this@entry=0x7ffdd23ce530, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#28 0x00007f4a6f01a02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#29 0x00007f4a6f83b31c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#30 0x00007f4a6fdfc7a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#31 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi