[kde] [Bug 347472] New: System Settings Crashed on Workspace Theme

[William Speirs]

https://bugs.kde.org/show_bug.cgi?id=347472

            Bug ID: 347472
           Summary: System Settings Crashed on Workspace Theme
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: bill.speirs at gmail.com

Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
I simply started System Settings and clicked on Workspace Theme and it crashed.
Happened twice, back-to-back now.

The crash can be reproduced every time.

-- 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 0x7f2c6858a780 (LWP 26193))]

Thread 3 (Thread 0x7f2c55d95700 (LWP 26194)):
#0  0x00007f2c64cfb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2c63015b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2c6301764f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f2c58b56099 in QXcbEventReader::run (this=0x1a3da20) at
qxcbconnection.cpp:1105
#4  0x00007f2c6537cb0e in QThreadPrivate::start (arg=0x1a3da20) at
thread/qthread_unix.cpp:337
#5  0x00007f2c61f2f6aa in start_thread (arg=0x7f2c55d95700) at
pthread_create.c:333
#6  0x00007f2c64d06eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f2c47292700 (LWP 26197)):
#0  0x00007f2c61a557a4 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2c61a108b9 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2c61a10e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2c61a10fcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2c65613c6c in QEventDispatcherGlib::processEvents
(this=0x7f2c400008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f2c655b83e2 in QEventLoop::exec (this=this at entry=0x7f2c47291e20,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f2c65377b44 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#7  0x00007f2c64342f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f2c6537cb0e in QThreadPrivate::start (arg=0x1d45e50) at
thread/qthread_unix.cpp:337
#9  0x00007f2c61f2f6aa in start_thread (arg=0x7f2c47292700) at
pthread_create.c:333
#10 0x00007f2c64d06eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f2c6858a780 (LWP 26193)):
[KCrash Handler]
#6  0x00007f2c64c35267 in __GI_raise (sig=sig at entry=6) at
../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f2c64c36eca in __GI_abort () at abort.c:89
#8  0x00007f2c65369edf in qt_message_fatal (context=..., message=...) at
global/qlogging.cpp:1415
#9  QMessageLogger::fatal (this=0x7ffc54d94ab0, msg=<optimized out>) at
global/qlogging.cpp:636
#10 0x00007f2c63dea791 in
QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f2c63df406f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f2c63df430a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f2c65df27b5 in QWindow::event (this=0x1e416b0, ev=<optimized out>)
at kernel/qwindow.cpp:2051
#14 0x00007f2c63e25dd3 in QQuickWindow::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f2c663a6b2c in QApplicationPrivate::notify_helper (this=0x1a10550,
receiver=0x1e416b0, e=0x7ffc54d94f30) at kernel/qapplication.cpp:3720
#16 0x00007f2c663ac000 in QApplication::notify (this=0x7ffc54d95330,
receiver=0x1e416b0, e=0x7ffc54d94f30) at kernel/qapplication.cpp:3503
#17 0x00007f2c655bac2b in QCoreApplication::notifyInternal
(this=0x7ffc54d95330, receiver=receiver at entry=0x1e416b0,
event=event at entry=0x7ffc54d94f30) at kernel/qcoreapplication.cpp:935
#18 0x00007f2c65deae86 in sendSpontaneousEvent (event=0x7ffc54d94f30,
receiver=0x1e416b0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QGuiApplicationPrivate::processExposeEvent (e=0x1bd5120) at
kernel/qguiapplication.cpp:2613
#20 0x00007f2c65debbbd in QGuiApplicationPrivate::processWindowSystemEvent
(e=e at entry=0x1bd5120) at kernel/qguiapplication.cpp:1638
#21 0x00007f2c65dd034f in QWindowSystemInterface::sendWindowSystemEvents
(flags=...) at kernel/qwindowsysteminterface.cpp:572
#22 0x00007f2c58b80590 in userEventSourceDispatch (source=<optimized out>) at
eventdispatchers/qeventdispatcher_glib.cpp:70
#23 0x00007f2c61a10c3d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f2c61a10f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f2c61a10fcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f2c65613c57 in QEventDispatcherGlib::processEvents (this=0x1a7fba0,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#27 0x00007f2c655b83e2 in QEventLoop::exec (this=this at entry=0x7ffc54d95210,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#28 0x00007f2c655c002c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#29 0x00007f2c65de131c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#30 0x00007f2c663a27a5 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

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