[kde] [Bug 345611] New: Keyboard Layout Preview Crash

Sat Mar 28 11:14:05 GMT 2015

https://bugs.kde.org/show_bug.cgi?id=345611

            Bug ID: 345611
           Summary: Keyboard Layout Preview Crash
           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: spielbuerste at gmail.com

Application: systemsettings5 (5.2.90)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-10-generic x86_64
Distribution: Ubuntu Vivid Vervet (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
changing input method -> wantet to preview layout after changing variant

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 0x7f2e54e13780 (LWP 18958))]

Thread 2 (Thread 0x7f2e4441b700 (LWP 18959)):
#0  0x00007f2e5157a8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2e4f894b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2e4f89664f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f2e46966049 in QXcbEventReader::run (this=0x11bb610) at
qxcbconnection.cpp:1105
#4  0x00007f2e51bfbb0e in QThreadPrivate::start (arg=0x11bb610) at
thread/qthread_unix.cpp:337
#5  0x00007f2e4e7ae6aa in start_thread (arg=0x7f2e4441b700) at
pthread_create.c:333
#6  0x00007f2e51585eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f2e54e13780 (LWP 18958)):
[KCrash Handler]
#6  QList (l=..., this=0x7ffced79f340) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:746
#7  QForeachContainer (t=..., this=0x7ffced79f340) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:869
#8  KCMKeyboardWidget::previewLayout (this=0x1c0f2e0) at
../../../kcms/keyboard/kcm_keyboard_widget.cpp:380
#9  0x00007f2e34c5a7ed in KCMKeyboardWidget::qt_static_metacall (_o=<optimized
out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at
moc_kcm_keyboard_widget.cpp:135
#10 0x00007f2e51e6a999 in QMetaObject::activate (sender=sender at entry=0x1c275d0,
signalOffset=<optimized out>, local_signal_index=local_signal_index at entry=2,
argv=argv at entry=0x7ffced79f500) at kernel/qobject.cpp:3716
#11 0x00007f2e51e6b027 in QMetaObject::activate (sender=sender at entry=0x1c275d0,
m=m at entry=0x7f2e5315fa60 <QAbstractButton::staticMetaObject>,
local_signal_index=local_signal_index at entry=2, argv=argv at entry=0x7ffced79f500)
at kernel/qobject.cpp:3582
#12 0x00007f2e52fd4012 in QAbstractButton::clicked (this=this at entry=0x1c275d0,
_t1=false) at .moc/moc_qabstractbutton.cpp:298
#13 0x00007f2e52d21675 in QAbstractButtonPrivate::emitClicked (this=0x1c28870)
at widgets/qabstractbutton.cpp:534
#14 0x00007f2e52d22299 in QAbstractButtonPrivate::click (this=0x1c28870) at
widgets/qabstractbutton.cpp:527
#15 0x00007f2e52d22454 in QAbstractButton::mouseReleaseEvent (this=0x1c275d0,
e=0x7ffced79f9c0) at widgets/qabstractbutton.cpp:1132
#16 0x00007f2e52c691e8 in QWidget::event (this=0x1c275d0, event=0x7ffced79f9c0)
at kernel/qwidget.cpp:9022
#17 0x00007f2e52c25b2c in QApplicationPrivate::notify_helper (this=0x11a4b10,
receiver=0x1c275d0, e=0x7ffced79f9c0) at kernel/qapplication.cpp:3720
#18 0x00007f2e52c2b8eb in QApplication::notify (this=0x7ffced79f700,
receiver=0x7ffced79f720, e=0x7ffced79f9c0) at kernel/qapplication.cpp:3280
#19 0x00007f2e51e39bfb in QCoreApplication::notifyInternal
(this=0x7ffced7a0290, receiver=receiver at entry=0x1c275d0,
event=event at entry=0x7ffced79f9c0) at kernel/qcoreapplication.cpp:935
#20 0x00007f2e52c2a3da in sendSpontaneousEvent (event=0x7ffced79f9c0,
receiver=0x1c275d0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QApplicationPrivate::sendMouseEvent (receiver=0x1c275d0,
event=0x7ffced79f9c0, alienWidget=0x1c275d0, nativeWidget=0x1285640,
buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:2751
#22 0x00007f2e52c81cc0 in QWidgetWindow::handleMouseEvent (this=0x1349b50,
event=0x7ffced79fdd0) at kernel/qwidgetwindow.cpp:543
#23 0x00007f2e52c83e33 in QWidgetWindow::event (this=0x1349b50,
event=0x7ffced79fdd0) at kernel/qwidgetwindow.cpp:210
#24 0x00007f2e52c25b2c in QApplicationPrivate::notify_helper (this=0x11a4b10,
receiver=0x1349b50, e=0x7ffced79fdd0) at kernel/qapplication.cpp:3720
#25 0x00007f2e52c2b000 in QApplication::notify (this=0x7ffced7a0290,
receiver=0x1349b50, e=0x7ffced79fdd0) at kernel/qapplication.cpp:3503
#26 0x00007f2e51e39bfb in QCoreApplication::notifyInternal
(this=0x7ffced7a0290, receiver=0x1349b50, event=0x7ffced79fdd0) at
kernel/qcoreapplication.cpp:935
#27 0x00007f2e52668f82 in sendSpontaneousEvent (event=<optimized out>,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#28 QGuiApplicationPrivate::processMouseEvent (e=0x1cd84e0) at
kernel/qguiapplication.cpp:1774
#29 0x00007f2e5266ab45 in QGuiApplicationPrivate::processWindowSystemEvent
(e=e at entry=0x1cd84e0) at kernel/qguiapplication.cpp:1576
#30 0x00007f2e5264f34f in QWindowSystemInterface::sendWindowSystemEvents
(flags=...) at kernel/qwindowsysteminterface.cpp:572
#31 0x00007f2e469904f0 in userEventSourceDispatch (source=<optimized out>) at
eventdispatchers/qeventdispatcher_glib.cpp:70
#32 0x00007f2e4e28fc3d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f2e4e28ff20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f2e4e28ffcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f2e51e92be7 in QEventDispatcherGlib::processEvents (this=0x11eb7f0,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#36 0x00007f2e51e373b2 in QEventLoop::exec (this=this at entry=0x7ffced7a0170,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#37 0x00007f2e51e3effc in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#38 0x00007f2e5266031c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#39 0x00007f2e52c217a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#40 0x000000000040ef6b in main (argc=1, argv=<optimized out>) at
../../app/main.cpp:55

Reported using DrKonqi

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