Bug 354784

Application: plasmashell (5.4.2)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-16-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
I was trying to disable a jabber account in the configuration settings. At about the same time, the jabber account was trying to connect and failed.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc21e878800 (LWP 2316))]

Thread 10 (Thread 0x7fc20994d700 (LWP 2319)):
#0  0x00007fc21902f8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc21d076bd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fc21d07874f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fc20bc97a39 in QXcbEventReader::run (this=0x26af810) at qxcbconnection.cpp:1105
#4  0x00007fc2197222be in QThreadPrivate::start (arg=0x26af810) at thread/qthread_unix.cpp:337
#5  0x00007fc2188116aa in start_thread (arg=0x7fc20994d700) at pthread_create.c:333
#6  0x00007fc21903aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fc1fcfa0700 (LWP 2347)):
#0  0x00007fc21902f8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc215ddc1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc215ddc2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc21995929b in QEventDispatcherGlib::processEvents (this=0x7fc1f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fc2198ff75a in QEventLoop::exec (this=this@entry=0x7fc1fcf9fda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fc21971d3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fc21bf45f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fc2197222be in QThreadPrivate::start (arg=0x28ddeb0) at thread/qthread_unix.cpp:337
#8  0x00007fc2188116aa in start_thread (arg=0x7fc1fcfa0700) at pthread_create.c:333
#9  0x00007fc21903aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fc1f10ad700 (LWP 2364)):
#0  0x00007fc21902b49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc215e1f4e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc215ddbcd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc215ddc190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc215ddc2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc21995929b in QEventDispatcherGlib::processEvents (this=0x7fc1ec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fc2198ff75a in QEventLoop::exec (this=this@entry=0x7fc1f10acda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fc21971d3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fc21bf45f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fc2197222be in QThreadPrivate::start (arg=0x2c3efa0) at thread/qthread_unix.cpp:337
#10 0x00007fc2188116aa in start_thread (arg=0x7fc1f10ad700) at pthread_create.c:333
#11 0x00007fc21903aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fc1ea7a7700 (LWP 2373)):
#0  0x00007fc215ddc178 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc215ddc2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc21995929b in QEventDispatcherGlib::processEvents (this=0x7fc1dc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#3  0x00007fc2198ff75a in QEventLoop::exec (this=this@entry=0x7fc1ea7a6da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007fc21971d3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007fc21bf45f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fc2197222be in QThreadPrivate::start (arg=0x2d3cba0) at thread/qthread_unix.cpp:337
#7  0x00007fc2188116aa in start_thread (arg=0x7fc1ea7a7700) at pthread_create.c:333
#8  0x00007fc21903aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fc1e8e54700 (LWP 2377)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fc21e2d1114 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fc21e2d1159 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fc2188116aa in start_thread (arg=0x7fc1e8e54700) at pthread_create.c:333
#4  0x00007fc21903aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fc1e23db700 (LWP 2410)):
#0  0x00007fffe03ee949 in ?? ()
#1  0x00007fffe03eec75 in clock_gettime ()
#2  0x00007fc21904938d in __GI___clock_gettime (clock_id=<optimized out>, tp=tp@entry=0x7fc1e23daac0) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007fc2197d33a6 in qt_clock_gettime (ts=0x7fc1e23daac0, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#4  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:161
#5  qt_gettime () at tools/qelapsedtimer_unix.cpp:170
#6  0x00007fc219956d29 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7fc158002cd0) at kernel/qtimerinfo_unix.cpp:84
#7  0x00007fc219957295 in QTimerInfoList::timerWait (this=0x7fc158002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:379
#8  0x00007fc21995867e in timerSourcePrepareHelper (timeout=0x7fc1e23dab94, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#9  timerSourcePrepare (source=<optimized out>, timeout=0x7fc1e23dab94) at kernel/qeventdispatcher_glib.cpp:160
#10 0x00007fc215ddb77d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fc215ddc11b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fc215ddc2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fc21995929b in QEventDispatcherGlib::processEvents (this=0x7fc1580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#14 0x00007fc2198ff75a in QEventLoop::exec (this=this@entry=0x7fc1e23dad50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#15 0x00007fc21971d3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#16 0x00007fc21c8c1ef6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007fc2197222be in QThreadPrivate::start (arg=0x3068210) at thread/qthread_unix.cpp:337
#18 0x00007fc2188116aa in start_thread (arg=0x7fc1e23db700) at pthread_create.c:333
#19 0x00007fc21903aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fc14c4a4700 (LWP 2493)):
#0  0x00007fc21902b49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc215e1f4e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc215ddbcd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc215ddc190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc215ddc2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc21995929b in QEventDispatcherGlib::processEvents (this=0x7fc1440008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fc2198ff75a in QEventLoop::exec (this=this@entry=0x7fc14c4a3d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fc21971d3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fc14d4a48f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007fc2197222be in QThreadPrivate::start (arg=0x5566860) at thread/qthread_unix.cpp:337
#10 0x00007fc2188116aa in start_thread (arg=0x7fc14c4a4700) at pthread_create.c:333
#11 0x00007fc21903aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fc13ef7f700 (LWP 5676)):
#0  0x00007fc215ddb9c7 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc215ddc167 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc215ddc2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc215ddc339 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc215e02965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc2188116aa in start_thread (arg=0x7fc13ef7f700) at pthread_create.c:333
#6  0x00007fc21903aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fc137bc6700 (LWP 5677)):
#0  0x00007fc21902f8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc215ddc1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc215ddc572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc2033f84c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fc215e02965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc2188116aa in start_thread (arg=0x7fc137bc6700) at pthread_create.c:333
#6  0x00007fc21903aeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fc21e878800 (LWP 2316)):
[KCrash Handler]
#6  0x00007fc136d819f8 in KAccountsUiProvider::showNewAccountDialog (this=<optimized out>) at ../../../plugins/kaccounts/kaccounts-ui-provider.cpp:247
#7  0x00007fc219932617 in QtPrivate::QSlotObjectBase::call (a=0x7fffe032fb60, r=0x7da4d20, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#8  QMetaObject::activate (sender=sender@entry=0x7da4d20, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3702
#9  0x00007fc219932f87 in QMetaObject::activate (sender=sender@entry=0x7da4d20, m=m@entry=0x7fc13c3c1ae0 <KAccountsUiPlugin::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3582
#10 0x00007fc13c1bc2e0 in KAccountsUiPlugin::uiReady (this=this@entry=0x7da4d20) at ./moc_kaccountsuiplugin.cpp:158
#11 0x00007fc136d819b8 in KAccountsUiProvider::init (this=0x7da4d20, type=<optimized out>) at ../../../plugins/kaccounts/kaccounts-ui-provider.cpp:109
#12 0x00007fc219932617 in QtPrivate::QSlotObjectBase::call (a=0x7fffe032fd40, r=0x7be2f40, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#13 QMetaObject::activate (sender=sender@entry=0x7be2f40, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffe032fd40) at kernel/qobject.cpp:3702
#14 0x00007fc219932f87 in QMetaObject::activate (sender=sender@entry=0x7be2f40, m=m@entry=0x7fc21a8f6620 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffe032fd40) at kernel/qobject.cpp:3582
#15 0x00007fc21a770fe2 in QAbstractButton::clicked (this=this@entry=0x7be2f40, _t1=false) at .moc/moc_qabstractbutton.cpp:298
#16 0x00007fc21a4d7914 in QAbstractButtonPrivate::emitClicked (this=0x77ff6c0) at widgets/qabstractbutton.cpp:534
#17 0x00007fc21a4d8df9 in QAbstractButtonPrivate::click (this=0x77ff6c0) at widgets/qabstractbutton.cpp:527
#18 0x00007fc21a4d8f74 in QAbstractButton::mouseReleaseEvent (this=0x7be2f40, e=0x7fffe0330210) at widgets/qabstractbutton.cpp:1132
#19 0x00007fc21a422188 in QWidget::event (this=0x7be2f40, event=0x7fffe0330210) at kernel/qwidget.cpp:9023
#20 0x00007fc21a3dfb8c in QApplicationPrivate::notify_helper (this=this@entry=0x2697810, receiver=receiver@entry=0x7be2f40, e=e@entry=0x7fffe0330210) at kernel/qapplication.cpp:3720
#21 0x00007fc21a3e5c7a in QApplication::notify (this=<optimized out>, receiver=0x7be2f40, e=0x7fffe0330210) at kernel/qapplication.cpp:3280
#22 0x00007fc219901f1b in QCoreApplication::notifyInternal (this=0x7fffe0330b30, receiver=receiver@entry=0x7be2f40, event=event@entry=0x7fffe0330210) at kernel/qcoreapplication.cpp:935
#23 0x00007fc21a3e46f2 in QCoreApplication::sendSpontaneousEvent (event=0x7fffe0330210, receiver=0x7be2f40) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#24 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x7be2f40, event=event@entry=0x7fffe0330210, alienWidget=alienWidget@entry=0x7be2f40, nativeWidget=0x72cddd0, buttonDown=buttonDown@entry=0x7fc21a905a10 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2751
#25 0x00007fc21a439440 in QWidgetWindow::handleMouseEvent (this=this@entry=0x6b879d0, event=event@entry=0x7fffe0330630) at kernel/qwidgetwindow.cpp:543
#26 0x00007fc21a43b78b in QWidgetWindow::event (this=0x6b879d0, event=0x7fffe0330630) at kernel/qwidgetwindow.cpp:210
#27 0x00007fc21a3dfb8c in QApplicationPrivate::notify_helper (this=this@entry=0x2697810, receiver=receiver@entry=0x6b879d0, e=e@entry=0x7fffe0330630) at kernel/qapplication.cpp:3720
#28 0x00007fc21a3e5230 in QApplication::notify (this=0x7fffe0330b30, receiver=0x6b879d0, e=0x7fffe0330630) at kernel/qapplication.cpp:3503
#29 0x00007fc219901f1b in QCoreApplication::notifyInternal (this=0x7fffe0330b30, receiver=receiver@entry=0x6b879d0, event=event@entry=0x7fffe0330630) at kernel/qcoreapplication.cpp:935
#30 0x00007fc219c243c8 in QCoreApplication::sendSpontaneousEvent (event=0x7fffe0330630, receiver=0x6b879d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#31 QGuiApplicationPrivate::processMouseEvent (e=0x7dd3cd0) at kernel/qguiapplication.cpp:1772
#32 0x00007fc219c26005 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x7dd3cd0) at kernel/qguiapplication.cpp:1576
#33 0x00007fc219c0b5b8 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#34 0x00007fc20bcc4250 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#35 0x00007fc215ddbff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fc215ddc250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fc215ddc2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007fc21995927f in QEventDispatcherGlib::processEvents (this=0x2739c10, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#39 0x00007fc2198ff75a in QEventLoop::exec (this=this@entry=0x7fffe03309b0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#40 0x00007fc2199072cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#41 0x00007fc219c1c00c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#42 0x00007fc21a3dc025 in QApplication::exec () at kernel/qapplication.cpp:2956
#43 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Reported using DrKonqi