Bug 344647

Application: kdeinit5 ()

Qt Version: 5.4.0
Operating System: Linux 3.18.0-13-generic x86_64
Distribution: Ubuntu Vivid Vervet (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
Was working at a meeting, suspeded my computer. Plugged in the hdmi plug and opened the lid. The compuer woke up, but kdeinit crashed when I logged in.

-- Backtrace:
Application: kdeinit5 (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbd95fe9780 (LWP 2356))]

Thread 4 (Thread 0x7fbd823e5700 (LWP 2358)):
#0  0x00007fbd946e60fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbd92becb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fbd92bee64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fbd84bfb0b9 in QXcbEventReader::run (this=0x218f4b0) at qxcbconnection.cpp:1105
#4  0x00007fbd94a5ea4e in QThreadPrivate::start (arg=0x218f4b0) at thread/qthread_unix.cpp:337
#5  0x00007fbd9233b0a5 in start_thread (arg=0x7fbd823e5700) at pthread_create.c:309
#6  0x00007fbd946f05ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fbd75cbd700 (LWP 2389)):
#0  0x00007fbd946e1e0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbd919202f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbd918dc96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbd918dce60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbd918dcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbd94cf5acc in QEventDispatcherGlib::processEvents (this=0x7fbd6c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007fbd94c9a392 in QEventLoop::exec (this=this@entry=0x7fbd75cbce00, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fbd94a59a94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fbd801d2cf7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007fbd94a5ea4e in QThreadPrivate::start (arg=0x21dfdc0) at thread/qthread_unix.cpp:337
#10 0x00007fbd9233b0a5 in start_thread (arg=0x7fbd75cbd700) at pthread_create.c:309
#11 0x00007fbd946f05ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fbd754bc700 (LWP 2390)):
#0  0x00007fbd946e1e0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbd919202f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbd918dc96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbd918dce60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbd918dcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbd94cf5acc in QEventDispatcherGlib::processEvents (this=0x7fbd680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007fbd94c9a392 in QEventLoop::exec (this=this@entry=0x7fbd754bbe40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fbd94a59a94 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fbd94a5ea4e in QThreadPrivate::start (arg=0x219e430) at thread/qthread_unix.cpp:337
#9  0x00007fbd9233b0a5 in start_thread (arg=0x7fbd754bc700) at pthread_create.c:309
#10 0x00007fbd946f05ad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fbd95fe9780 (LWP 2356)):
[KCrash Handler]
#6  0x00007fbd8adc44e4 in KNotification::id (this=this@entry=0x24620b0) at ../../src/knotification.cpp:391
#7  0x00007fbd8adc5199 in KNotificationManager::notifyPluginFinished (this=0x7fbd8affaeb0 <(anonymous namespace)::Q_QGS_s_self::innerFunction()::holder>, notification=0x24620b0) at ../../src/knotificationmanager.cpp:108
#8  0x00007fbd8adc5e6c in KNotificationManager::qt_static_metacall (_o=0x24620b0, _c=38150320, _id=2, _a=0x7fff4aea3640) at ./moc_knotificationmanager_p.cpp:82
#9  0x00007fbd94ccd959 in QMetaObject::activate (sender=sender@entry=0x25c4d80, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff4aea3640) at kernel/qobject.cpp:3716
#10 0x00007fbd94ccdfe7 in QMetaObject::activate (sender=sender@entry=0x25c4d80, m=m@entry=0x7fbd8aff9ba0 <KNotificationPlugin::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff4aea3640) at kernel/qobject.cpp:3582
#11 0x00007fbd8ade900f in KNotificationPlugin::finished (this=this@entry=0x25c4d80, _t1=0x24620b0) at moc_knotificationplugin.cpp:138
#12 0x00007fbd8add7bc5 in KNotificationPlugin::finish (this=this@entry=0x25c4d80, notification=<optimized out>) at ../../src/knotificationplugin.cpp:52
#13 0x00007fbd8add86f0 in NotifyByPopup::onPassivePopupDestroyed (this=0x25c4d80) at ../../src/notifybypopup.cpp:309
#14 0x00007fbd94ccd959 in QMetaObject::activate (sender=sender@entry=0x21e4950, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff4aea37b0) at kernel/qobject.cpp:3716
#15 0x00007fbd94ccdfe7 in QMetaObject::activate (sender=sender@entry=0x21e4950, m=m@entry=0x7fbd94eef940 <QObject::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff4aea37b0) at kernel/qobject.cpp:3582
#16 0x00007fbd94cce08f in QObject::destroyed (this=this@entry=0x21e4950, _t1=_t1@entry=0x21e4950) at .moc/moc_qobject.cpp:206
#17 0x00007fbd931a2bc8 in QWidget::~QWidget (this=0x21e4950, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1613
#18 0x00007fbd8adc89e9 in KPassivePopup::~KPassivePopup (this=0x21e4950, __in_chrg=<optimized out>) at ../../src/kpassivepopup.cpp:249
#19 0x00007fbd94cce708 in QObject::event (this=this@entry=0x21e4950, e=e@entry=0x25b3ff0) at kernel/qobject.cpp:1236
#20 0x00007fbd931a6a27 in QWidget::event (this=this@entry=0x21e4950, event=event@entry=0x25b3ff0) at kernel/qwidget.cpp:9083
#21 0x00007fbd932a4b9e in QFrame::event (this=0x21e4950, e=0x25b3ff0) at widgets/qframe.cpp:526
#22 0x00007fbd931632ec in QApplicationPrivate::notify_helper (this=0x216f460, receiver=0x21e4950, e=0x25b3ff0) at kernel/qapplication.cpp:3722
#23 0x00007fbd93168960 in QApplication::notify (this=0x7fff4aea3f40, receiver=0x21e4950, e=0x25b3ff0) at kernel/qapplication.cpp:3505
#24 0x00007fbd94c9cbdb in QCoreApplication::notifyInternal (this=0x7fff4aea3f40, receiver=0x21e4950, event=event@entry=0x25b3ff0) at kernel/qcoreapplication.cpp:932
#25 0x00007fbd94c9ec4b in sendEvent (event=0x25b3ff0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#26 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x21255b0) at kernel/qcoreapplication.cpp:1536
#27 0x00007fbd94c9f248 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1394
#28 0x00007fbd94cf56a3 in postEventSourceDispatch (s=0x21aa0c0) at kernel/qeventdispatcher_glib.cpp:271
#29 0x00007fbd918dcc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fbd918dcf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fbd918dcfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fbd94cf5ab7 in QEventDispatcherGlib::processEvents (this=0x21b3fe0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#33 0x00007fbd94c9a392 in QEventLoop::exec (this=this@entry=0x7fff4aea3e60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#34 0x00007fbd94ca1fdc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1185
#35 0x00007fbd959a719c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1535
#36 0x00007fbd9315ef55 in QApplication::exec () at kernel/qapplication.cpp:2956
#37 0x00007fbd84936e31 in kdemain (argc=1, argv=<optimized out>) at ../../src/kded.cpp:846
#38 0x00000000004088e9 in launch (argc=argc@entry=1, _name=_name@entry=0x40c6a2 "kded5", args=args@entry=0x0, cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x0, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40c5b4 "0") at ../../../src/kdeinit/kinit.cpp:741
#39 0x00000000004058e9 in main (argc=5, argv=<optimized out>) at ../../../src/kdeinit/kinit.cpp:1808

Reported using DrKonqi