Bug 360867

Application: plasmashell (5.4.2)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-34-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
- What I was doing when the application crashed:
Recreate by booting the system and logging in. Happens every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2b2eff3800 (LWP 1552))]

Thread 4 (Thread 0x7f2b1a648700 (LWP 1553)):
#0  0x00007f2b2979f88d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2b2d7e6bd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2b2d7e874f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f2b1c992a39 in QXcbEventReader::run (this=0x75e840) at qxcbconnection.cpp:1105
#4  0x00007f2b29e922be in QThreadPrivate::start (arg=0x75e840) at thread/qthread_unix.cpp:337
#5  0x00007f2b28f816aa in start_thread (arg=0x7f2b1a648700) at pthread_create.c:333
#6  0x00007f2b297aae9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f2b13fff700 (LWP 1561)):
#0  0x00007f2b2979b44d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2b2658f4e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2b2654bcd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2b2654c190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2b2654c2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2b2a0c929b in QEventDispatcherGlib::processEvents (this=0x7f2b0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f2b2a06f75a in QEventLoop::exec (this=this@entry=0x7f2b13ffeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f2b29e8d3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007f2b2c6b5f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f2b29e922be in QThreadPrivate::start (arg=0x823bd0) at thread/qthread_unix.cpp:337
#10 0x00007f2b28f816aa in start_thread (arg=0x7f2b13fff700) at pthread_create.c:333
#11 0x00007f2b297aae9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f2b08ae5700 (LWP 1582)):
#0  0x00007f2b26590884 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2b2654ba59 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2b2654c167 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2b2654c2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2b2a0c929b in QEventDispatcherGlib::processEvents (this=0x7f2b040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f2b2a06f75a in QEventLoop::exec (this=this@entry=0x7f2b08ae4da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f2b29e8d3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f2b2c6b5f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f2b29e922be in QThreadPrivate::start (arg=0xada980) at thread/qthread_unix.cpp:337
#9  0x00007f2b28f816aa in start_thread (arg=0x7f2b08ae5700) at pthread_create.c:333
#10 0x00007f2b297aae9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f2b2eff3800 (LWP 1552)):
[KCrash Handler]
#6  0x00007f2b296d9267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f2b296daeca in __GI_abort () at abort.c:89
#8  0x00007f2b29afdb7d in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007f2b29afb9c6 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00007f2b29afba11 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#11 0x00007f2b29afc55f in __cxa_pure_virtual () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#12 0x00007f2b2a3817ca in QPlatformScreen::physicalSize (this=<optimized out>) at kernel/qplatformscreen.cpp:131
#13 0x00007f2b2a3ba212 in QScreen::physicalSize (this=this@entry=0x76d410) at kernel/qscreen.cpp:245
#14 0x00007f2b2a3ba2c9 in QScreen::physicalDotsPerInch (this=0x76d410) at kernel/qscreen.cpp:168
#15 0x00007f2b2d1a9b6b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f2b2a0a278a in QMetaObject::activate (sender=sender@entry=0x99d290, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffff00b6550) at kernel/qobject.cpp:3717
#17 0x00007f2b2a0a2f87 in QMetaObject::activate (sender=sender@entry=0x99d290, m=m@entry=0x7f2b2a7d2580 <QWindow::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffff00b6550) at kernel/qobject.cpp:3582
#18 0x00007f2b2a397dbf in QWindow::screenChanged (this=this@entry=0x99d290, _t1=_t1@entry=0x7610e0) at .moc/moc_qwindow.cpp:626
#19 0x00007f2b2a398cb5 in QWindowPrivate::emitScreenChangedRecursion (this=this@entry=0x931780, newScreen=newScreen@entry=0x7610e0) at kernel/qwindow.cpp:366
#20 0x00007f2b2a39bcf3 in QWindowPrivate::setTopLevelScreen (this=0x931780, newScreen=0x7610e0, recreate=<optimized out>) at kernel/qwindow.cpp:387
#21 0x00007f2b2a39be85 in QWindow::screenDestroyed (this=0x99d290, object=<optimized out>) at kernel/qwindow.cpp:1720
#22 0x00007f2b2a0a2617 in QtPrivate::QSlotObjectBase::call (a=0x7ffff00b67a0, r=0x99d290, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#23 QMetaObject::activate (sender=sender@entry=0x76d410, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffff00b67a0) at kernel/qobject.cpp:3702
#24 0x00007f2b2a0a2f87 in QMetaObject::activate (sender=sender@entry=0x76d410, m=m@entry=0x7f2b2a29f0e0 <QObject::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffff00b67a0) at kernel/qobject.cpp:3582
#25 0x00007f2b2a0a302f in QObject::destroyed (this=this@entry=0x76d410, _t1=_t1@entry=0x76d410) at .moc/moc_qobject.cpp:206
#26 0x00007f2b2a0aa19a in QObject::~QObject (this=0x76d410, __in_chrg=<optimized out>) at kernel/qobject.cpp:903
#27 0x00007f2b2a3ba0c9 in QScreen::~QScreen (this=0x76d410, __in_chrg=<optimized out>) at kernel/qscreen.cpp:77
#28 0x00007f2b2a381d49 in QPlatformScreen::~QPlatformScreen (this=0x7616a0, __in_chrg=<optimized out>) at kernel/qplatformscreen.cpp:57
#29 0x00007f2b1c9a0519 in QXcbScreen::~QXcbScreen (this=0x7616a0, __in_chrg=<optimized out>) at qxcbscreen.cpp:222
#30 0x00007f2b1c993909 in QXcbConnection::updateScreens (this=this@entry=0x752a00) at qxcbconnection.cpp:286
#31 0x00007f2b1c9945c6 in QXcbConnection::handleXcbEvent (this=this@entry=0x752a00, event=event@entry=0x7f2b14005860) at qxcbconnection.cpp:961
#32 0x00007f2b1c9953b3 in QXcbConnection::processXcbEvents (this=0x752a00) at qxcbconnection.cpp:1303
#33 0x00007f2b2a0a3651 in QObject::event (this=0x752a00, e=<optimized out>) at kernel/qobject.cpp:1245
#34 0x00007f2b2ab4fb8c in QApplicationPrivate::notify_helper (this=this@entry=0x747840, receiver=receiver@entry=0x752a00, e=e@entry=0x7f2b14005d10) at kernel/qapplication.cpp:3720
#35 0x00007f2b2ab55230 in QApplication::notify (this=0x7ffff00b72e0, receiver=0x752a00, e=0x7f2b14005d10) at kernel/qapplication.cpp:3503
#36 0x00007f2b2a071f1b in QCoreApplication::notifyInternal (this=0x7ffff00b72e0, receiver=0x752a00, event=event@entry=0x7f2b14005d10) at kernel/qcoreapplication.cpp:935
#37 0x00007f2b2a074057 in QCoreApplication::sendEvent (event=0x7f2b14005d10, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#38 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x73cd70) at kernel/qcoreapplication.cpp:1552
#39 0x00007f2b2a074588 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#40 0x00007f2b2a0c8e73 in postEventSourceDispatch (s=0x77cce0) at kernel/qeventdispatcher_glib.cpp:271
#41 0x00007f2b2654bff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f2b2654c250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f2b2654c2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f2b2a0c927f in QEventDispatcherGlib::processEvents (this=0x77c380, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#45 0x00007f2b2a06f75a in QEventLoop::exec (this=this@entry=0x7ffff00b7160, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#46 0x00007f2b2a0772cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#47 0x00007f2b2a38c00c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#48 0x00007f2b2ab4c025 in QApplication::exec () at kernel/qapplication.cpp:2956
#49 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Possible duplicates by query: bug 355614, bug 355567, bug 354968, bug 354471, bug 350503.

Reported using DrKonqi