Bug 342830 - crash on adding new desktop applets
Summary: crash on adding new desktop applets
Status: RESOLVED DUPLICATE of bug 345141
Alias: None
Product: plasmashell
Classification: Plasma
Component: general (show other bugs)
Version: 5.2.1
Platform: openSUSE Linux
: NOR crash
Target Milestone: 1.0
Assignee: Christian Esken
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2015-01-14 12:24 UTC by Robby Engelmann
Modified: 2015-03-17 15:57 UTC (History)
5 users (show)

See Also:
Latest Commit:
Version Fixed In:


Attachments
Test Case (451 bytes, text/x-c++src)
2015-02-22 14:59 UTC, hluk
Details

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Description Robby Engelmann 2015-01-14 12:24:26 UTC
Application: kmix (4.6RC1)

Qt Version: 5.4.0
Operating System: Linux 3.18.1-1-desktop i686
Distribution: "openSUSE 20150107 (Tumbleweed) (i586)"

-- Information about the crash:
- What I was doing when the application crashed:
1. unlock desktop
2. right-click to the desktop
3. "Add Widgets..."
4. Scroll through the widgets list until crash occurs

--> normally also plasmashell crashes on doing this

The crash can be reproduced every time.

-- Backtrace:
Application: KMix (kmix), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb404c780 (LWP 3505))]

Thread 2 (Thread 0xb24e9b40 (LWP 3523)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/libxcb.so.1
#3  0xffffffff in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#4  0xffffffff in QXcbEventReader::run() (this=0x8829548) at qxcbconnection.cpp:1099
#5  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in start_thread () at /lib/libpthread.so.0
#7  0xffffffff in clone () at /lib/libc.so.6

Thread 1 (Thread 0xb404c780 (LWP 3505)):
[KCrash Handler]
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QObject::QObject(QObject*) () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in DBusMenuExporter::DBusMenuExporter(QString const&, QMenu*, QDBusConnection const&) () at /usr/lib/libdbusmenu-qt5.so.2
#10 0xffffffff in KStatusNotifierItem::setContextMenu(QMenu*) (dbusConnection=..., menu=0x8b34318, dbusObjectPath=..., this=0x8af9668) at /usr/src/debug/knotifications-5.6.0/src/kstatusnotifieritem.cpp:59
#11 0xffffffff in KStatusNotifierItem::setContextMenu(QMenu*) (this=0x8b69fc8, menu=0x8b34318) at /usr/src/debug/knotifications-5.6.0/src/kstatusnotifieritem.cpp:423
#12 0xffffffff in  () at /usr/lib/qt5/plugins/platformthemes/KDEPlatformTheme.so
#13 0xffffffff in QSystemTrayIconPrivate::updateMenu_sys_qpa() (this=this@entry=0x8a6fb18) at util/qsystemtrayicon.cpp:712
#14 0xffffffff in QSystemTrayIconPrivate::updateMenu_sys() (this=this@entry=0x8a6fb18) at util/qsystemtrayicon_x11.cpp:305
#15 0xffffffff in QSystemTrayIcon::setContextMenu(QMenu*) (this=0x8b0cb88, menu=menu@entry=0x8b51430) at util/qsystemtrayicon.cpp:166
#16 0xffffffff in KStatusNotifierItem::setContextMenu(QMenu*) (this=0x8b77498, menu=0x8b51430) at /usr/src/debug/knotifications-5.6.0/src/kstatusnotifieritem.cpp:411
#17 0xffffffff in KStatusNotifierItemPrivate::setLegacySystemTrayEnabled(bool) (this=0x8b72d98, enabled=true) at /usr/src/debug/knotifications-5.6.0/src/kstatusnotifieritem.cpp:843
#18 0xffffffff in KStatusNotifierItemPrivate::checkForRegisteredHosts() (this=0x8b72d98) at /usr/src/debug/knotifications-5.6.0/src/kstatusnotifieritem.cpp:781
#19 0xffffffff in KStatusNotifierItem::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x8b77498, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbfbb6260) at /usr/src/debug/knotifications-5.6.0/build/src/moc_kstatusnotifieritem.cpp:184
#20 0xffffffff in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#21 0xffffffff in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#22 0xffffffff in OrgKdeStatusNotifierWatcherInterface::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (this=<optimized out>) at /usr/src/debug/knotifications-5.6.0/build/src/statusnotifierwatcher_interface.moc:222
#23 0xffffffff in OrgKdeStatusNotifierWatcherInterface::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=_o@entry=0x8bc2a68, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=1, _a=_a@entry=0xbfbb6454) at /usr/src/debug/knotifications-5.6.0/build/src/statusnotifierwatcher_interface.moc:108
#24 0xffffffff in OrgKdeStatusNotifierWatcherInterface::qt_metacall(QMetaObject::Call, int, void**) (this=0x8bc2a68, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbfbb6454) at /usr/src/debug/knotifications-5.6.0/build/src/statusnotifierwatcher_interface.moc:173
#25 0xffffffff in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QVector<int> const&, int) (this=0x8805b68, object=object@entry=0x8bc2a68, msg=..., metaTypes=..., slotIdx=7) at qdbusintegrator.cpp:990
#26 0xffffffff in QDBusCallDeliveryEvent::placeMetaCall(QObject*) (this=0x8afeaf8, object=0x8bc2a68) at qdbusintegrator_p.h:95
#27 0xffffffff in QObject::event(QEvent*) () at /usr/lib/sse2/libQt5Core.so.5
#28 0xffffffff in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x8813798, receiver=receiver@entry=0x8bc2a68, e=e@entry=0x8afeaf8) at kernel/qapplication.cpp:3722
#29 0xffffffff in QApplication::notify(QObject*, QEvent*) (this=0x880d328, receiver=0x8bc2a68, e=0x8afeaf8) at kernel/qapplication.cpp:3505
#30 0xffffffff in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib/sse2/libQt5Core.so.5
#31 0xffffffff in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/sse2/libQt5Core.so.5
#32 0xffffffff in QCoreApplication::sendPostedEvents(QObject*, int) () at /usr/lib/sse2/libQt5Core.so.5
#33 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#34 0xffffffff in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#35 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#36 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#37 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#38 0xffffffff in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x884d460, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:115
#39 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#40 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#41 0xffffffff in QCoreApplication::exec() () at /usr/lib/sse2/libQt5Core.so.5
#42 0xffffffff in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1532
#43 0xffffffff in QApplication::exec() () at kernel/qapplication.cpp:2956
#44 0xffffffff in kdemain(int, char**) (argc=5, argv=0xbfbb6be4) at /usr/src/debug/kmix-14.12.0/apps/main.cpp:91
#45 0x08048637 in main(int, char**) (argc=5, argv=0xbfbb6be4) at /usr/src/debug/kmix-14.12.0/build/kmix_dummy.cpp:3

Reported using DrKonqi
Comment 1 MikeC 2015-01-29 22:15:28 UTC
I don't know if this is the same bug or not but in a Samsung NC10 netbook running arch linux with plasma next and the kf5 packages installed after uninstalling all old kde 4 packages, I can log in to the plasma next desktop but if any attempt is made to add widgets to the desktop (after unlocking widgets) the list of widgets pops onto the screen, but after a few seconds there is a plasmashell crash, with a recovery of the desktop without manual intervention. This occurs whichever of kicker or kickoff is in place using alternatives. Any attempt to send a crash report with a backtrace gives a message that there is no useful information in the backtrace. After updating to 5.2 today from the arch repo the same symptoms occur and this happens every time adding widgets is attempted completely consistently.
Comment 2 hluk 2015-02-22 14:59:45 UTC
Created attachment 91216 [details]
Test Case

I have same problems. I've attached simple test case which can be compiled with following qmake .pro file.

TEMPLATE = app
CONFIG += c++11
QT += widgets
SOURCES += main.cpp
Comment 3 Robby Engelmann 2015-03-17 15:17:47 UTC
still valid for plasma 5.2.1, KF 5.7 and Qt 5.4.1

normally now plasmashell crashes only few seconds after widgets-sidepanel opened
Comment 4 Bhushan Shah 2015-03-17 15:21:29 UTC
@Robby Engelmann: Can you please attach new backtrace? or is it similar to previous one? I think crash on opening widget sidebar is not related to previous one..
Comment 5 Robby Engelmann 2015-03-17 15:31:42 UTC
I think, it is the very same bug, as plasmashell earlier crashed on opening and scrolling through the wigdets. However, I will try to get a new backtrace...means installing debug symbols and hoping, that my cpu will survive (last time it took almost 15 mins at max cpu to get one :-) )
Comment 6 Robby Engelmann 2015-03-17 15:33:37 UTC
is there an easy way to get all necessary debug symbols installed in opensuse tumbleweed? Last time I installed simply all for plasma5 KF5 and Qt5.
Comment 7 Bhushan Shah 2015-03-17 15:38:27 UTC
Well first you can get backtrace without debug symbols; also I think drkonqi allows you to install required debug symbols; in anyway.. please give backtrace here even without debug symbols if you have.
Comment 8 Robby Engelmann 2015-03-17 15:40:07 UTC
faster than expected:

Application: plasmashell (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb39e3740 (LWP 23052))]

Thread 49 (Thread 0xb1e5ab40 (LWP 23054)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/libxcb.so.1
#3  0xffffffff in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#4  0xffffffff in  () at /usr/lib/qt5/plugins/platforms/libqxcb.so
#5  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in start_thread () at /lib/libpthread.so.0
#7  0xffffffff in clone () at /lib/libc.so.6

Thread 48 (Thread 0xb07fdb40 (LWP 23065)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 47 (Thread 0xae457b40 (LWP 23066)):
#0  0xffffffff in __libc_enable_asynccancel () at /lib/libc.so.6
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 46 (Thread 0xab7ffb40 (LWP 23070)):
#0  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 45 (Thread 0xaa5ffb40 (LWP 23071)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in read () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#11 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#12 0xffffffff in start_thread () at /lib/libpthread.so.0
#13 0xffffffff in clone () at /lib/libc.so.6

Thread 44 (Thread 0xa93ffb40 (LWP 23072)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in read () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#11 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#12 0xffffffff in start_thread () at /lib/libpthread.so.0
#13 0xffffffff in clone () at /lib/libc.so.6

Thread 43 (Thread 0xa81ffb40 (LWP 23073)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 42 (Thread 0xa71feb40 (LWP 23074)):
#0  0xffffffff in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 41 (Thread 0xa61fdb40 (LWP 23075)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 40 (Thread 0xa51fcb40 (LWP 23076)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 39 (Thread 0xa41abb40 (LWP 23077)):
#0  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 38 (Thread 0xa310ab40 (LWP 23078)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 37 (Thread 0xa2009b40 (LWP 23079)):
#0  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#1  0xffffffff in QTimerInfoList::updateCurrentTime() () at /usr/lib/sse2/libQt5Core.so.5
#2  0xffffffff in QTimerInfoList::timerWait(timespec&) () at /usr/lib/sse2/libQt5Core.so.5
#3  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#7  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#12 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#13 0xffffffff in start_thread () at /lib/libpthread.so.0
#14 0xffffffff in clone () at /lib/libc.so.6

Thread 36 (Thread 0xa0f88b40 (LWP 23080)):
#0  0xffffffff in _dl_update_slotinfo () at /lib/ld-linux.so.2
#1  0xffffffff in update_get_addr () at /lib/ld-linux.so.2
#2  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#3  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#7  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#12 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#13 0xffffffff in start_thread () at /lib/libpthread.so.0
#14 0xffffffff in clone () at /lib/libc.so.6

Thread 35 (Thread 0x9fee7b40 (LWP 23081)):
#0  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 34 (Thread 0x9ee46b40 (LWP 23082)):
#0  0xffffffff in __vdso_clock_gettime ()
#1  0xffffffff in clock_gettime () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#3  0xffffffff in QTimerInfoList::updateCurrentTime() () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QTimerInfoList::timerWait(timespec&) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#8  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#12 0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#13 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#14 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#15 0xffffffff in start_thread () at /lib/libpthread.so.0
#16 0xffffffff in clone () at /lib/libc.so.6

Thread 33 (Thread 0x9dda5b40 (LWP 23083)):
#0  0xffffffff in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 32 (Thread 0x9cd04b40 (LWP 23084)):
#0  0xffffffff in g_thread_self () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#3  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in start_thread () at /lib/libpthread.so.0
#9  0xffffffff in clone () at /lib/libc.so.6

Thread 31 (Thread 0x9bc63b40 (LWP 23085)):
#0  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#3  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in start_thread () at /lib/libpthread.so.0
#9  0xffffffff in clone () at /lib/libc.so.6

Thread 30 (Thread 0x9abc2b40 (LWP 23086)):
#0  0xffffffff in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 29 (Thread 0x99b21b40 (LWP 23087)):
#0  0xffffffff in __libc_disable_asynccancel () at /lib/libc.so.6
#1  0xffffffff in read () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#11 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#12 0xffffffff in start_thread () at /lib/libpthread.so.0
#13 0xffffffff in clone () at /lib/libc.so.6

Thread 28 (Thread 0x98a80b40 (LWP 23088)):
#0  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 27 (Thread 0x979dfb40 (LWP 23089)):
#0  0xffffffff in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 26 (Thread 0x9693eb40 (LWP 23090)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 25 (Thread 0x9589db40 (LWP 23091)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 24 (Thread 0x947fcb40 (LWP 23092)):
#0  0xffffffff in g_ptr_array_set_size () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 23 (Thread 0x9375bb40 (LWP 23093)):
#0  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 22 (Thread 0x926bab40 (LWP 23094)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xffffffff in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libc.so.6
#3  0xffffffff in  () at /usr/lib/libQt5Script.so.5
#4  0xffffffff in  () at /usr/lib/libQt5Script.so.5
#5  0xffffffff in start_thread () at /lib/libpthread.so.0
#6  0xffffffff in clone () at /lib/libc.so.6

Thread 21 (Thread 0x91d99b40 (LWP 23095)):
#0  0xffffffff in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 20 (Thread 0x901ffb40 (LWP 23097)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 19 (Thread 0x8f12cb40 (LWP 23098)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/libQt5Quick.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 18 (Thread 0x8c151b40 (LWP 23102)):
#0  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#1  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 17 (Thread 0x8a87cb40 (LWP 23103)):
#0  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 16 (Thread 0x897fbb40 (LWP 23104)):
#0  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 15 (Thread 0x8875ab40 (LWP 23105)):
#0  0xffffffff in __libc_enable_asynccancel () at /lib/libc.so.6
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 14 (Thread 0x876b9b40 (LWP 23106)):
#0  0xffffffff in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#3  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in start_thread () at /lib/libpthread.so.0
#9  0xffffffff in clone () at /lib/libc.so.6

Thread 13 (Thread 0x86618b40 (LWP 23107)):
#0  0xffffffff in _dl_update_slotinfo () at /lib/ld-linux.so.2
#1  0xffffffff in update_get_addr () at /lib/ld-linux.so.2
#2  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#3  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#7  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#12 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#13 0xffffffff in start_thread () at /lib/libpthread.so.0
#14 0xffffffff in clone () at /lib/libc.so.6

Thread 12 (Thread 0x85577b40 (LWP 23108)):
#0  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#1  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 11 (Thread 0x844d6b40 (LWP 23109)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 10 (Thread 0x83435b40 (LWP 23110)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in read () at /lib/libc.so.6
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#6  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#11 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#12 0xffffffff in start_thread () at /lib/libpthread.so.0
#13 0xffffffff in clone () at /lib/libc.so.6

Thread 9 (Thread 0x82394b40 (LWP 23111)):
#0  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#1  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#2  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 8 (Thread 0x812f3b40 (LWP 23112)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_release () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in start_thread () at /lib/libpthread.so.0
#11 0xffffffff in clone () at /lib/libc.so.6

Thread 7 (Thread 0x7f4ffb40 (LWP 23114)):
#0  0xffffffff in QMutex::lock() () at /usr/lib/sse2/libQt5Core.so.5
#1  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#2  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0x7fc91117 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 6 (Thread 0x7e8d2b40 (LWP 23118)):
#0  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in start_thread () at /lib/libpthread.so.0
#10 0xffffffff in clone () at /lib/libc.so.6

Thread 5 (Thread 0x7d871b40 (LWP 23119)):
#0  0xffffffff in QMutex::unlock() () at /usr/lib/sse2/libQt5Core.so.5
#1  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#2  0xffffffff in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 4 (Thread 0x7a2ffb40 (LWP 23370)):
#0  0xffffffff in __kernel_vsyscall ()
#1  0xffffffff in poll () at /lib/libc.so.6
#2  0xffffffff in g_poll () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 3 (Thread 0x7928eb40 (LWP 23371)):
#0  0xffffffff in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#2  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#3  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#4  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#5  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in  () at /usr/lib/libQt5Quick.so.5
#7  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in start_thread () at /lib/libpthread.so.0
#9  0xffffffff in clone () at /lib/libc.so.6

Thread 2 (Thread 0x7724cb40 (LWP 23865)):
#0  0xffffffff in QTimerInfoList::timerWait(timespec&) () at /usr/lib/sse2/libQt5Core.so.5
#1  0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#2  0xffffffff in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#4  0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#6  0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#7  0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#8  0xffffffff in QThread::exec() () at /usr/lib/sse2/libQt5Core.so.5
#9  0xffffffff in QThread::run() () at /usr/lib/sse2/libQt5Core.so.5
#10 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#11 0xffffffff in start_thread () at /lib/libpthread.so.0
#12 0xffffffff in clone () at /lib/libc.so.6

Thread 1 (Thread 0xb39e3740 (LWP 23052)):
[KCrash Handler]
#6  0xffffffff in QQmlVMEMetaObject::writeVarProperty(int, QV4::ValueRef) () at /usr/lib/sse2/libQt5Qml.so.5
#7  0xffffffff in QQmlVMEMetaObject::setVMEProperty(int, QV4::ValueRef) () at /usr/lib/sse2/libQt5Qml.so.5
#8  0xffffffff in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::ValueRef, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib/sse2/libQt5Qml.so.5
#9  0xffffffff in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib/sse2/libQt5Qml.so.5
#10 0xffffffff in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () at /usr/lib/sse2/libQt5Qml.so.5
#11 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#12 0xffffffff in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/sse2/libQt5Qml.so.5
#13 0xffffffff in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/sse2/libQt5Qml.so.5
#14 0xffffffff in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#15 0xffffffff in QQmlVMEMetaObject::activate(QObject*, int, void**) () at /usr/lib/sse2/libQt5Qml.so.5
#16 0xffffffff in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int, void**) () at /usr/lib/sse2/libQt5Qml.so.5
#17 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#18 0xffffffff in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#19 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#20 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#21 0xffffffff in QV4::QObjectMethod::callInternal(QV4::CallData*) () at /usr/lib/sse2/libQt5Qml.so.5
#22 0xffffffff in QV4::QObjectMethod::call(QV4::Managed*, QV4::CallData*) () at /usr/lib/sse2/libQt5Qml.so.5
#23 0xffffffff in QV4::Runtime::callActivationProperty(QV4::ExecutionContext*, QV4::String*, QV4::CallData*) () at /usr/lib/sse2/libQt5Qml.so.5
#24 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#25 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#26 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#27 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#28 0xffffffff in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib/sse2/libQt5Qml.so.5
#29 0xffffffff in  () at /usr/lib/sse2/libQt5Qml.so.5
#30 0xffffffff in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/sse2/libQt5Qml.so.5
#31 0xffffffff in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/sse2/libQt5Qml.so.5
#32 0xffffffff in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#33 0xffffffff in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#34 0xffffffff in Plasma::DataSource::newData(QString const&, QMap<QString, QVariant> const&) (this=this@entry=0xb005e90, _t1=..., _t2=...) at /usr/src/debug/plasma-framework-5.7.0/build/src/declarativeimports/core/moc_datasource.cpp:358
#35 0xffffffff in Plasma::DataSource::dataUpdated(QString const&, QMap<QString, QVariant> const&) (this=this@entry=0xb005e90, sourceName=..., data=...) at /usr/src/debug/plasma-framework-5.7.0/src/declarativeimports/core/datasource.cpp:151
#36 0xffffffff in Plasma::DataSource::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0xb005e90, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfc72ec4) at /usr/src/debug/plasma-framework-5.7.0/build/src/declarativeimports/core/moc_datasource.cpp:178
#37 0xffffffff in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#38 0xffffffff in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /usr/lib/sse2/libQt5Core.so.5
#39 0xffffffff in Plasma::SignalRelay::dataUpdated(QString const&, QMap<QString, QVariant> const&) (this=this@entry=0xb1b0e60, _t1=..., _t2=...) at /usr/src/debug/plasma-framework-5.7.0/build/src/plasma/moc_datacontainer_p.cpp:125
#40 0xffffffff in Plasma::SignalRelay::timerEvent(QTimerEvent*) (this=0xb1b0e60, event=0xbfc73230) at /usr/src/debug/plasma-framework-5.7.0/src/plasma/private/datacontainer_p.cpp:157
#41 0xffffffff in QObject::event(QEvent*) () at /usr/lib/sse2/libQt5Core.so.5
#42 0xffffffff in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#43 0xffffffff in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#44 0xffffffff in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib/sse2/libQt5Core.so.5
#45 0xffffffff in QTimerInfoList::activateTimers() () at /usr/lib/sse2/libQt5Core.so.5
#46 0xffffffff in  () at /usr/lib/sse2/libQt5Core.so.5
#47 0xffffffff in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#48 0xffffffff in  () at /usr/lib/libglib-2.0.so.0
#49 0xffffffff in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#50 0xffffffff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#51 0xffffffff in  () at /usr/lib/qt5/plugins/platforms/libqxcb.so
#52 0xffffffff in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#53 0xffffffff in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/sse2/libQt5Core.so.5
#54 0xffffffff in QCoreApplication::exec() () at /usr/lib/sse2/libQt5Core.so.5
#55 0xffffffff in QGuiApplication::exec() () at /usr/lib/sse2/libQt5Gui.so.5
#56 0xffffffff in QApplication::exec() () at /usr/lib/libQt5Widgets.so.5
#57 0x080728bd in main(int, char**) (argc=4, argv=0xbfc73634) at /usr/src/debug/plasma-workspace-5.2.1/shell/main.cpp:150
Comment 9 Bhushan Shah 2015-03-17 15:43:06 UTC
Do you have systemloadviewer applet available on your desktop? if yes thats duplicate of https://bugs.kde.org/show_bug.cgi?id=345141
Comment 10 Robby Engelmann 2015-03-17 15:56:50 UTC
correct, marked as duplicate

*** This bug has been marked as a duplicate of bug 345141 ***
Comment 11 MikeC 2015-03-17 15:57:54 UTC
I have been tracking this bug for a while - on my own Samsung NC10 netbook, running arch linux, with current latest kf5 and plasma packages without any old kde packages this bug was always present.  I have always had the systemloadviewer applet on the desktop as the only applet present. After seeing comment #9 I removed the systemloadviewer applet and tested again - there is no longer a crash when opening the add widgets left hand menu, even after multiple scrolling up and down looking at available widgets.

This is possibly related to https://bugs.kde.org/show_bug.cgi?id=345141 

My system is single core (Atom) processor.