Application: kde5-nm-connection-editor (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
I Tested my WWAN Card... I have done the config, saved it and closed the networkmanager. I connected, checkt my ping and disconnected. After that the NEtworkmanager crashed serveral times while trying open it

The crash can be reproduced sometimes.

-- Backtrace:
Application: Verbindungs-Editor (kde5-nm-connection-editor), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc924211800 (LWP 13851))]

Thread 2 (Thread 0x7fc9106d7700 (LWP 13852)):
#0  0x00007fc920a448dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc91b2beb72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fc91b2c064f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fc9125fb099 in QXcbEventReader::run (this=0x8b16a0) at qxcbconnection.cpp:1105
#4  0x00007fc9210c5b0e in QThreadPrivate::start (arg=0x8b16a0) at thread/qthread_unix.cpp:337
#5  0x00007fc91eff66aa in start_thread (arg=0x7fc9106d7700) at pthread_create.c:333
#6  0x00007fc920a4feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fc924211800 (LWP 13851)):
[KCrash Handler]
#6  0x00007fc9213341fc in QMetaObject::activate (sender=0xa0f130, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffdcfc2a820) at kernel/qobject.cpp:3646
#7  0x00007fc921335057 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fc92059e380 <ModemManager::Modem::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffdcfc2a820) at kernel/qobject.cpp:3582
#8  0x00007fc92036f022 in ModemManager::Modem::bearerAdded (this=<optimized out>, _t1=...) at moc_modem.cpp:626
#9  0x00007fc92034f5c1 in ModemManager::ModemPrivate::ModemPrivate (this=0xa1f8b0, path=..., q=0x3) at ../../src/modem.cpp:180
#10 0x00007fc920350c02 in ModemManager::Modem::Modem (this=0xa0f130, path=..., parent=0x0) at ../../src/modem.cpp:234
#11 0x00007fc92035a63e in ModemManager::ModemDevicePrivate::createInterface (this=this@entry=0xa1a3a0, type=<optimized out>) at ../../src/modemdevice.cpp:212
#12 0x00007fc92035b3a1 in ModemManager::ModemDevicePrivate::interface (this=this@entry=0xa1a3a0, type=type@entry=ModemManager::ModemDevice::ModemInterface) at ../../src/modemdevice.cpp:199
#13 0x00007fc92035c354 in ModemManager::ModemDevicePrivate::initInterfaces (this=this@entry=0xa1a3a0) at ../../src/modemdevice.cpp:101
#14 0x00007fc92035d6b0 in ModemManager::ModemDevicePrivate::init (this=this@entry=0xa1a3a0) at ../../src/modemdevice.cpp:75
#15 0x00007fc92035d876 in ModemManager::ModemDevicePrivate::ModemDevicePrivate (this=this@entry=0xa1a3a0, path=..., q=q@entry=0x9b4310) at ../../src/modemdevice.cpp:53
#16 0x00007fc92035d8bb in ModemManager::ModemDevice::ModemDevice (this=0x9b4310, path=..., parent=<optimized out>) at ../../src/modemdevice.cpp:159
#17 0x00007fc9203463ba in ModemManager::ModemManagerPrivate::findModemDevice (this=this@entry=0x7fc92059f800 <(anonymous namespace)::Q_QGS_globalModemManager::innerFunction()::holder>, uni=...) at ../../src/manager.cpp:125
#18 0x00007fc920349877 in ModemManager::findModemDevice (uni=...) at ../../src/manager.cpp:215
#19 0x00007fc923fa822f in NetworkModel::initializeSignals (this=this@entry=0x9d8260, device=...) at ../../libs/models/networkmodel.cpp:244
#20 0x00007fc923fa9699 in NetworkModel::addDevice (this=this@entry=0x9d8260, device=...) at ../../libs/models/networkmodel.cpp:449
#21 0x00007fc923fa9cff in NetworkModel::initialize (this=this@entry=0x9d8260) at ../../libs/models/networkmodel.cpp:165
#22 0x00007fc923fa9eaa in NetworkModel::NetworkModel (this=0x9d8260, parent=<optimized out>) at ../../libs/models/networkmodel.cpp:38
#23 0x00007fc923f9c634 in EditorIdentityModel::EditorIdentityModel (this=0x9d2f90, parent=<optimized out>) at ../../libs/models/editoridentitymodel.cpp:37
#24 0x0000000000411303 in ConnectionEditor::initializeConnections (this=this@entry=0x965e70) at ../../editor/connectioneditor.cpp:413
#25 0x0000000000416772 in ConnectionEditor::ConnectionEditor (this=0x965e70, parent=<optimized out>, flags=..., __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../editor/connectioneditor.cpp:83
#26 0x000000000040fda5 in main (argc=1, argv=<optimized out>) at ../../editor/main.cpp:55

Reported using DrKonqi