Application: kde5-nm-connection-editor (5.3.0)

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

-- Information about the crash:
crash when going into the connection editor

The crash can be reproduced every time.

-- Backtrace:
Application: Connection 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 0x7fae95d3e800 (LWP 1933))]

Thread 2 (Thread 0x7fae8236f700 (LWP 1934)):
#0  0x00007fae9256e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fae8cde8b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fae8cdea64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fae84293099 in QXcbEventReader::run (this=0x1e13750) at qxcbconnection.cpp:1105
#4  0x00007fae92befb0e in QThreadPrivate::start (arg=0x1e13750) at thread/qthread_unix.cpp:337
#5  0x00007fae90b206aa in start_thread (arg=0x7fae8236f700) at pthread_create.c:333
#6  0x00007fae92579eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fae95d3e800 (LWP 1933)):
[KCrash Handler]
#6  0x00007fae92e5e1fc in QMetaObject::activate (sender=0x1f3df60, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe3e09a090) at kernel/qobject.cpp:3646
#7  0x00007fae92e5f057 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fae920c8380 <ModemManager::Modem::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe3e09a090) at kernel/qobject.cpp:3582
#8  0x00007fae91e99022 in ModemManager::Modem::bearerAdded (this=<optimized out>, _t1=...) at moc_modem.cpp:626
#9  0x00007fae91e795c1 in ModemManager::ModemPrivate::ModemPrivate (this=0x1e9da20, path=..., q=0x3) at ../../src/modem.cpp:180
#10 0x00007fae91e7ac02 in ModemManager::Modem::Modem (this=0x1f3df60, path=..., parent=0x0) at ../../src/modem.cpp:234
#11 0x00007fae91e8463e in ModemManager::ModemDevicePrivate::createInterface (this=this@entry=0x1f42210, type=<optimized out>) at ../../src/modemdevice.cpp:212
#12 0x00007fae91e853a1 in ModemManager::ModemDevicePrivate::interface (this=this@entry=0x1f42210, type=type@entry=ModemManager::ModemDevice::ModemInterface) at ../../src/modemdevice.cpp:199
#13 0x00007fae91e86354 in ModemManager::ModemDevicePrivate::initInterfaces (this=this@entry=0x1f42210) at ../../src/modemdevice.cpp:101
#14 0x00007fae91e876b0 in ModemManager::ModemDevicePrivate::init (this=this@entry=0x1f42210) at ../../src/modemdevice.cpp:75
#15 0x00007fae91e87876 in ModemManager::ModemDevicePrivate::ModemDevicePrivate (this=this@entry=0x1f42210, path=..., q=q@entry=0x1f1d8b0) at ../../src/modemdevice.cpp:53
#16 0x00007fae91e878bb in ModemManager::ModemDevice::ModemDevice (this=0x1f1d8b0, path=..., parent=<optimized out>) at ../../src/modemdevice.cpp:159
#17 0x00007fae91e703ba in ModemManager::ModemManagerPrivate::findModemDevice (this=this@entry=0x7fae920c9800 <(anonymous namespace)::Q_QGS_globalModemManager::innerFunction()::holder>, uni=...) at ../../src/manager.cpp:125
#18 0x00007fae91e73877 in ModemManager::findModemDevice (uni=...) at ../../src/manager.cpp:215
#19 0x00007fae95ad828f in NetworkModel::initializeSignals (this=this@entry=0x1ed64e0, device=...) at ../../libs/models/networkmodel.cpp:244
#20 0x00007fae95ad9769 in NetworkModel::addDevice (this=this@entry=0x1ed64e0, device=...) at ../../libs/models/networkmodel.cpp:449
#21 0x00007fae95ad9dcf in NetworkModel::initialize (this=this@entry=0x1ed64e0) at ../../libs/models/networkmodel.cpp:165
#22 0x00007fae95ad9f7a in NetworkModel::NetworkModel (this=0x1ed64e0, parent=<optimized out>) at ../../libs/models/networkmodel.cpp:38
#23 0x00007fae95acc724 in EditorIdentityModel::EditorIdentityModel (this=0x1f3ea10, parent=<optimized out>) at ../../libs/models/editoridentitymodel.cpp:37
#24 0x0000000000412d13 in ConnectionEditor::initializeConnections (this=this@entry=0x1ecf0f0) at ../../editor/connectioneditor.cpp:425
#25 0x000000000041804e in ConnectionEditor::ConnectionEditor (this=0x1ecf0f0, parent=<optimized out>, flags=..., __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ../../editor/connectioneditor.cpp:83
#26 0x0000000000410225 in main (argc=1, argv=<optimized out>) at ../../editor/main.cpp:55

Reported using DrKonqi