Comment 1 for bug 1278816

Also happens when a qapt transaction finished apparently

Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
To enable execution of this file add
 add-auto-load-safe-path /lib/x86_64-linux-gnu/libglib-2.0.so.0.3904.0-gdb.py
line to your configuration file "/home/me/.gdbinit".
To completely disable this security protection add
 set auto-load safe-path /
line to your configuration file "/home/me/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual. E.g., run from the shell:
 info "(gdb)Auto-loading safe path"
[Current thread is 1 (Thread 0x7feff030b800 (LWP 3118))]

Thread 2 (Thread 0x7fefd137b700 (LWP 3119)):
#0 0x00007fefed2fbe4d in read () at ../sysdeps/unix/syscall-template.S:81
#1 0x00007fefdfecfe41 in ?? ()
#2 0x00007fefd137abf0 in ?? ()
#3 0x00007fefd137aba0 in ?? ()
#4 0x0000000000aa63c0 in ?? ()
#5 0x00007fefcc002bc0 in ?? ()
#6 0x00000000ffffffff in ?? ()
#7 0x000000007fffffff in ?? ()
#8 0x0000000000000002 in ?? ()
#9 0x00007fefe627b910 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fefe623b894 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fefe623bcfb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fefe623be6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fefeda85836 in QEventDispatcherGlib::processEvents (this=0x7fefcc0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#14 0x00007fefeda5709f in QEventLoop::processEvents (this=this@entry=0x7fefd137ada0, flags=...) at kernel/qeventloop.cpp:149
#15 0x00007fefeda57395 in QEventLoop::exec (this=this@entry=0x7fefd137ada0, flags=...) at kernel/qeventloop.cpp:204
#16 0x00007fefed953c4f in QThread::exec (this=this@entry=0xf67350) at thread/qthread.cpp:537
#17 0x00007fefeda38813 in QInotifyFileSystemWatcherEngine::run (this=0xf67350) at io/qfilesystemwatcher_inotify.cpp:265
#18 0x00007fefed95631f in QThreadPrivate::start (arg=0xf67350) at thread/qthread_unix.cpp:349
#19 0x00007fefe6715182 in start_thread (arg=0x7fefd137b700) at pthread_create.c:312
#20 0x00007fefed30ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7feff030b800 (LWP 3118)):
[KCrash Handler]
#5 0x00007fefd097177f in Module::refreshDriverList (this=0xfa68d0) at /build/buildd/kubuntu-driver-manager-14.04ubuntu1/src/Module.cpp:207
#6 0x00007fefeda6c868 in QMetaObject::activate (sender=0x1e01d60, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff6ac0c500) at kernel/qobject.cpp:3539
#7 0x00007fefd07469d2 in QApt::Transaction::finished (this=0x1e01d60, _t1=QApt::ExitSuccess) at /home/me/src/git/k/libqapt/build/src/moc_transaction.cxx:338
#8 0x00007fefd073db54 in QApt::Transaction::updateProperty (this=0x1e01d60, type=11, variant=...) at /home/me/src/git/k/libqapt/src/transaction.cpp:546
#9 0x00007fefd0745e3f in QApt::Transaction::qt_static_metacall (_o=0x1e01d60, _c=QMetaObject::InvokeMetaMethod, _id=24, _a=0x7fff6ac0c730) at /home/me/src/git/k/libqapt/build/src/moc_transaction.cxx:164
#10 0x00007fefeda6c868 in QMetaObject::activate (sender=0xf0e2a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff6ac0c730) at kernel/qobject.cpp:3539
#11 0x00007fefd07476f2 in OrgKubuntuQaptworkerTransactionInterface::propertyChanged (this=0xf0e2a0, _t1=11, _t2=...) at /home/me/src/git/k/libqapt/build/src/moc_transactiondbus.cxx:246
#12 0x00007fefd0746cf1 in OrgKubuntuQaptworkerTransactionInterface::qt_static_metacall (_o=0xf0e2a0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fff6ac0c970) at /home/me/src/git/k/libqapt/build/src/moc_transactiondbus.cxx:111
#13 0x00007fefd07470f4 in OrgKubuntuQaptworkerTransactionInterface::qt_metacall (this=0xf0e2a0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fff6ac0c970) at /home/me/src/git/k/libqapt/build/src/moc_transactiondbus.cxx:164
#14 0x00007fefedde41f6 in QDBusConnectionPrivate::deliverCall (this=0xfa54b0, object=0xf0e2a0, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:951
#15 0x00007fefeda70c0e in QObject::event (this=0xf0e2a0, e=<optimized out>) at kernel/qobject.cpp:1194
#16 0x00007fefee6c6e2c in QApplicationPrivate::notify_helper (this=this@entry=0xb50db0, receiver=receiver@entry=0xf0e2a0, e=e@entry=0x1e47790) at kernel/qapplication.cpp:4567
#17 0x00007fefee6cd4a0 in QApplication::notify (this=0x7fff6ac0d110, receiver=0xf0e2a0, e=0x1e47790) at kernel/qapplication.cpp:4353
#18 0x00007fefef3d3aaa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#19 0x00007fefeda584cd in QCoreApplication::notifyInternal (this=0x7fff6ac0d110, receiver=receiver@entry=0xf0e2a0, event=event@entry=0x1e47790) at kernel/qcoreapplication.cpp:953
#20 0x00007fefeda5bb2d in sendEvent (event=0x1e47790, receiver=0xf0e2a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xa9b1f0) at kernel/qcoreapplication.cpp:1577
#22 0x00007fefeda5bfd3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#23 0x00007fefeda85f53 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#24 postEventSourceDispatch (s=0xb41670) at kernel/qeventdispatcher_glib.cpp:280
#25 0x00007fefe623bb84 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fefe623bdc8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fefe623be6c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fefeda85815 in QEventDispatcherGlib::processEvents (this=0xa9caf0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#29 0x00007fefee768bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007fefeda5709f in QEventLoop::processEvents (this=this@entry=0x7fff6ac0d010, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007fefeda57395 in QEventLoop::exec (this=this@entry=0x7fff6ac0d010, flags=...) at kernel/qeventloop.cpp:204
#32 0x00007fefeda5cb69 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#33 0x000000000040aadb in ?? ()
#34 0x00007fefed231ed5 in __libc_start_main (main=0x40a6d0, argc=5, argv=0x7fff6ac0d258, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6ac0d248) at libc-start.c:287
#35 0x000000000040ab31 in _start ()