Application: dolphin (14.12.3)
KDE Platform Version: 4.14.6
Qt Version: 4.8.6
Operating System: Linux 3.19.0-21-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
i use the bluetooth taskbar icon - there i selected 'browse devices'
dolphin opend up. no devices were visible -
after this i tried to connect for devices - but this did not work. i closed dolphin - after the close (visiblly dolphin was closed) the chrash report assistan opend up.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f09cae9a800 (LWP 17772))]

Thread 3 (Thread 0x7f09adb6e700 (LWP 17777)):
#0  0x00007f09ca75649d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f09c18942f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f09c185096c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f09c1850e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f09c1850fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f09c66dc87e in QEventDispatcherGlib::processEvents (this=0x7f09a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#6  0x00007f09c66abd21 in QEventLoop::processEvents (this=this@entry=0x7f09adb6dd80, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f09c66ac085 in QEventLoop::exec (this=this@entry=0x7f09adb6dd80, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f09c659fe89 in QThread::exec (this=this@entry=0x12f9640) at thread/qthread.cpp:538
#9  0x00007f09c668c493 in QInotifyFileSystemWatcherEngine::run (this=0x12f9640) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f09c65a26ff in QThreadPrivate::start (arg=0x12f9640) at thread/qthread_unix.cpp:349
#11 0x00007f09c1d366aa in start_thread (arg=0x7f09adb6e700) at pthread_create.c:333
#12 0x00007f09ca765eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f09a7fff700 (LWP 17779)):
#0  0x00007f09c66dc288 in testAndSetOrdered (newValue=0, expectedValue=1, this=0x1682ab0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:145
#1  testAndSetRelease (newValue=0, expectedValue=1, this=0x1682ab0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:272
#2  unlockInline (this=0x1682a68) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:171
#3  unlock (this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:121
#4  ~QMutexLocker (this=<synthetic pointer>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:115
#5  canWaitLocked (this=0x1682a20) at ../../include/QtCore/private/../../../src/corelib/thread/qthread_p.h:229
#6  postEventSourcePrepare (s=0x7f099c0012e0, timeout=0x7f09a7ffebb4) at kernel/qeventdispatcher_glib.cpp:279
#7  0x00007f09c18503fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f09c1850de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f09c1850fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f09c66dc87e in QEventDispatcherGlib::processEvents (this=0x7f099c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#11 0x00007f09c66abd21 in QEventLoop::processEvents (this=this@entry=0x7f09a7ffed80, flags=...) at kernel/qeventloop.cpp:149
#12 0x00007f09c66ac085 in QEventLoop::exec (this=this@entry=0x7f09a7ffed80, flags=...) at kernel/qeventloop.cpp:204
#13 0x00007f09c659fe89 in QThread::exec (this=this@entry=0x1682870) at thread/qthread.cpp:538
#14 0x00007f09c668c493 in QInotifyFileSystemWatcherEngine::run (this=0x1682870) at io/qfilesystemwatcher_inotify.cpp:265
#15 0x00007f09c65a26ff in QThreadPrivate::start (arg=0x1682870) at thread/qthread_unix.cpp:349
#16 0x00007f09c1d366aa in start_thread (arg=0x7f09a7fff700) at pthread_create.c:333
#17 0x00007f09ca765eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f09cae9a800 (LWP 17772)):
[KCrash Handler]
#6  0x00007f09c85c545e in node_create (this=0x1658fc0, avalue=..., akey=@0x459: <error reading variable>, aupdate=0x7ffc84ec65d0, adt=0x17db160) at /usr/include/qt4/QtCore/qmap.h:456
#7  QMap<KIO::ListJob*, KDirLister::Private::JobData>::detach_helper (this=this@entry=0x1658fc0) at /usr/include/qt4/QtCore/qmap.h:764
#8  0x00007f09c85c5533 in detach (this=<optimized out>) at /usr/include/qt4/QtCore/qmap.h:205
#9  QMap<KIO::ListJob*, KDirLister::Private::JobData>::remove (this=0x1658fc0, akey=@0x7ffc84ec6718: 0x16854a0) at /usr/include/qt4/QtCore/qmap.h:664
#10 0x00007f09c85b4977 in KDirLister::Private::jobDone (this=<optimized out>, job=0x16854a0) at ../../kio/kio/kdirlister.cpp:2649
#11 0x00007f09c85bf11c in KDirListerCache::slotResult (this=0x1659050, j=<optimized out>) at ../../kio/kio/kdirlister.cpp:1309
#12 0x00007f09c66c21ec in QMetaObject::activate (sender=sender@entry=0x16854a0, m=m@entry=0x7f09c6ee3f20 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffc84ec68f0) at kernel/qobject.cpp:3567
#13 0x00007f09c6b43362 in KJob::result (this=this@entry=0x16854a0, _t1=_t1@entry=0x16854a0) at ./kjob.moc:207
#14 0x00007f09c6b433b0 in KJob::emitResult (this=this@entry=0x16854a0) at ../../kdecore/jobs/kjob.cpp:318
#15 0x00007f09c859a6eb in KIO::SimpleJob::slotFinished (this=this@entry=0x16854a0) at ../../kio/kio/job.cpp:496
#16 0x00007f09c859f7ae in KIO::ListJob::slotFinished (this=0x16854a0) at ../../kio/kio/job.cpp:2713
#17 0x00007f09c8594b8b in KIO::SimpleJob::slotError (this=0x16854a0, err=<optimized out>, errorText=...) at ../../kio/kio/job.cpp:508
#18 0x00007f09c66c21ec in QMetaObject::activate (sender=sender@entry=0x1974cd0, m=m@entry=0x7f09c8958240 <KIO::SlaveInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffc84ec6c00) at kernel/qobject.cpp:3567
#19 0x00007f09c8644586 in KIO::SlaveInterface::error (this=this@entry=0x1974cd0, _t1=_t1@entry=143, _t2=...) at ./slaveinterface.moc:172
#20 0x00007f09c8635fe9 in KIO::Slave::gotInput (this=0x1974cd0) at ../../kio/kio/slave.cpp:353
#21 0x00007f09c66c21ec in QMetaObject::activate (sender=0x1325370, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3567
#22 0x00007f09c66c68e1 in QObject::event (this=0x1325370, e=<optimized out>) at kernel/qobject.cpp:1222
#23 0x00007f09c70b99bc in QApplicationPrivate::notify_helper (this=this@entry=0x1252060, receiver=receiver@entry=0x1325370, e=e@entry=0x158b7d0) at kernel/qapplication.cpp:4570
#24 0x00007f09c70c04d8 in QApplication::notify (this=this@entry=0x7ffc84ec7480, receiver=receiver@entry=0x1325370, e=e@entry=0x158b7d0) at kernel/qapplication.cpp:4356
#25 0x00007f09c7e1bb4a in KApplication::notify (this=0x7ffc84ec7480, receiver=0x1325370, event=0x158b7d0) at ../../kdeui/kernel/kapplication.cpp:311
#26 0x00007f09c66ad1cd in QCoreApplication::notifyInternal (this=0x7ffc84ec7480, receiver=receiver@entry=0x1325370, event=event@entry=0x158b7d0) at kernel/qcoreapplication.cpp:955
#27 0x00007f09c66b0a71 in sendEvent (event=0x158b7d0, receiver=0x1325370) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1222fc0) at kernel/qcoreapplication.cpp:1579
#29 0x00007f09c66b0f03 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1472
#30 0x00007f09c66dc6ee in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#31 postEventSourceDispatch (s=0x1256380) at kernel/qeventdispatcher_glib.cpp:300
#32 0x00007f09c1850c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f09c1850f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f09c1850fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f09c66dc85e in QEventDispatcherGlib::processEvents (this=0x12248a0, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#36 0x00007f09c7161c66 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f09c66abd21 in QEventLoop::processEvents (this=this@entry=0x7ffc84ec7360, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007f09c66ac085 in QEventLoop::exec (this=this@entry=0x7ffc84ec7360, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007f09c66b1b09 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#40 0x00007f09caa7cb5e in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_dolphin.so
#41 0x00007f09ca67fa40 in __libc_start_main (main=0x4006d0, argc=6, argv=0x7ffc84ec75c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc84ec75b8) at libc-start.c:289
#42 0x0000000000400709 in _start ()

Reported using DrKonqi