Bug 337337

Application: dolphin (4.13.2)
KDE Platform Version: 4.13.2
Qt Version: 4.8.6
Operating System: Linux 3.13.0-30-generic x86_64
Distribution: Ubuntu 14.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I connected my Samsung galaxy s2 as MTP device, then copy mp3 file to phone and then he crashed.

-- 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 0x7f9aae51a7c0 (LWP 3506))]

Thread 4 (Thread 0x7f9a90903700 (LWP 3507)):
#0  0x00007f9aa5229569 in __GI___pthread_mutex_lock (mutex=0x7f9a8c000a60) at ../nptl/pthread_mutex_lock.c:125
#1  0x00007f9aa4d89991 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9aa4d47a6c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9aa4d47f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9aa4d480ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9aa9e477be in QEventDispatcherGlib::processEvents (this=0x7f9a8c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f9aa9e190af in QEventLoop::processEvents (this=this@entry=0x7f9a90902de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f9aa9e193a5 in QEventLoop::exec (this=this@entry=0x7f9a90902de0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f9aa9d15c5f in QThread::exec (this=this@entry=0x21f22f0) at thread/qthread.cpp:537
#9  0x00007f9aa9dfa823 in QInotifyFileSystemWatcherEngine::run (this=0x21f22f0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f9aa9d1832f in QThreadPrivate::start (arg=0x21f22f0) at thread/qthread_unix.cpp:349
#11 0x00007f9aa5227182 in start_thread (arg=0x7f9a90903700) at pthread_create.c:312
#12 0x00007f9aadde530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f9a8bf49700 (LWP 3508)):
#0  0x00007f9aaddd7fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f9aa4d47fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9aa4d480ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9aa9e477be in QEventDispatcherGlib::processEvents (this=0x7f9a840008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007f9aa9e190af in QEventLoop::processEvents (this=this@entry=0x7f9a8bf48e20, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9aa9e193a5 in QEventLoop::exec (this=this@entry=0x7f9a8bf48e20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f9aa9d15c5f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:537
#7  0x00007f9aa9d1832f in QThreadPrivate::start (arg=0x24eadb0) at thread/qthread_unix.cpp:349
#8  0x00007f9aa5227182 in start_thread (arg=0x7f9a8bf49700) at pthread_create.c:312
#9  0x00007f9aadde530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f9a8b0d0700 (LWP 3509)):
#0  0x00007f9aaddf2ec6 in pthread_mutex_lock (mutex=0x7f9a7c000a60) at forward.c:192
#1  0x00007f9aa4d89991 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9aa4d47699 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9aa4d47f03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9aa4d480ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9aa9e477be in QEventDispatcherGlib::processEvents (this=0x7f9a7c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f9aa9e190af in QEventLoop::processEvents (this=this@entry=0x7f9a8b0cfde0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f9aa9e193a5 in QEventLoop::exec (this=this@entry=0x7f9a8b0cfde0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f9aa9d15c5f in QThread::exec (this=this@entry=0x250f5a0) at thread/qthread.cpp:537
#9  0x00007f9aa9dfa823 in QInotifyFileSystemWatcherEngine::run (this=0x250f5a0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f9aa9d1832f in QThreadPrivate::start (arg=0x250f5a0) at thread/qthread_unix.cpp:349
#11 0x00007f9aa5227182 in start_thread (arg=0x7f9a8b0d0700) at pthread_create.c:312
#12 0x00007f9aadde530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f9aae51a7c0 (LWP 3506)):
[KCrash Handler]
#6  QMetaObject::cast (this=this@entry=0x7f9aab2b90a0 <QWidget::staticMetaObject>, obj=obj@entry=0x102d89460) at kernel/qmetaobject.cpp:274
#7  0x00007f9aa9e30a8a in qt_qFindChildren_helper (parent=parent@entry=0x2c70030, name=..., re=re@entry=0x0, mo=..., list=list@entry=0x7fff4c6dcd40) at kernel/qobject.cpp:1849
#8  0x00007f9aa9e30a58 in qt_qFindChildren_helper (parent=parent@entry=0x21478e0, name=..., re=re@entry=0x0, mo=..., list=list@entry=0x7fff4c6dcd40) at kernel/qobject.cpp:1858
#9  0x00007f9aab5611e3 in findChildren<QWidget*> (aName=..., this=0x21478e0) at /usr/include/qt4/QtCore/qobject.h:170
#10 KAcceleratorManagerPrivate::traverseChildren (widget=widget@entry=0x21478e0, item=item@entry=0x2c6db50) at ../../kdeui/shortcuts/kacceleratormanager.cpp:274
#11 0x00007f9aab560d62 in KAcceleratorManagerPrivate::manageWidget (w=0x21478e0, item=0x2c6db50) at ../../kdeui/shortcuts/kacceleratormanager.cpp:344
#12 0x00007f9aab561540 in KAcceleratorManagerPrivate::manage (widget=widget@entry=0x21478e0) at ../../kdeui/shortcuts/kacceleratormanager.cpp:189
#13 0x00007f9aab561648 in KAcceleratorManager::manage (widget=widget@entry=0x21478e0, programmers_mode=programmers_mode@entry=false) at ../../kdeui/shortcuts/kacceleratormanager.cpp:515
#14 0x00007f9aab56285f in KCheckAccelerators::checkAccelerators (this=this@entry=0x2148300, automatic=<optimized out>) at ../../kdeui/shortcuts/kcheckaccelerators.cpp:243
#15 0x00007f9aab562bde in KCheckAccelerators::autoCheckSlot (this=0x2148300) at ../../kdeui/shortcuts/kcheckaccelerators.cpp:197
#16 0x00007f9aa9e2e87a in QMetaObject::activate (sender=0x2148320, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#17 0x00007f9aa9e32a31 in QObject::event (this=0x2148320, e=<optimized out>) at kernel/qobject.cpp:1156
#18 0x00007f9aaa80ce2c in QApplicationPrivate::notify_helper (this=this@entry=0x1fa4540, receiver=receiver@entry=0x2148320, e=e@entry=0x7fff4c6dd3f0) at kernel/qapplication.cpp:4567
#19 0x00007f9aaa8134a0 in QApplication::notify (this=this@entry=0x7fff4c6dd790, receiver=receiver@entry=0x2148320, e=e@entry=0x7fff4c6dd3f0) at kernel/qapplication.cpp:4353
#20 0x00007f9aab517d1a in KApplication::notify (this=0x7fff4c6dd790, receiver=0x2148320, event=0x7fff4c6dd3f0) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007f9aa9e1a4dd in QCoreApplication::notifyInternal (this=0x7fff4c6dd790, receiver=0x2148320, event=0x7fff4c6dd3f0) at kernel/qcoreapplication.cpp:953
#22 0x00007f9aa9e4a323 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QTimerInfoList::activateTimers (this=0x1fa8d00) at kernel/qeventdispatcher_unix.cpp:621
#24 0x00007f9aa9e475f1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:193
#25 0x00007f9aa4d47e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f9aa4d48048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f9aa4d480ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f9aa9e477be in QEventDispatcherGlib::processEvents (this=0x1f73a00, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#29 0x00007f9aaa8aebb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007f9aa9e190af in QEventLoop::processEvents (this=this@entry=0x7fff4c6dd660, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007f9aa9e193a5 in QEventLoop::exec (this=this@entry=0x7fff4c6dd660, flags=...) at kernel/qeventloop.cpp:204
#32 0x00007f9aa9e1eb79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#33 0x00007f9aaa80b37c in QApplication::exec () at kernel/qapplication.cpp:3828
#34 0x00007f9aae1005e7 in kdemain (argc=5, argv=0x7fff4c6dd8c8) at ../../../dolphin/src/main.cpp:93
#35 0x00007f9aadd0bec5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=5, argv=0x7fff4c6dd8c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff4c6dd8b8) at libc-start.c:287
#36 0x00000000004006fe in _start ()

Possible duplicates by query: bug 235906, bug 232091.

Reported using DrKonqi