Application: dolphin (2.2)
KDE Platform Version: 4.10.4
Qt Version: 4.8.4
Operating System: Linux 3.8.0-26-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
just copying while digikam could not do it, nor showphotos 
some response was "could not lock to the device"

The crash can be reproduced every time.

-- 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 0x7f994b7267c0 (LWP 3293))]

Thread 4 (Thread 0x7f992fcb2700 (LWP 3295)):
#0  0x00007f994afe43cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f99428211dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9942821304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9946eb6036 in QEventDispatcherGlib::processEvents (this=0x7f99280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f9946e8638f in QEventLoop::processEvents (this=this@entry=0x7f992fcb1d90, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9946e86618 in QEventLoop::exec (this=this@entry=0x7f992fcb1d90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f9946d88410 in QThread::exec (this=this@entry=0x1d99d00) at thread/qthread.cpp:542
#7  0x00007f9946e67edf in QInotifyFileSystemWatcherEngine::run (this=0x1d99d00) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007f9946d8abec in QThreadPrivate::start (arg=0x1d99d00) at thread/qthread_unix.cpp:338
#9  0x00007f9942cf3f8e in start_thread (arg=0x7f992fcb2700) at pthread_create.c:311
#10 0x00007f994aff0e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f992ecc3700 (LWP 3296)):
#0  0x00007f9942860359 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f99428605e9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9942820366 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99428210b4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9942821304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9946eb6036 in QEventDispatcherGlib::processEvents (this=0x7f99200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f9946e8638f in QEventLoop::processEvents (this=this@entry=0x7f992ecc2d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f9946e86618 in QEventLoop::exec (this=this@entry=0x7f992ecc2d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f9946d88410 in QThread::exec (this=this@entry=0x20a93a0) at thread/qthread.cpp:542
#9  0x00007f9946e67edf in QInotifyFileSystemWatcherEngine::run (this=0x20a93a0) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f9946d8abec in QThreadPrivate::start (arg=0x20a93a0) at thread/qthread_unix.cpp:338
#11 0x00007f9942cf3f8e in start_thread (arg=0x7f992ecc3700) at pthread_create.c:311
#12 0x00007f994aff0e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f992caf6700 (LWP 3318)):
#0  0x00007f994286035c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f99428605b9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f994282090b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99428210fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9942821304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9946eb6036 in QEventDispatcherGlib::processEvents (this=0x7f991c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f9946e8638f in QEventLoop::processEvents (this=this@entry=0x7f992caf5d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f9946e86618 in QEventLoop::exec (this=this@entry=0x7f992caf5d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f9946d88410 in QThread::exec (this=this@entry=0x2637f40) at thread/qthread.cpp:542
#9  0x00007f9946e67edf in QInotifyFileSystemWatcherEngine::run (this=0x2637f40) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f9946d8abec in QThreadPrivate::start (arg=0x2637f40) at thread/qthread_unix.cpp:338
#11 0x00007f9942cf3f8e in start_thread (arg=0x7f992caf6700) at pthread_create.c:311
#12 0x00007f994aff0e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f994b7267c0 (LWP 3293)):
[KCrash Handler]
#6  0x00007f9946e99164 in QObject::killTimer (this=0x22fdfc0, id=34413120) at kernel/qobject.cpp:1602
#7  0x00007f9946ea4ca1 in QTimer::stop (this=this@entry=0x22fdfc0) at kernel/qtimer.cpp:266
#8  0x00007f9946ea4cbf in QTimer::start (this=0x22fdfc0) at kernel/qtimer.cpp:216
#9  0x00007f9946ea4d08 in QTimer::start (this=<optimized out>, msec=msec@entry=200) at kernel/qtimer.cpp:234
#10 0x00007f9948c9e489 in KIO::CopyJobPrivate::slotResultConflictCopyingFiles (this=this@entry=0x2a25d20, job=job@entry=0x23a1300) at ../../kio/kio/copyjob.cpp:1428
#11 0x00007f9948c9f019 in KIO::CopyJobPrivate::slotResultCopyingFiles (this=0x2a25d20, job=0x23a1300) at ../../kio/kio/copyjob.cpp:1291
#12 0x00007f9946e9c0ef in QMetaObject::activate (sender=sender@entry=0x23a1300, m=m@entry=0x7f99476964e0 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff50a6d820) at kernel/qobject.cpp:3539
#13 0x00007f994730a4e2 in KJob::result (this=this@entry=0x23a1300, _t1=_t1@entry=0x23a1300) at ./kjob.moc:208
#14 0x00007f994730a520 in KJob::emitResult (this=this@entry=0x23a1300) at ../../kdecore/jobs/kjob.cpp:318
#15 0x00007f9948ccb65c in KIO::FileCopyJob::slotResult (this=0x23a1300, job=0x2a14940) at ../../kio/kio/job.cpp:2449
#16 0x00007f9946e9c0ef in QMetaObject::activate (sender=sender@entry=0x2a14940, m=m@entry=0x7f99476964e0 <KJob::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff50a6d9c0) at kernel/qobject.cpp:3539
#17 0x00007f994730a4e2 in KJob::result (this=this@entry=0x2a14940, _t1=_t1@entry=0x2a14940) at ./kjob.moc:208
#18 0x00007f994730a520 in KJob::emitResult (this=this@entry=0x2a14940) at ../../kdecore/jobs/kjob.cpp:318
#19 0x00007f9948ccbd05 in KIO::SimpleJob::slotFinished (this=this@entry=0x2a14940) at ../../kio/kio/job.cpp:494
#20 0x00007f9948ccc1a2 in KIO::TransferJob::slotFinished (this=0x2a14940) at ../../kio/kio/job.cpp:1081
#21 0x00007f9948cc30d6 in KIO::SimpleJob::slotError (this=0x2a14940, err=<optimized out>, errorText=...) at ../../kio/kio/job.cpp:506
#22 0x00007f9946e9c0ef in QMetaObject::activate (sender=sender@entry=0x2a38ec0, m=m@entry=0x7f9949067620 <KIO::SlaveInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff50a6dd60) at kernel/qobject.cpp:3539
#23 0x00007f9948d64026 in KIO::SlaveInterface::error (this=this@entry=0x2a38ec0, _t1=150, _t2=...) at ./slaveinterface.moc:173
#24 0x00007f9948d66fe0 in KIO::SlaveInterface::dispatch (this=0x2a38ec0, _cmd=102, rawdata=...) at ../../kio/kio/slaveinterface.cpp:205
#25 0x00007f9948d63e9a in KIO::SlaveInterface::dispatch (this=0x2a38ec0) at ../../kio/kio/slaveinterface.cpp:88
#26 0x00007f9948d5843e in KIO::Slave::gotInput (this=0x2a38ec0) at ../../kio/kio/slave.cpp:344
#27 0x00007f9946e9c0ef in QMetaObject::activate (sender=0x2a09e90, m=m@entry=0x7f9949060b40 <KIO::Connection::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#28 0x00007f9948c97830 in KIO::Connection::readyRead (this=<optimized out>) at ./connection.moc:106
#29 0x00007f9948c97d22 in dequeue (this=<optimized out>) at ../../kio/kio/connection.cpp:82
#30 KIO::ConnectionPrivate::dequeue (this=0x2417bc0) at ../../kio/kio/connection.cpp:71
#31 0x00007f9946ea15be in QObject::event (this=0x2a09e90, e=<optimized out>) at kernel/qobject.cpp:1194
#32 0x00007f99478708ec in QApplicationPrivate::notify_helper (this=this@entry=0x1baf5c0, receiver=receiver@entry=0x2a09e90, e=e@entry=0x2bf4aa0) at kernel/qapplication.cpp:4567
#33 0x00007f994787325b in QApplication::notify (this=this@entry=0x7fff50a6ebc0, receiver=receiver@entry=0x2a09e90, e=e@entry=0x2bf4aa0) at kernel/qapplication.cpp:4428
#34 0x00007f994857daf6 in KApplication::notify (this=0x7fff50a6ebc0, receiver=0x2a09e90, event=0x2bf4aa0) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007f9946e8763e in QCoreApplication::notifyInternal (this=0x7fff50a6ebc0, receiver=receiver@entry=0x2a09e90, event=event@entry=0x2bf4aa0) at kernel/qcoreapplication.cpp:946
#36 0x00007f9946e8b171 in sendEvent (event=0x2bf4aa0, receiver=0x2a09e90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1b75130) at kernel/qcoreapplication.cpp:1570
#38 0x00007f9946e8b4a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#39 0x00007f9946eb5e83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#40 postEventSourceDispatch (s=0x1ba96f0) at kernel/qeventdispatcher_glib.cpp:279
#41 0x00007f9942820f05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f9942821248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f9942821304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f9946eb6016 in QEventDispatcherGlib::processEvents (this=0x1b76a10, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#45 0x00007f99479161ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#46 0x00007f9946e8638f in QEventLoop::processEvents (this=this@entry=0x7fff50a6ea80, flags=...) at kernel/qeventloop.cpp:149
#47 0x00007f9946e86618 in QEventLoop::exec (this=this@entry=0x7fff50a6ea80, flags=...) at kernel/qeventloop.cpp:204
#48 0x00007f9946e8bcf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#49 0x00007f994b30e827 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_dolphin.so
#50 0x00007f994af18ea5 in __libc_start_main (main=0x4006d0, argc=6, ubp_av=0x7fff50a6ecf8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff50a6ece8) at libc-start.c:260
#51 0x0000000000400701 in _start ()

Possible duplicates by query: bug 313680.

Reported using DrKonqi