Bug 282163

Application: digikam (2.1.1)
KDE Platform Version: 4.7.00 (4.7.0)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed: I was browsing through new images in the downloading images from my USB-Drive-dialog. I scrolled down the list of the images.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f2424d21a20 (LWP 4939))]

Thread 7 (Thread 0x7f2403725700 (LWP 4941)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f241d1fb82b in wait (this=<value optimized out>, mutex=0x1540258, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1540258, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00000000005bbd30 in Digikam::ScanController::run (this=0x16718b0) at /build/buildd/digikam2-2.1.1/core/digikam/database/scancontroller.cpp:647
#4  0x00007f241d1fb175 in QThreadPrivate::start (arg=0x16718b0) at thread/qthread_unix.cpp:320
#5  0x00007f241bed7d8c in start_thread (arg=0x7f2403725700) at pthread_create.c:304
#6  0x00007f241c1d504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f2402f24700 (LWP 4942)):
#0  0x00007f241c1c7f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2416885104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2416885639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f241d30d446 in QEventDispatcherGlib::processEvents (this=0x1583110, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f241d2e1882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f241d2e1abc in QEventLoop::exec (this=0x7f2402f23b30, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f241d1f8924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f241d2c3c2f in QInotifyFileSystemWatcherEngine::run (this=0x1558910) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f241d1fb175 in QThreadPrivate::start (arg=0x1558910) at thread/qthread_unix.cpp:320
#9  0x00007f241bed7d8c in start_thread (arg=0x7f2402f24700) at pthread_create.c:304
#10 0x00007f241c1d504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f2402723700 (LWP 4957)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f241d1fb82b in wait (this=<value optimized out>, mutex=0x1515de8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1515de8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f2421cd8a67 in Digikam::ParkingThread::run (this=0x1515dd0) at /build/buildd/digikam2-2.1.1/core/libs/threads/threadmanager.cpp:119
#4  0x00007f241d1fb175 in QThreadPrivate::start (arg=0x1515dd0) at thread/qthread_unix.cpp:320
#5  0x00007f241bed7d8c in start_thread (arg=0x7f2402723700) at pthread_create.c:304
#6  0x00007f241c1d504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f2400b38700 (LWP 4958)):
#0  0x00007f241c1c7f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2416885104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2416885639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f241d30d446 in QEventDispatcherGlib::processEvents (this=0x1bb2030, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f241d2e1882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f241d2e1abc in QEventLoop::exec (this=0x7f2400b37b30, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f241d1f8924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007f241d2c3c2f in QInotifyFileSystemWatcherEngine::run (this=0x1bb4b20) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f241d1fb175 in QThreadPrivate::start (arg=0x1bb4b20) at thread/qthread_unix.cpp:320
#9  0x00007f241bed7d8c in start_thread (arg=0x7f2400b38700) at pthread_create.c:304
#10 0x00007f241c1d504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f23e5618700 (LWP 5021)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f241d1fb82b in wait (this=<value optimized out>, mutex=0x467c2e8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x467c2e8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x000000000077c65b in Digikam::CameraController::run (this=0x468fce0) at /build/buildd/digikam2-2.1.1/core/utilities/cameragui/controller/cameracontroller.cpp:385
#4  0x00007f241d1fb175 in QThreadPrivate::start (arg=0x468fce0) at thread/qthread_unix.cpp:320
#5  0x00007f241bed7d8c in start_thread (arg=0x7f23e5618700) at pthread_create.c:304
#6  0x00007f241c1d504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f23e761c700 (LWP 5090)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f241d1fb82b in wait (this=<value optimized out>, mutex=0x7f23fc07ee68, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x7f23fc07ee68, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x000000000078042d in Digikam::CameraHistoryUpdater::run (this=0x7f23fc05bc30) at /build/buildd/digikam2-2.1.1/core/utilities/cameragui/controller/camerahistoryupdater.cpp:118
#4  0x00007f241d1fb175 in QThreadPrivate::start (arg=0x7f23fc05bc30) at thread/qthread_unix.cpp:320
#5  0x00007f241bed7d8c in start_thread (arg=0x7f23e761c700) at pthread_create.c:304
#6  0x00007f241c1d504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2424d21a20 (LWP 4939)):
[KCrash Handler]
#6  appendTo (this=0x3d8c730, folder=<value optimized out>, filename=...) at /usr/include/qt4/QtCore/qstringbuilder.h:214
#7  appendTo (this=0x3d8c730, folder=<value optimized out>, filename=...) at /usr/include/qt4/QtCore/qstringbuilder.h:293
#8  operator QString (this=0x3d8c730, folder=<value optimized out>, filename=...) at /usr/include/qt4/QtCore/qstringbuilder.h:108
#9  Digikam::CameraIconView::findItem (this=0x3d8c730, folder=<value optimized out>, filename=...) at /build/buildd/digikam2-2.1.1/core/utilities/cameragui/views/cameraiconview.cpp:292
#10 0x000000000078f9a1 in Digikam::CameraIconView::slotThumbInfoReady (this=0x3d8c730, info=<value optimized out>) at /build/buildd/digikam2-2.1.1/core/utilities/cameragui/views/cameraiconview.cpp:229
#11 0x00000000007915a8 in Digikam::CameraIconView::qt_metacall (this=0x3d8c730, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe580ae80) at /build/buildd/digikam2-2.1.1/obj-x86_64-linux-gnu/core/utilities/cameragui/cameraiconview.moc:145
#12 0x00007f241d2f75f8 in QMetaObject::activate (sender=0x4690240, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffe580ae80) at kernel/qobject.cpp:3287
#13 0x000000000077d580 in Digikam::CameraThumbsCtrl::signalThumbInfoReady (this=<value optimized out>, _t1=<value optimized out>) at /build/buildd/digikam2-2.1.1/obj-x86_64-linux-gnu/core/utilities/cameragui/camerathumbsctrl.moc:99
#14 0x000000000077e83e in Digikam::CameraThumbsCtrl::procressKDEPreview (this=0x4690240, item=..., pix=<value optimized out>) at /build/buildd/digikam2-2.1.1/core/utilities/cameragui/controller/camerathumbsctrl.cpp:180
#15 0x000000000077ec8a in Digikam::CameraThumbsCtrl::slotFailedKDEPreview (this=0x4690240, item=...) at /build/buildd/digikam2-2.1.1/core/utilities/cameragui/controller/camerathumbsctrl.cpp:156
#16 0x000000000077ed21 in Digikam::CameraThumbsCtrl::qt_metacall (this=0x4690240, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe580b190) at /build/buildd/digikam2-2.1.1/obj-x86_64-linux-gnu/core/utilities/cameragui/camerathumbsctrl.moc:87
#17 0x00007f241d2f75f8 in QMetaObject::activate (sender=0x49129d0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffe580b190) at kernel/qobject.cpp:3287
#18 0x00007f241fc12695 in KIO::PreviewJob::failed (this=<value optimized out>, _t1=<value optimized out>) at ./previewjob.moc:106
#19 0x00007f241fc1539d in KIO::PreviewJobPrivate::startPreview (this=0x4c25a20) at ../../kio/kio/previewjob.cpp:344
#20 0x00007f241fc154cd in KIO::PreviewJob::qt_metacall (this=0x49129d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x4a06010) at ./previewjob.moc:86
#21 0x00007f241d2f649a in QObject::event (this=0x49129d0, e=<value optimized out>) at kernel/qobject.cpp:1226
#22 0x00007f241def49f4 in QApplicationPrivate::notify_helper (this=0x149fb20, receiver=0x49129d0, e=0x4879ab0) at kernel/qapplication.cpp:4462
#23 0x00007f241def93ba in QApplication::notify (this=<value optimized out>, receiver=0x49129d0, e=0x4879ab0) at kernel/qapplication.cpp:4341
#24 0x00007f241ec04796 in KApplication::notify (this=0x7fffe580bfa0, receiver=0x49129d0, event=0x4879ab0) at ../../kdeui/kernel/kapplication.cpp:311
#25 0x00007f241d2e249c in QCoreApplication::notifyInternal (this=0x7fffe580bfa0, receiver=0x49129d0, event=0x4879ab0) at kernel/qcoreapplication.cpp:731
#26 0x00007f241d2e5c25 in sendEvent (receiver=0x0, event_type=0, data=0x141c3d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#27 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x141c3d0) at kernel/qcoreapplication.cpp:1372
#28 0x00007f241d30d253 in sendPostedEvents (s=0x14a3ab0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#29 postEventSourceDispatch (s=0x14a3ab0) at kernel/qeventdispatcher_glib.cpp:277
#30 0x00007f2416884bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f24168853a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f2416885639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f241d30d3ef in QEventDispatcherGlib::processEvents (this=0x141bbb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#34 0x00007f241df9e4de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x00007f241d2e1882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#36 0x00007f241d2e1abc in QEventLoop::exec (this=0x7fffe580bdf0, flags=...) at kernel/qeventloop.cpp:201
#37 0x00007f241d2e5ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#38 0x000000000068be24 in main (argc=3, argv=0x7fffe580c7f8) at /build/buildd/digikam2-2.1.1/core/digikam/main/main.cpp:232

Reported using DrKonqi