Application: digikam (2.1.1)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: Run digikam > select photo from My Albums> click Image Editor > Menu Effects > Color Effects...

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
[Current thread is 1 (Thread 0xb54cc8c0 (LWP 6937))]

Thread 6 (Thread 0xb4644b70 (LWP 6938)):
#0  0x003a0416 in __kernel_vsyscall ()
#1  0x003aba5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x02da8cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x05cbbcc0 in wait (time=4294967295, this=0xa0ff6e8) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0xa0ff614, mutex=0xa0ff610, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x081faf45 in Digikam::ScanController::run (this=0xa13fda8) at /build/buildd/digikam-2.1.1/core/digikam/database/scancontroller.cpp:647
#6  0x05cbb7b3 in QThreadPrivate::start (arg=0xa13fda8) at thread/qthread_unix.cpp:331
#7  0x003a7d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x02d9b0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 5 (Thread 0xb3e43b70 (LWP 6939)):
#0  0x02aa7d10 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x05d127d5 in do_gettime (frac=0xb3e42e70, sec=0xb3e42e68) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x05de54b6 in QTimerInfoList::updateCurrentTime (this=0xa12b6bc) at kernel/qeventdispatcher_unix.cpp:339
#4  0x05de580a in QTimerInfoList::timerWait (this=0xa12b6bc, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x05de4053 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb3e42f7c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x05de40ed in timerSourcePrepare (source=0xa12b688, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0251888c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x02519637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x02519c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x05de4b37 in QEventDispatcherGlib::processEvents (this=0xa12af08, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x05db51dd in QEventLoop::processEvents (this=0xb3e43100, flags=...) at kernel/qeventloop.cpp:149
#12 0x05db5421 in QEventLoop::exec (this=0xb3e43100, flags=...) at kernel/qeventloop.cpp:201
#13 0x05cb890b in QThread::exec (this=0xa129030) at thread/qthread.cpp:498
#14 0x05d95e2d in QInotifyFileSystemWatcherEngine::run (this=0xa129030) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x05cbb7b3 in QThreadPrivate::start (arg=0xa129030) at thread/qthread_unix.cpp:331
#16 0x003a7d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x02d9b0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 4 (Thread 0xb34ffb70 (LWP 6942)):
#0  0x003a0416 in __kernel_vsyscall ()
#1  0x003aba5c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x02da8cfc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x05cbbcc0 in wait (time=4294967295, this=0xa37da28) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0xa37d6f8, mutex=0xa37d6f4, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x04ceaf54 in Digikam::ParkingThread::run (this=0xa37d6e8) at /build/buildd/digikam-2.1.1/core/libs/threads/threadmanager.cpp:119
#6  0x05cbb7b3 in QThreadPrivate::start (arg=0xa37d6e8) at thread/qthread_unix.cpp:331
#7  0x003a7d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x02d9b0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xb1923b70 (LWP 6943)):
#0  0x003a0416 in __kernel_vsyscall ()
#1  0x02d8c40e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x0252834b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x02519896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x02519c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x05de4b37 in QEventDispatcherGlib::processEvents (this=0xa54b258, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x05db51dd in QEventLoop::processEvents (this=0xb1923100, flags=...) at kernel/qeventloop.cpp:149
#7  0x05db5421 in QEventLoop::exec (this=0xb1923100, flags=...) at kernel/qeventloop.cpp:201
#8  0x05cb890b in QThread::exec (this=0xa5226c8) at thread/qthread.cpp:498
#9  0x05d95e2d in QInotifyFileSystemWatcherEngine::run (this=0xa5226c8) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x05cbb7b3 in QThreadPrivate::start (arg=0xa5226c8) at thread/qthread_unix.cpp:331
#11 0x003a7d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x02d9b0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xaa9ffb70 (LWP 6989)):
[KCrash Handler]
#7  Digikam::ImageHistogram::calculate (this=0xb54fc10) at /build/buildd/digikam-2.1.1/core/libs/dimg/filters/levels/imagehistogram.cpp:237
#8  0x04bbadcb in Digikam::ImageHistogram::run (this=0xb54fc10) at /build/buildd/digikam-2.1.1/core/libs/dimg/filters/levels/imagehistogram.cpp:174
#9  0x04cec8ee in Digikam::DynamicThread::DynamicThreadPriv::run (this=0xc3b51d0) at /build/buildd/digikam-2.1.1/core/libs/threads/dynamicthread.cpp:328
#10 0x05caf651 in QThreadPoolThread::run (this=0xaa31c28) at concurrent/qthreadpool.cpp:106
#11 0x05cbb7b3 in QThreadPrivate::start (arg=0xaa31c28) at thread/qthread_unix.cpp:331
#12 0x003a7d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0x02d9b0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb54cc8c0 (LWP 6937)):
#0  0x003a0416 in __kernel_vsyscall ()
#1  0x02d8c40e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x08a5b000 in ?? () from /usr/lib/i386-linux-gnu/libxcb.so.1
#3  0x08a5b60c in ?? () from /usr/lib/i386-linux-gnu/libxcb.so.1
#4  0x08a5b6c1 in xcb_writev () from /usr/lib/i386-linux-gnu/libxcb.so.1
#5  0x056ec0d0 in _XSend () from /usr/lib/i386-linux-gnu/libX11.so.6
#6  0x056ec6da in _XReply () from /usr/lib/i386-linux-gnu/libX11.so.6
#7  0x056e7e76 in XSync () from /usr/lib/i386-linux-gnu/libX11.so.6
#8  0x06c7145e in syncX (this=0xb46b048) at painting/qwindowsurface_raster.cpp:127
#9  QRasterWindowSurface::syncX (this=0xb46b048) at painting/qwindowsurface_raster.cpp:123
#10 0x06c7197e in QRasterWindowSurface::beginPaint (this=0xb46b048, rgn=...) at painting/qwindowsurface_raster.cpp:136
#11 0x06c8c7c1 in QWidgetBackingStore::beginPaint (this=0xb4647f0, toClean=..., widget=0xb462718, windowSurface=0xb46b048, returnInfo=0xbfeebc0c, toCleanIsInTopLevelCoordinates=true) at painting/qbackingstore.cpp:360
#12 0x06c92733 in QWidgetBackingStore::sync (this=0xb4647f0) at painting/qbackingstore.cpp:1269
#13 0x06a9e6cb in QWidgetPrivate::syncBackingStore (this=0xb4628b0) at kernel/qwidget.cpp:1862
#14 0x06aac8cf in QWidget::event (this=0xb462718, event=0xb9c5d08) at kernel/qwidget.cpp:8588
#15 0x06ece4cc in QMainWindow::event (this=0xb462718, event=0xb9c5d08) at widgets/qmainwindow.cpp:1478
#16 0x02162174 in KMainWindow::event (this=0xb462718, ev=0xb9c5d08) at ../../kdeui/widgets/kmainwindow.cpp:1084
#17 0x021aa352 in KXmlGuiWindow::event (this=0xb462718, ev=0xb9c5d08) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:126
#18 0x06a51d54 in notify_helper (e=0xb9c5d08, receiver=0xb462718, this=0xa0127a0) at kernel/qapplication.cpp:4486
#19 QApplicationPrivate::notify_helper (this=0xa0127a0, receiver=0xb462718, e=0xb9c5d08) at kernel/qapplication.cpp:4458
#20 0x06a571a8 in QApplication::notify (this=0xa0127a0, receiver=0xb462718, e=0xb9c5d08) at kernel/qapplication.cpp:4451
#21 0x02086681 in KApplication::notify (this=0xbfeec610, receiver=0xb462718, event=0xb9c5d08) at ../../kdeui/kernel/kapplication.cpp:311
#22 0x05db619e in QCoreApplication::notifyInternal (this=0xbfeec610, receiver=0xb462718, event=0xb9c5d08) at kernel/qcoreapplication.cpp:787
#23 0x05db9f93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9fc9340) at kernel/qcoreapplication.cpp:1428
#25 0x05dba0ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1321
#26 0x05de46a4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#27 postEventSourceDispatch (s=0xa00e2b8) at kernel/qeventdispatcher_glib.cpp:277
#28 0x0251925f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0x02519990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0x02519c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0x05de4ada in QEventDispatcherGlib::processEvents (this=0x9fca038, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#32 0x06b09e3a in QGuiEventDispatcherGlib::processEvents (this=0x9fca038, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x05db51dd in QEventLoop::processEvents (this=0xbfeec4f4, flags=...) at kernel/qeventloop.cpp:149
#34 0x05db5421 in QEventLoop::exec (this=0xbfeec4f4, flags=...) at kernel/qeventloop.cpp:201
#35 0x05dba19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#36 0x06a4f8f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#37 0x080b4b64 in main (argc=) at /build/buildd/digikam-2.1.1/core/digikam/main/main.cpp:232

Possible duplicates by query: bug 284528, bug 281724, bug 278748, bug 275299, bug 274555.

Reported using DrKonqi