Application: digikam (2.5.0)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-30-generic x86_64
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Digikam crashes in image editing modus when I press the save button. 
This is a problem I have since version 11 of Ubuntu
Current operatin system is Ubuntu 12.04

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff1ac7f3a00 (LWP 2639))]

Thread 10 (Thread 0x7ff1892ae700 (LWP 2643)):
#0  0x00007ff1a5c73b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff19f1e4036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff19f1e449a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff1892b398b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007ff19f2059e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff1a1596e9a in start_thread (arg=0x7ff1892ae700) at pthread_create.c:308
#6  0x00007ff1a5c7f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7ff183fff700 (LWP 2644)):
#0  0x00007ff1a5c73b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff19f1e4036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff19f1e449a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff194fbc406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ff19f2059e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff1a1596e9a in start_thread (arg=0x7ff183fff700) at pthread_create.c:308
#6  0x00007ff1a5c7f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7ff17b089700 (LWP 2646)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff1a6a534db in wait (time=18446744073709551615, this=0x23bc330) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x23bc228, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00000000005ca1d0 in ?? ()
#4  0x00007ff1a6a52fcb in QThreadPrivate::start (arg=0x23bbfc0) at thread/qthread_unix.cpp:298
#5  0x00007ff1a1596e9a in start_thread (arg=0x7ff17b089700) at pthread_create.c:308
#6  0x00007ff1a5c7f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7ff17a888700 (LWP 2647)):
#0  0x00007ff1a5c73b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff19f1e4036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff19f1e4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff1a6b81426 in QEventDispatcherGlib::processEvents (this=0x7ff1680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007ff1a6b50c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff1a6b50ed7 in QEventLoop::exec (this=0x7ff17a887b50, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff1a6a4ffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007ff1a6b309ff in QInotifyFileSystemWatcherEngine::run (this=0x23bece0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007ff1a6a52fcb in QThreadPrivate::start (arg=0x23bece0) at thread/qthread_unix.cpp:298
#9  0x00007ff1a1596e9a in start_thread (arg=0x7ff17a888700) at pthread_create.c:308
#10 0x00007ff1a5c7f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7ff17a087700 (LWP 2649)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff1a6a534db in wait (time=18446744073709551615, this=0x28b35a0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x28b3308, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff1a9e58ff1 in ?? () from /usr/lib/libdigikamcore.so.2
#4  0x00007ff1a6a52fcb in QThreadPrivate::start (arg=0x28b32f0) at thread/qthread_unix.cpp:298
#5  0x00007ff1a1596e9a in start_thread (arg=0x7ff17a087700) at pthread_create.c:308
#6  0x00007ff1a5c7f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7ff132f07700 (LWP 2707)):
#0  0x00007fff61fff70c in ?? ()
#1  0x00007fff61fff959 in ?? ()
#2  0x00007ff19de5315d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#3  0x00007ff1a6aa9bb4 in do_gettime (frac=0x7ff132f068e8, sec=0x7ff132f068e0) at tools/qelapsedtimer_unix.cpp:123
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#5  0x00007ff1a6b81b8d in QTimerInfoList::updateCurrentTime (this=0x7ff108001420) at kernel/qeventdispatcher_unix.cpp:343
#6  0x00007ff1a6b81ec3 in QTimerInfoList::timerWait (this=0x7ff108001420, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#7  0x00007ff1a6b8097c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7ff132f069bc) at kernel/qeventdispatcher_glib.cpp:136
#8  0x00007ff1a6b80a25 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#9  0x00007ff19f1e3846 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ff19f1e3f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ff19f1e4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007ff1a6b81426 in QEventDispatcherGlib::processEvents (this=0x7ff1080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#13 0x00007ff1a6b50c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#14 0x00007ff1a6b50ed7 in QEventLoop::exec (this=0x7ff132f06b20, flags=...) at kernel/qeventloop.cpp:204
#15 0x00007ff1a9e5866e in ?? () from /usr/lib/libdigikamcore.so.2
#16 0x00007ff1a6a464f2 in QThreadPoolThread::run (this=0x48cc550) at concurrent/qthreadpool.cpp:107
#17 0x00007ff1a6a52fcb in QThreadPrivate::start (arg=0x48cc550) at thread/qthread_unix.cpp:298
#18 0x00007ff1a1596e9a in start_thread (arg=0x7ff132f07700) at pthread_create.c:308
#19 0x00007ff1a5c7f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#20 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ff131704700 (LWP 2710)):
#0  0x00007ff1a5c720bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007ff19f21e8cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff19f1e3ba4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff19f1e3fd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff19f1e4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff1a6b81426 in QEventDispatcherGlib::processEvents (this=0x7ff0f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007ff1a6b50c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ff1a6b50ed7 in QEventLoop::exec (this=0x7ff131703b20, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007ff1a9e5866e in ?? () from /usr/lib/libdigikamcore.so.2
#9  0x00007ff1a6a464f2 in QThreadPoolThread::run (this=0x450c160) at concurrent/qthreadpool.cpp:107
#10 0x00007ff1a6a52fcb in QThreadPrivate::start (arg=0x450c160) at thread/qthread_unix.cpp:298
#11 0x00007ff1a1596e9a in start_thread (arg=0x7ff131704700) at pthread_create.c:308
#12 0x00007ff1a5c7f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ff130f03700 (LWP 2711)):
#0  0x00007ff1a5c73b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff19f1e4036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff19f1e4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff1a6b81426 in QEventDispatcherGlib::processEvents (this=0x7ff0f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007ff1a6b50c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff1a6b50ed7 in QEventLoop::exec (this=0x7ff130f02b20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff1a9e5866e in ?? () from /usr/lib/libdigikamcore.so.2
#7  0x00007ff1a6a464f2 in QThreadPoolThread::run (this=0x4301070) at concurrent/qthreadpool.cpp:107
#8  0x00007ff1a6a52fcb in QThreadPrivate::start (arg=0x4301070) at thread/qthread_unix.cpp:298
#9  0x00007ff1a1596e9a in start_thread (arg=0x7ff130f03700) at pthread_create.c:308
#10 0x00007ff1a5c7f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff130702700 (LWP 2712)):
#0  0x00007ff1a5c8d0f0 in pthread_mutex_unlock (mutex=0x7ff0fc000a60) at forward.c:184
#1  0x00007ff19f21f5d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff19f1e3fe9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff19f1e4164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff1a6b81426 in QEventDispatcherGlib::processEvents (this=0x7ff0fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007ff1a6b50c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007ff1a6b50ed7 in QEventLoop::exec (this=0x7ff130701b20, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007ff1a9e5866e in ?? () from /usr/lib/libdigikamcore.so.2
#8  0x00007ff1a6a464f2 in QThreadPoolThread::run (this=0x2cc6ae0) at concurrent/qthreadpool.cpp:107
#9  0x00007ff1a6a52fcb in QThreadPrivate::start (arg=0x2cc6ae0) at thread/qthread_unix.cpp:298
#10 0x00007ff1a1596e9a in start_thread (arg=0x7ff130702700) at pthread_create.c:308
#11 0x00007ff1a5c7f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff1ac7f3a00 (LWP 2639)):
[KCrash Handler]
#6  size (this=0xffffffff00000001) at ../../include/QtCore/../../src/corelib/tools/qvector.h:137
#7  QSortFilterProxyModelPrivate::proxy_to_source (this=0x4016410, proxy_index=...) at itemviews/qsortfilterproxymodel.cpp:370
#8  0x00007ff1a7af8edd in QSortFilterProxyModel::mapToSource (this=<optimized out>, proxyIndex=...) at itemviews/qsortfilterproxymodel.cpp:2502
#9  0x00007ff1a985c8e6 in Digikam::ImageSortFilterModel::mapToSourceImageModel(QModelIndex const&) const () from /usr/lib/libdigikamdatabase.so.2
#10 0x00007ff1a985cb6c in Digikam::ImageSortFilterModel::imageInfo(QModelIndex const&) const () from /usr/lib/libdigikamdatabase.so.2
#11 0x00000000004902fb in _start ()

Possible duplicates by query: bug 306162, bug 303174, bug 298953, bug 289389, bug 285250.

Reported using DrKonqi