Bug 259031

Application: digikam (1.4.0)
KDE Platform Version: 4.5.3 (KDE 4.5.3)
Qt Version: 4.7.0
Operating System: Linux 2.6.32-26-generic x86_64
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
searching for missing thumbnails & searching for missing pictures

The crash can be reproduced some of the time.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f872625d7c0 (LWP 6523))]

Thread 16 (Thread 0x7f8705706700 (LWP 6524)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007f871ef3b5d9 in _L_lock_953 () from /lib/libpthread.so.0
#2  0x00007f871ef3b3fb in __pthread_mutex_lock (mutex=0x19ac128) at pthread_mutex_lock.c:61
#3  0x00007f871a86d97d in g_main_context_wakeup () from /lib/libglib-2.0.so.0
#4  0x00007f871f2bfb51 in QCoreApplication::postEvent (receiver=0x1bfbdc0, event=0x7f86fcb88d90, priority=0) at kernel/qcoreapplication.cpp:1195
#5  0x00007f871f2ce947 in queued_activate (sender=0x7f8705705d40, signal=<value optimized out>, c=0x7f86fca6fe40, argv=0x2, semaphore=0x0) at kernel/qobject.cpp:3158
#6  0x00007f871f2d4cd9 in QMetaObject::activate (sender=0x7f8705705d40, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3251
#7  0x00007f8722c90df1 in Digikam::CollectionScanner::scannedFiles (this=0x19ac128, _t1=2) at /build/buildd/digikam-1.4.0/obj-x86_64-linux-gnu/digikam/collectionscanner.moc:182
#8  0x00007f8722c95d5d in Digikam::CollectionScanner::scanAlbum (this=<value optimized out>, location=<value optimized out>, album=<value optimized out>)
    at /build/buildd/digikam-1.4.0/libs/database/collectionscanner.cpp:678
#9  0x00007f8722c95c43 in Digikam::CollectionScanner::scanAlbum (this=<value optimized out>, location=<value optimized out>, album=<value optimized out>)
    at /build/buildd/digikam-1.4.0/libs/database/collectionscanner.cpp:691
#10 0x00007f8722c95c43 in Digikam::CollectionScanner::scanAlbum (this=<value optimized out>, location=<value optimized out>, album=<value optimized out>)
    at /build/buildd/digikam-1.4.0/libs/database/collectionscanner.cpp:691
#11 0x00007f8722c95c43 in Digikam::CollectionScanner::scanAlbum (this=<value optimized out>, location=<value optimized out>, album=<value optimized out>)
    at /build/buildd/digikam-1.4.0/libs/database/collectionscanner.cpp:691
#12 0x00007f8722c95c43 in Digikam::CollectionScanner::scanAlbum (this=<value optimized out>, location=<value optimized out>, album=<value optimized out>)
    at /build/buildd/digikam-1.4.0/libs/database/collectionscanner.cpp:691
#13 0x00007f8722c96727 in Digikam::CollectionScanner::scanAlbumRoot (this=0x7f8705705d40, location=...) at /build/buildd/digikam-1.4.0/libs/database/collectionscanner.cpp:485
#14 0x00007f8722c96aa0 in Digikam::CollectionScanner::completeScan (this=0x7f8705705d40) at /build/buildd/digikam-1.4.0/libs/database/collectionscanner.cpp:254
#15 0x00000000006f1665 in Digikam::ScanController::run (this=0x1bfbdc0) at /build/buildd/digikam-1.4.0/digikam/scancontroller.cpp:540
#16 0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x1bfbdc0) at thread/qthread_unix.cpp:266
#17 0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#18 0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7f8704f05700 (LWP 6535)):
#0  0x00007f871ef3ca2d in __pthread_mutex_unlock_usercnt (mutex=0x1d6c168) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x1d6c168) at pthread_mutex_unlock.c:290
#2  0x00007f871a86fb01 in g_main_context_check () from /lib/libglib-2.0.so.0
#3  0x00007f871a8704c3 in ?? () from /lib/libglib-2.0.so.0
#4  0x00007f871a8708fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00007f871f2e91d6 in QEventDispatcherGlib::processEvents (this=0x1d31bb0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#6  0x00007f871f2bbdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#7  0x00007f871f2bc1bc in QEventLoop::exec (this=0x7f8704f04d90, flags=) at kernel/qeventloop.cpp:201
#8  0x00007f871f1c736d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#9  0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x1e777a0) at thread/qthread_unix.cpp:266
#10 0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7f87044f7700 (LWP 6536)):
#0  0x00007fff81549904 in clock_gettime ()
#1  0x00007f8715cd909f in *__GI_clock_gettime (clock_id=1, tp=0x7f87044f6ac0) at ../sysdeps/unix/clock_gettime.c:100
#2  0x00007f871f21f4af in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#4  0x00007f871f2eb1ed in QTimerInfoList::updateCurrentTime (this=0x1) at kernel/qeventdispatcher_unix.cpp:339
#5  0x00007f871f2eb215 in QTimerInfoList::timerWait (this=0x1, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#6  0x00007f871f2e93cd in timerSourcePrepareHelper (src=<value optimized out>, timeout=0x7f87044f6bfc) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f871f2e9475 in timerSourcePrepare (source=0x1, timeout=0x7f87044f6ac0) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007f871a86feb1 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#9  0x00007f871a870318 in ?? () from /lib/libglib-2.0.so.0
#10 0x00007f871a8708fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#11 0x00007f871f2e91d6 in QEventDispatcherGlib::processEvents (this=0x1d8c190, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#12 0x00007f871f2bbdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#13 0x00007f871f2bc1bc in QEventLoop::exec (this=0x7f87044f6d90, flags=) at kernel/qeventloop.cpp:201
#14 0x00007f871f1c736d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#15 0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x1ced0a0) at thread/qthread_unix.cpp:266
#16 0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#17 0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#18 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f8702fa6700 (LWP 6537)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f871f1caeab in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1fe9998, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1fe9998, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f8723237b3c in Digikam::ParkingThread::run (this=0x1fe9980) at /build/buildd/digikam-1.4.0/libs/threads/threadmanager.cpp:101
#4  0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x1fe9980) at thread/qthread_unix.cpp:266
#5  0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f87027a5700 (LWP 6538)):
#0  0x00007fff81549904 in clock_gettime ()
#1  0x00007f8715cd909f in *__GI_clock_gettime (clock_id=1, tp=0x7f87027a4ac0) at ../sysdeps/unix/clock_gettime.c:100
#2  0x00007f871f21f4af in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#4  0x00007f871f2eb1ed in QTimerInfoList::updateCurrentTime (this=0x1) at kernel/qeventdispatcher_unix.cpp:339
#5  0x00007f871f2eb215 in QTimerInfoList::timerWait (this=0x1, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#6  0x00007f871f2e93cd in timerSourcePrepareHelper (src=<value optimized out>, timeout=0x7f87027a4bfc) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f871f2e9475 in timerSourcePrepare (source=0x1, timeout=0x7f87027a4ac0) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007f871a86feb1 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#9  0x00007f871a870318 in ?? () from /lib/libglib-2.0.so.0
#10 0x00007f871a8708fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#11 0x00007f871f2e91d6 in QEventDispatcherGlib::processEvents (this=0x1fd4010, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#12 0x00007f871f2bbdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#13 0x00007f871f2bc1bc in QEventLoop::exec (this=0x7f87027a4d90, flags=) at kernel/qeventloop.cpp:201
#14 0x00007f871f1c736d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#15 0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x1d65ba0) at thread/qthread_unix.cpp:266
#16 0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#17 0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#18 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f8701fa4700 (LWP 6539)):
#0  0x00007f871d9e9f93 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f871a8704a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f871a8708fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f871f2e91d6 in QEventDispatcherGlib::processEvents (this=0x1f5b680, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f871f2bbdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f871f2bc1bc in QEventLoop::exec (this=0x7f8701fa3d90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f871f1c736d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x1f6cbc0) at thread/qthread_unix.cpp:266
#8  0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f86f534e700 (LWP 6540)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007f87001a8081 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f86f3f12700 (LWP 6541)):
#0  0x00007f871d9eeff3 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f87001d12c5 in xine_usec_sleep () from /usr/lib/libxine.so.1
#2  0x00007f87001b5c99 in ?? () from /usr/lib/libxine.so.1
#3  0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f86f3711700 (LWP 6542)):
#0  0x00007fff81549904 in clock_gettime ()
#1  0x00007f8715cd909f in *__GI_clock_gettime (clock_id=1, tp=0x7f86f3710a60) at ../sysdeps/unix/clock_gettime.c:100
#2  0x00007f871f21f4af in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#4  0x00007f871f2eb1ed in QTimerInfoList::updateCurrentTime (this=0x1) at kernel/qeventdispatcher_unix.cpp:339
#5  0x00007f871f2eb215 in QTimerInfoList::timerWait (this=0x1, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#6  0x00007f871f2e93cd in timerSourcePrepareHelper (src=<value optimized out>, timeout=0x7f86f3710b9c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f871f2e9475 in timerSourcePrepare (source=0x1, timeout=0x7f86f3710a60) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007f871a86feb1 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#9  0x00007f871a870318 in ?? () from /lib/libglib-2.0.so.0
#10 0x00007f871a8708fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#11 0x00007f871f2e91d6 in QEventDispatcherGlib::processEvents (this=0x211fc20, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#12 0x00007f871f2bbdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#13 0x00007f871f2bc1bc in QEventLoop::exec (this=0x7f86f3710d30, flags=) at kernel/qeventloop.cpp:201
#14 0x00007f871f1c736d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#15 0x00007f87004262b0 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#16 0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x211f5f0) at thread/qthread_unix.cpp:266
#17 0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#18 0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f86f2d0b700 (LWP 6543)):
#0  0x00007f871d9e9f93 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f871d6fb41f in ?? () from /usr/lib/libpulse.so.0
#2  0x00007f871d6ead86 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#3  0x00007f871d6ec809 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#4  0x00007f871d6ec8c0 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#5  0x00007f871d6fb21b in ?? () from /usr/lib/libpulse.so.0
#6  0x00007f8715ac10e8 in ?? () from /usr/lib/libpulsecommon-0.9.21.so
#7  0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#8  0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f86ee509700 (LWP 6544)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f87001b8e23 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#3  0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f86edd08700 (LWP 6545)):
#0  0x00007fff81549904 in clock_gettime ()
#1  0x00007f8715cd909f in *__GI_clock_gettime (clock_id=1, tp=0x7f86edd07a80) at ../sysdeps/unix/clock_gettime.c:100
#2  0x00007f871f21f4af in do_gettime () at tools/qelapsedtimer_unix.cpp:105
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:119
#4  0x00007f871f2eb1ed in QTimerInfoList::updateCurrentTime (this=0x1) at kernel/qeventdispatcher_unix.cpp:339
#5  0x00007f871f2eb215 in QTimerInfoList::timerWait (this=0x1, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#6  0x00007f871f2e93cd in timerSourcePrepareHelper (src=<value optimized out>, timeout=0x7f86edd07bbc) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007f871f2e9475 in timerSourcePrepare (source=0x1, timeout=0x7f86edd07a80) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007f871a86feb1 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#9  0x00007f871a870318 in ?? () from /lib/libglib-2.0.so.0
#10 0x00007f871a8708fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#11 0x00007f871f2e91d6 in QEventDispatcherGlib::processEvents (this=0x268f0a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#12 0x00007f871f2bbdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#13 0x00007f871f2bc1bc in QEventLoop::exec (this=0x7f86edd07d50, flags=) at kernel/qeventloop.cpp:201
#14 0x00007f871f1c736d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#15 0x00007f871f29bb48 in QInotifyFileSystemWatcherEngine::run (this=0x268ec30) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x268ec30) at thread/qthread_unix.cpp:266
#17 0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#18 0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f86eb431700 (LWP 6552)):
#0  0x00007f871ef3b3f5 in __pthread_mutex_lock (mutex=0x38a59b8) at pthread_mutex_lock.c:61
#1  0x00007f871a86fb37 in g_main_context_check () from /lib/libglib-2.0.so.0
#2  0x00007f871a8704c3 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f871a8708fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f871f2e91d6 in QEventDispatcherGlib::processEvents (this=0x38a5310, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007f871f2bbdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007f871f2bc1bc in QEventLoop::exec (this=0x7f86eb430d50, flags=) at kernel/qeventloop.cpp:201
#7  0x00007f871f1c736d in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x00007f871f29bb48 in QInotifyFileSystemWatcherEngine::run (this=0x38a4320) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x38a4320) at thread/qthread_unix.cpp:266
#10 0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f86e942d700 (LWP 6688)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007f871ef3b5d9 in _L_lock_953 () from /lib/libpthread.so.0
#2  0x00007f871ef3b3fb in __pthread_mutex_lock (mutex=0x19ac128) at pthread_mutex_lock.c:61
#3  0x00007f871a86d97d in g_main_context_wakeup () from /lib/libglib-2.0.so.0
#4  0x00007f871f2bfb51 in QCoreApplication::postEvent (receiver=0x7f86fc029140, event=0x7f86e02b8920, priority=0) at kernel/qcoreapplication.cpp:1195
#5  0x00007f871f2ce947 in queued_activate (sender=0x35d47b0, signal=<value optimized out>, c=0x7f86fc5faa20, argv=0x7f86e942cd70, semaphore=0x0) at kernel/qobject.cpp:3158
#6  0x00007f871f2d4cd9 in QMetaObject::activate (sender=0x35d47b0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3251
#7  0x00007f871f1c9afd in QThreadPrivate::finish (arg=<value optimized out>) at thread/qthread_unix.cpp:296
#8  0x00007f871f1ca2f6 in ~__pthread_cleanup_class (arg=0x35d47b0) at /usr/include/pthread.h:535
#9  QThreadPrivate::start (arg=0x35d47b0) at thread/qthread_unix.cpp:271
#10 0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f86e8c2c700 (LWP 6704)):
[KCrash Handler]
#6  0x00007f872321b457 in Digikam::ThumbnailLoadingTask::execute (this=0x7483f40) at /build/buildd/digikam-1.4.0/libs/threadimageio/thumbnailtask.cpp:94
#7  0x00007f87231fa386 in Digikam::LoadSaveThread::run (this=0x31d2b50) at /build/buildd/digikam-1.4.0/libs/threadimageio/loadsavethread.cpp:116
#8  0x00007f8723238e46 in Digikam::DynamicThreadPriv::run (this=0x31d5ad0) at /build/buildd/digikam-1.4.0/libs/threads/dynamicthread.cpp:237
#9  0x00007f871f1bfd82 in QThreadPoolThread::run (this=0x7906650) at concurrent/qthreadpool.cpp:106
#10 0x00007f871f1ca2ee in QThreadPrivate::start (arg=0x7906650) at thread/qthread_unix.cpp:266
#11 0x00007f871ef389ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#12 0x00007f871d9f670d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f872625d7c0 (LWP 6523)):
#0  0x00007f871ef4093d in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f871a86faa5 in g_main_context_check () from /lib/libglib-2.0.so.0
#2  0x00007f871a8704c3 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f871a8708fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f871f2e9183 in QEventDispatcherGlib::processEvents (this=0x196a6a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#5  0x00007f871ff9c97e in QGuiEventDispatcherGlib::processEvents (this=0x3, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#6  0x00007f871f2bbdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#7  0x00007f871f2bc1bc in QEventLoop::exec (this=0x1bfbdf0, flags=) at kernel/qeventloop.cpp:201
#8  0x00000000006f4d25 in Digikam::ScanController::completeCollectionScan (this=0x1bfbdc0, splash=<value optimized out>) at /build/buildd/digikam-1.4.0/digikam/scancontroller.cpp:377
#9  0x00000000006841a3 in Digikam::DigikamApp::slotDatabaseRescan (this=0x7f86fc028c70) at /build/buildd/digikam-1.4.0/digikam/digikamapp.cpp:2503
#10 0x00000000006a09fd in Digikam::DigikamApp::qt_metacall (this=0x7f86fc028c70, _c=QMetaObject::InvokeMetaMethod, _id=-512, _a=0x7fff8141af50)
    at /build/buildd/digikam-1.4.0/obj-x86_64-linux-gnu/digikam/digikamapp.moc:248
#11 0x00007f871f2d4da7 in QMetaObject::activate (sender=0x39a13a0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3280
#12 0x00007f871fee3002 in QAction::triggered (this=0x3, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#13 0x00007f871fee46fb in QAction::activate (this=0x39a13a0, event=<value optimized out>) at kernel/qaction.cpp:1256
#14 0x00007f8720346131 in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0x39a13a0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:993
#15 0x00007f872034bada in QMenuPrivate::activateAction (this=0x292a0f0, action=0x39a13a0, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1085
#16 0x00007f8720d2743e in KMenu::mouseReleaseEvent (this=0x2ed6b70, e=0x7fff8141ac0f) at ../../kdeui/widgets/kmenu.cpp:471
#17 0x00007f871ff4048e in QWidget::event (this=0x2ed6b70, event=0x7fff8141bba0) at kernel/qwidget.cpp:8187
#18 0x00007f872034dc5b in QMenu::event (this=0x2ed6b70, e=0x7fff8141bba0) at widgets/qmenu.cpp:2410
#19 0x00007f871feea6ec in QApplicationPrivate::notify_helper (this=0x19a96d0, receiver=0x2ed6b70, e=0x7fff8141bba0) at kernel/qapplication.cpp:4396
#20 0x00007f871fef09fe in QApplication::notify (this=0x7fff8141c980, receiver=0x2ed6b70, e=0x7fff8141bba0) at kernel/qapplication.cpp:3959
#21 0x00007f8720c46926 in KApplication::notify (this=0x7fff8141c980, receiver=0x2ed6b70, event=0x7fff8141bba0) at ../../kdeui/kernel/kapplication.cpp:310
#22 0x00007f871f2bd0ac in QCoreApplication::notifyInternal (this=0x7fff8141c980, receiver=0x2ed6b70, event=0x7fff8141bba0) at kernel/qcoreapplication.cpp:732
#23 0x00007f871feef4ae in QCoreApplication::sendEvent (receiver=0x2ed6b70, event=0x7fff8141bba0, alienWidget=0x0, nativeWidget=0x2ed6b70, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QApplicationPrivate::sendMouseEvent (receiver=0x2ed6b70, event=0x7fff8141bba0, alienWidget=0x0, nativeWidget=0x2ed6b70, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, 
    spontaneous=true) at kernel/qapplication.cpp:3058
#25 0x00007f871ff7291d in QETWidget::translateMouseEvent (this=0x2ed6b70, event=<value optimized out>) at kernel/qapplication_x11.cpp:4337
#26 0x00007f871ff70ddc in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff8141c4c0) at kernel/qapplication_x11.cpp:3536
#27 0x00007f871ff9d012 in x11EventSourceDispatch (s=0x19ad3e0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#28 0x00007f871a86c8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x00007f871a870748 in ?? () from /lib/libglib-2.0.so.0
#30 0x00007f871a8708fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x00007f871f2e9183 in QEventDispatcherGlib::processEvents (this=0x196a6a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#32 0x00007f871ff9c97e in QGuiEventDispatcherGlib::processEvents (this=0x3, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007f871f2bbdd2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#34 0x00007f871f2bc1bc in QEventLoop::exec (this=0x7fff8141c7f0, flags=) at kernel/qeventloop.cpp:201
#35 0x00007f871f2c026b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#36 0x000000000077e0ed in main (argc=<value optimized out>, argv=<value optimized out>) at /build/buildd/digikam-1.4.0/digikam/main.cpp:195

This bug may be a duplicate of or related to bug 255953.

Possible duplicates by query: bug 255953, bug 250134, bug 247977, bug 247940, bug 246789.

Reported using DrKonqi