Application: digikam (6.3.0)

Qt Version: 5.13.1
Frameworks Version: 5.63.0
Operating System: Linux 5.0.0-32-generic x86_64
Distribution: KDE neon User Edition 5.17

-- Information about the crash:
- What I was doing when the application crashed:

I was try open pictures folder, I was waiting for load pictures, but nathing hapen, digikam was crashed...

I was try it many times

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8dbc28ec00 (LWP 8117))]

Thread 11 (Thread 0x7f8d11fff700 (LWP 8453)):
#0  0x00007f8db76409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5615e7e14880) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5615e7e14830, cond=0x5615e7e14858) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5615e7e14858, mutex=0x5615e7e14830) at pthread_cond_wait.c:655
#3  0x00007f8db8295b0b in QWaitConditionPrivate::wait (deadline=..., this=0x5615e7e14830) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5615e75bcc90, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f8db8295e19 in QWaitCondition::wait (this=0x5615e75bcc88, mutex=0x5615e75bcc90, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f8dbb8870e4 in Digikam::ActionThreadBase::run (this=0x5615e96bb290) at ./core/libs/threads/actionthreadbase.cpp:232
#7  0x00007f8db828eb72 in QThreadPrivate::start (arg=0x5615e96bb290) at thread/qthread_unix.cpp:360
#8  0x00007f8db763a6db in start_thread (arg=0x7f8d11fff700) at pthread_create.c:463
#9  0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f8d10ffd700 (LWP 8402)):
#0  0x00007f8db76409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8d5583605c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8d55836008, cond=0x7f8d55836030) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8d55836030, mutex=0x7f8d55836008) at pthread_cond_wait.c:655
#3  0x00007f8db7f1286c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f8dac870f37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#5  0x00007f8dac86f75f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#6  0x00007f8dac86f836 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#7  0x00007f8dac8737f8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#8  0x00007f8dac897d0a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#9  0x00007f8db763a6db in start_thread (arg=0x7f8d10ffd700) at pthread_create.c:463
#10 0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f8d117fe700 (LWP 8401)):
#0  0x00007f8db76409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8d1212e36c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8d1212e318, cond=0x7f8d1212e340) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8d1212e340, mutex=0x7f8d1212e318) at pthread_cond_wait.c:655
#3  0x00007f8db7f1286c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f8dac870f37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#5  0x00007f8dac86f75f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#6  0x00007f8dac86f836 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#7  0x00007f8dac8737f8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#8  0x00007f8dac897d0a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#9  0x00007f8db763a6db in start_thread (arg=0x7f8d117fe700) at pthread_create.c:463
#10 0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f8d03fff700 (LWP 8400)):
#0  0x00007f8db76409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8d55835058) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f8d55835008, cond=0x7f8d55835030) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8d55835030, mutex=0x7f8d55835008) at pthread_cond_wait.c:655
#3  0x00007f8db7f1286c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f8dac870f37 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#5  0x00007f8dac86f75f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#6  0x00007f8dac86f836 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#7  0x00007f8dac8737f8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#8  0x00007f8dac897d0a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#9  0x00007f8db763a6db in start_thread (arg=0x7f8d03fff700) at pthread_create.c:463
#10 0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f8d13fff700 (LWP 8373)):
#0  0x00007f8db79620b4 in __GI___libc_read (fd=41, buf=0x7f8d13ffe790, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f8daef372d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8daeef20b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8daeef2570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8daeef26dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8db84d19db in QEventDispatcherGlib::processEvents (this=0x7f8d0c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f8db8471eaa in QEventLoop::exec (this=this@entry=0x7f8d13ffe9a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f8db828d3ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#8  0x00007f8db828eb72 in QThreadPrivate::start (arg=0x5615e6468070) at thread/qthread_unix.cpp:360
#9  0x00007f8db763a6db in start_thread (arg=0x7f8d13fff700) at pthread_create.c:463
#10 0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f8d563c1700 (LWP 8371)):
#0  0x00007f8db76409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f8daea5add4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5615e7020470, cond=0x7f8daea5ada8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f8daea5ada8, mutex=0x5615e7020470) at pthread_cond_wait.c:655
#3  0x00007f8db7f1286c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f8dadd7ee67 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#5  0x00007f8dadd7efa9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#6  0x00007f8db7f1866f in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#7  0x00007f8db763a6db in start_thread (arg=0x7f8d563c1700) at pthread_create.c:463
#8  0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8d6bfff700 (LWP 8367)):
#0  0x00007f8db76409f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5615e6584a20) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x5615e65849d0, cond=0x5615e65849f8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x5615e65849f8, mutex=0x5615e65849d0) at pthread_cond_wait.c:655
#3  0x00007f8db8295b0b in QWaitConditionPrivate::wait (deadline=..., this=0x5615e65849d0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5615e6847228, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f8db8295e19 in QWaitCondition::wait (this=this@entry=0x5615e6847230, mutex=mutex@entry=0x5615e6847228, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#6  0x00007f8dbb8883e9 in Digikam::ParkingThread::run (this=0x5615e6847210) at ./core/libs/threads/threadmanager.cpp:115
#7  0x00007f8db828eb72 in QThreadPrivate::start (arg=0x5615e6847210) at thread/qthread_unix.cpp:360
#8  0x00007f8db763a6db in start_thread (arg=0x7f8d6bfff700) at pthread_create.c:463
#9  0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f8d70b4c700 (LWP 8285)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f8db828ee75 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0, val=3, op=0, addr=<optimized out>) at thread/qfutex_p.h:92
#2  QtLinuxFutex::futexWait<QBasicAtomicPointer<QMutexData> > (expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
#3  lockInternal_helper<false> (timeout=-1, elapsedTimer=0x0, d_ptr=...) at thread/qmutex_linux.cpp:142
#4  QBasicMutex::lockInternal (this=0x5615e6a06318) at thread/qmutex_linux.cpp:159
#5  0x00007f8db828f173 in QBasicMutex::lock (this=0x5615e6a06318) at thread/qmutex.h:79
#6  QRecursiveMutexPrivate::lock (this=0x5615e6a06300, timeout=timeout@entry=-1) at thread/qmutex.cpp:706
#7  0x00007f8db828f066 in QMutex::lock (this=<optimized out>) at thread/qmutex.cpp:225
#8  0x00007f8dbb00ca24 in Digikam::CoreDbAccess::CoreDbAccess (this=<optimized out>) at ./core/libs/database/coredb/coredbaccess.cpp:116
#9  0x00007f8dbb07be45 in Digikam::ItemScanner::uniqueHash (this=this@entry=0x7f8d70b4a980) at ./core/libs/database/item/scanner/itemscanner_history.cpp:420
#10 0x00007f8dbb06ce56 in Digikam::ItemScanner::loadFromDisk (this=this@entry=0x7f8d70b4a980) at ./core/libs/database/item/scanner/itemscanner.cpp:160
#11 0x00007f8dbb070250 in Digikam::ItemScanner::newFile (this=this@entry=0x7f8d70b4a980, albumId=albumId@entry=165) at ./core/libs/database/item/scanner/itemscanner_database.cpp:107
#12 0x00007f8dbafa33b0 in Digikam::CollectionScanner::scanNewFile (this=this@entry=0x7f8d70b4b940, info=..., albumId=165) at ./core/libs/database/collection/collectionscanner_scan.cpp:844
#13 0x00007f8dbafa5ceb in Digikam::CollectionScanner::scanAlbum (this=this@entry=0x7f8d70b4b940, location=..., album=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:652
#14 0x00007f8dbafa5f19 in Digikam::CollectionScanner::scanAlbum (this=this@entry=0x7f8d70b4b940, location=..., album=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:685
#15 0x00007f8dbafa5f19 in Digikam::CollectionScanner::scanAlbum (this=this@entry=0x7f8d70b4b940, location=..., album=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:685
#16 0x00007f8dbafa5f19 in Digikam::CollectionScanner::scanAlbum (this=this@entry=0x7f8d70b4b940, location=..., album=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:685
#17 0x00007f8dbafa5f19 in Digikam::CollectionScanner::scanAlbum (this=this@entry=0x7f8d70b4b940, location=..., album=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:685
#18 0x00007f8dbafa5f19 in Digikam::CollectionScanner::scanAlbum (this=this@entry=0x7f8d70b4b940, location=..., album=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:685
#19 0x00007f8dbafa5f19 in Digikam::CollectionScanner::scanAlbum (this=this@entry=0x7f8d70b4b940, location=..., album=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:685
#20 0x00007f8dbafa5f19 in Digikam::CollectionScanner::scanAlbum (this=this@entry=0x7f8d70b4b940, location=..., album=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:685
#21 0x00007f8dbafa5f19 in Digikam::CollectionScanner::scanAlbum (this=this@entry=0x7f8d70b4b940, location=..., album=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:685
#22 0x00007f8dbafa6883 in Digikam::CollectionScanner::scanAlbumRoot (this=this@entry=0x7f8d70b4b940, location=...) at ./core/libs/database/collection/collectionscanner_scan.cpp:429
#23 0x00007f8dbafa74ab in Digikam::CollectionScanner::completeScan (this=this@entry=0x7f8d70b4b940) at ./core/libs/database/collection/collectionscanner_scan.cpp:87
#24 0x00007f8dba5d6f5e in Digikam::ScanController::run (this=0x7f8dbaf273c0 <_ZZN7Digikam12_GLOBAL__N_113Q_QGS_creator13innerFunctionEvE6holder>) at ./core/libs/database/utils/scan/scancontroller.cpp:236
#25 0x00007f8db828eb72 in QThreadPrivate::start (arg=0x7f8dbaf273c0 <_ZZN7Digikam12_GLOBAL__N_113Q_QGS_creator13innerFunctionEvE6holder>) at thread/qthread_unix.cpp:360
#26 0x00007f8db763a6db in start_thread (arg=0x7f8d70b4c700) at pthread_create.c:463
#27 0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8d79f1e700 (LWP 8119)):
#0  0x00007f8daef38664 in g_mutex_unlock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8daeef1b18 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8daeef24fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8daeef26dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8db84d19db in QEventDispatcherGlib::processEvents (this=0x7f8d74000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f8db8471eaa in QEventLoop::exec (this=this@entry=0x7f8d79f1d970, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f8db828d3ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#7  0x00007f8db19620e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f8db828eb72 in QThreadPrivate::start (arg=0x7f8db1bd9d80) at thread/qthread_unix.cpp:360
#9  0x00007f8db763a6db in start_thread (arg=0x7f8d79f1e700) at pthread_create.c:463
#10 0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f8d82cac700 (LWP 8118)):
#0  0x00007f8db7966bf9 in __GI___poll (fds=0x7f8d82cab8a8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8daa211747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8daa21336a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8d84bf7f00 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8db828eb72 in QThreadPrivate::start (arg=0x5615e5f41b00) at thread/qthread_unix.cpp:360
#5  0x00007f8db763a6db in start_thread (arg=0x7f8d82cac700) at pthread_create.c:463
#6  0x00007f8db797388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8dbc28ec00 (LWP 8117)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007f8db7892801 in __GI_abort () at abort.c:79
#8  0x00007f8db826ac8b in qt_message_fatal (context=..., message=<synthetic pointer>...) at global/qlogging.cpp:1907
#9  QMessageLogger::fatal (this=this@entry=0x7fff62f8f160, msg=msg@entry=0x7f8db855dc80 "ASSERT: \"%s\" in file %s, line %d") at global/qlogging.cpp:888
#10 0x00007f8db826a481 in qt_assert (assertion=assertion@entry=0x7f8dbb0e0168 "!isEmpty()", file=file@entry=0x7f8dbb0df330 "/usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h", line=line@entry=347) at global/qglobal.cpp:3261
#11 0x00007f8dbafdc6d4 in QList<QVariant>::first (this=this@entry=0x7fff62f8f1b0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:347
#12 0x00007f8dbafc9663 in Digikam::CoreDB::getNumberOfItemsInAlbum (this=this@entry=0x5615e65fdb10, albumID=<optimized out>) at ./core/libs/database/coredb/coredb.cpp:3270
#13 0x00007f8dba6bde75 in Digikam::DigikamApp::slotImageSelected (this=0x5615e69db370, selection=..., listAll=...) at ./core/app/main/digikamapp.cpp:523
#14 0x00007f8dba78ffa0 in Digikam::DigikamApp::qt_static_metacall (_o=0x5615e69db370, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./obj-x86_64-linux-gnu/core/app/digikamgui_src_autogen/FKWUBUMHKV/moc_digikamapp.cpp:330
#15 0x00007f8db84a4715 in QMetaObject::activate (sender=sender@entry=0x5615e6476290, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=<optimized out>, argv@entry=0x7fff62f8f4d0) at kernel/qobject.cpp:3809
#16 0x00007f8db84a4dd7 in QMetaObject::activate (sender=sender@entry=0x5615e6476290, m=m@entry=0x7f8dbaee9680 <Digikam::ItemIconView::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff62f8f4d0) at kernel/qobject.cpp:3660
#17 0x00007f8dba78ac4a in Digikam::ItemIconView::signalImageSelected (this=this@entry=0x5615e6476290, _t1=..., _t2=...) at ./obj-x86_64-linux-gnu/core/app/digikamgui_src_autogen/7GWWJNZG4Q/moc_itemiconview.cpp:993
#18 0x00007f8dba76c7a4 in Digikam::ItemIconView::slotDispatchImageSelected (this=0x5615e6476290) at ./core/app/views/stack/itemiconview.cpp:1398
#19 0x00007f8dba790f2c in Digikam::ItemIconView::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./obj-x86_64-linux-gnu/core/app/digikamgui_src_autogen/7GWWJNZG4Q/moc_itemiconview.cpp:740
#20 0x00007f8db84a4715 in QMetaObject::activate (sender=sender@entry=0x5615e69e0fd0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=<optimized out>, argv@entry=0x7fff62f8f6c0) at kernel/qobject.cpp:3809
#21 0x00007f8db84a4dd7 in QMetaObject::activate (sender=sender@entry=0x5615e69e0fd0, m=m@entry=0x7f8db8929d80 <QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff62f8f6c0) at kernel/qobject.cpp:3660
#22 0x00007f8db84b1447 in QTimer::timeout (this=this@entry=0x5615e69e0fd0, _t1=...) at .moc/moc_qtimer.cpp:205
#23 0x00007f8db84b17a8 in QTimer::timerEvent (this=0x5615e69e0fd0, e=<optimized out>) at kernel/qtimer.cpp:255
#24 0x00007f8db84a522b in QObject::event (this=0x5615e69e0fd0, e=<optimized out>) at kernel/qobject.cpp:1282
#25 0x00007f8db9278eac in QApplicationPrivate::notify_helper (this=this@entry=0x5615e5f3f510, receiver=receiver@entry=0x5615e69e0fd0, e=e@entry=0x7fff62f8fa30) at kernel/qapplication.cpp:3703
#26 0x00007f8db92804b0 in QApplication::notify (this=0x7fff62f90420, receiver=0x5615e69e0fd0, e=0x7fff62f8fa30) at kernel/qapplication.cpp:3449
#27 0x00007f8db8473d48 in QCoreApplication::notifyInternal2 (receiver=0x5615e69e0fd0, event=0x7fff62f8fa30) at kernel/qcoreapplication.cpp:1095
#28 0x00007f8db84d0e49 in QTimerInfoList::activateTimers (this=0x5615e5f98570) at kernel/qtimerinfo_unix.cpp:643
#29 0x00007f8db84d1611 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:183
#30 0x00007f8daeef2417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f8daeef2650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f8daeef26dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f8db84d19bf in QEventDispatcherGlib::processEvents (this=0x5615e5f8f590, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#34 0x00007f8db8471eaa in QEventLoop::exec (this=0x5615e679d5f0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#35 0x00007f8dba5d86e6 in Digikam::ScanController::completeCollectionScanCore (this=0x7f8dbaf273c0 <_ZZN7Digikam12_GLOBAL__N_113Q_QGS_creator13innerFunctionEvE6holder>, needTotalFiles=<optimized out>, defer=<optimized out>) at ./core/libs/database/utils/scan/scancontroller_start.cpp:95
#36 0x00007f8dba850493 in Digikam::NewItemsFinder::slotStart (this=0x5615e8506e00) at ./core/utilities/maintenance/newitemsfinder.cpp:118
#37 0x00007f8db84a5272 in QObject::event (this=0x5615e8506e00, e=<optimized out>) at kernel/qobject.cpp:1260
#38 0x00007f8db9278eac in QApplicationPrivate::notify_helper (this=this@entry=0x5615e5f3f510, receiver=receiver@entry=0x5615e8506e00, e=e@entry=0x5615e7790110) at kernel/qapplication.cpp:3703
#39 0x00007f8db92804b0 in QApplication::notify (this=0x7fff62f90420, receiver=0x5615e8506e00, e=0x5615e7790110) at kernel/qapplication.cpp:3449
#40 0x00007f8db8473d48 in QCoreApplication::notifyInternal2 (receiver=0x5615e8506e00, event=0x5615e7790110) at kernel/qcoreapplication.cpp:1095
#41 0x00007f8db8473f1e in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x5615e7790110) at kernel/qcoreapplication.cpp:1490
#42 0x00007f8db8476667 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x5615e5e4a910) at kernel/qcoreapplication.cpp:1840
#43 0x00007f8db8476bf8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1694
#44 0x00007f8db84d23a3 in postEventSourceDispatch (s=0x5615e5f96980) at kernel/qeventdispatcher_glib.cpp:277
#45 0x00007f8daeef2417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f8daeef2650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f8daeef26dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f8db84d19bf in QEventDispatcherGlib::processEvents (this=0x5615e5f8f590, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#49 0x00007f8db8471eaa in QEventLoop::exec (this=this@entry=0x7fff62f902e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#50 0x00007f8db847b220 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1403
#51 0x00005615e5b1e118 in main (argc=<optimized out>, argv=<optimized out>) at ./core/app/main/main.cpp:316

Possible duplicates by query: bug 412300, bug 412218, bug 411017, bug 408958, bug 407017.

Reported using DrKonqi