https://bugs.kde.org/show_bug.cgi?id=386098

--- Comment #4 from Johannes Hirte <johannes.hi...@datenkhaos.de> ---
(In reply to caulier.gilles from comment #3)
> Can you reproduce the dysfunction using digiKam 6.0.0 pre-release bundle
> available here :
> 
> https://files.kde.org/digikam/
> 
> Gilles Caulier

Yes, reproduced with git ae3ea4e7516e054c70dac55248057b1611a9dfdc

This time it happend when deleting some directories from outside of digikam.

backtrace:

Thread 1 "digikam" received signal SIGSEGV, Segmentation fault.
__memmove_ssse3_back () at ../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:1679
1679    ../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S: No such file or
directory.
(gdb) bt
#0  __memmove_ssse3_back () at
../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:1679
#1  0x00007ffff20d6b2d in memmove (__len=11600313152, __src=<optimized out>,
__dest=<optimized out>) at /usr/include/bits/string_fortified.h:40
#2  QListData::remove (this=this@entry=0x5555566dd768, i=<optimized out>,
i@entry=-1) at tools/qlist.cpp:261
#3  0x00007ffff20d6e44 in QListData::erase (this=this@entry=0x5555566dd768,
xi=xi@entry=0x55555c2cb3e8) at tools/qlist.cpp:330
#4  0x00007ffff78e201d in QList<Digikam::HistoryItem>::erase (it=...,
this=<optimized out>) at
/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.0/include/g++-v8/bits/atomic_base.h:303
#5  Digikam::AlbumHistory::deleteAlbum(Digikam::Album*) () at
/var/tmp/portage/media-gfx/digikam-9999/work/digikam-9999/core/libs/album/albumhistory.cpp:307
#6  0x00007ffff78e244a in
Digikam::AlbumHistory::slotAlbumDeleted(Digikam::Album*) () at
/var/tmp/portage/media-gfx/digikam-9999/work/digikam-9999/core/libs/album/albumhistory.cpp:569
#7  0x00007ffff79237ac in Digikam::AlbumHistory::qt_static_metacall
(_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized
out>) at
core/libs/album/digikamalbum_src_autogen/EWIEGA46WW/moc_albumhistory.cpp:124
#8  0x00007ffff223400e in QMetaObject::activate(QObject*, int, int, void**) ()
at kernel/qobject.cpp:3771
#9  0x00007ffff223465f in QMetaObject::activate
(sender=sender@entry=0x7ffff7dd4e70
<_ZZN7Digikam12_GLOBAL__N_113Q_QGS_creator13innerFunctionEvE6holder>,
m=m@entry=0x7ffff7dab780 <Digikam::AlbumManager::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=3,
argv=argv@entry=0x7fffffffcca0) at kernel/qobject.cpp:3633
#10 0x00007ffff7922d22 in Digikam::AlbumManager::signalAlbumDeleted
(this=this@entry=0x7ffff7dd4e70
<_ZZN7Digikam12_GLOBAL__N_113Q_QGS_creator13innerFunctionEvE6holder>,
_t1=<optimized out>, _t1@entry=0x5555589fc310)
    at
core/libs/album/digikamalbum_src_autogen/EWIEGA46WW/moc_albummanager.cpp:600
#11 0x00007ffff7911d9a in Digikam::AlbumManager::removePAlbum(Digikam::PAlbum*)
() at
/var/tmp/portage/media-gfx/digikam-9999/work/digikam-9999/core/libs/album/albummanager.cpp:3137
#12 0x00007ffff7914216 in Digikam::AlbumManager::scanPAlbums() () at
/var/tmp/portage/media-gfx/digikam-9999/work/digikam-9999/core/libs/album/albummanager.cpp:1375
#13 0x00007ffff7924ae2 in Digikam::AlbumManager::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () at
core/libs/album/digikamalbum_src_autogen/EWIEGA46WW/moc_albummanager.cpp:336
#14 0x00007ffff223400e in QMetaObject::activate(QObject*, int, int, void**) ()
at kernel/qobject.cpp:3771
#15 0x00007ffff223465f in QMetaObject::activate (sender=<optimized out>,
m=m@entry=0x7ffff2685dc0 <QTimer::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffffffcf90)
at kernel/qobject.cpp:3633
#16 0x00007ffff223f7a7 in QTimer::timeout (this=<optimized out>, _t1=...) at
.moc/moc_qtimer.cpp:200
#17 0x00007ffff2234c63 in QObject::event(QEvent*) () at kernel/qobject.cpp:1232
#18 0x00007ffff2f04d11 in QApplicationPrivate::notify_helper
(this=this@entry=0x5555555f10d0, receiver=receiver@entry=0x555555837d60,
e=e@entry=0x7fffffffd250) at kernel/qapplication.cpp:3727
#19 0x00007ffff2f0c1a0 in QApplication::notify(QObject*, QEvent*) () at
kernel/qapplication.cpp:3486
#20 0x00007ffff220d481 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at kernel/qcoreapplication.cpp:1048
#21 0x00007ffff225a719 in QCoreApplication::sendEvent (event=0x7fffffffd250,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#22 QTimerInfoList::activateTimers() () at kernel/qtimerinfo_unix.cpp:643
#23 0x00007ffff225af44 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:182
#24 0x00007fffeaa893cd in g_main_dispatch (context=0x7fffd8004ff0) at
/var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/glib/gmain.c:3176
#25 g_main_context_dispatch (context=context@entry=0x7fffd8004ff0) at
/var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/glib/gmain.c:3829
#26 0x00007fffeaa89660 in g_main_context_iterate
(context=context@entry=0x7fffd8004ff0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/glib/gmain.c:3902
#27 0x00007fffeaa896ec in g_main_context_iteration (context=0x7fffd8004ff0,
may_block=may_block@entry=1) at
/var/tmp/portage/dev-libs/glib-2.56.2/work/glib-2.56.2/glib/gmain.c:3963
#28 0x00007ffff225b373 in QEventDispatcherGlib::processEvents
(this=0x555555651710, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#29 0x00007fffdec912e1 in QPAEventDispatcherGlib::processEvents
(this=0x555555651710, flags=...) at qeventdispatcher_glib.cpp:69
#30 0x00007ffff220c4c3 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#31 0x00007ffff2214167 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#32 0x00005555555618c5 in main () at
/var/tmp/portage/media-gfx/digikam-9999/work/digikam-9999/core/app/main/main.cpp:286
#33 0x00007ffff17dc3be in __libc_start_main (main=0x555555560ab0 <main>,
argc=1, argv=0x7fffffffd8a8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffffffd898) at ../csu/libc-start.c:308
#34 0x00005555555627ba in _start () at /usr/include/qt5/QtCore/qdebug.h:125

Do you need the full backtrace with all threads?

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