Version: (using Devel) OS: Linux Installed from: Compiled sources I have this crash after some minutes of playing with the light table. This seems to be related to the zoom tool in the low-right corner of the left picture. Attached the bt i got from gdb.
Created attachment 30396 [details] the backtrace from gdb
attachement is an unsuitable binary file. please post text file... Gilles Caulier
Created attachment 30397 [details] digikam output and gdb backtrace the last part of the digikam output running inside gdb and the backtrace of the crash
Pasting relevant lines: QObject: Do not delete object, 'unnamed', during its event handler! Program received signal SIGSEGV, Segmentation fault. 0xb5dcea03 in ?? () from /usr/lib/libQtGui.so.4 (gdb) all bt thread apply Undefined command: "all". Try "help". (gdb) bt #0 0xb5dcea03 in ?? () from /usr/lib/libQtGui.so.4 #1 0xb5dcdaf5 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4 #2 0xb5df60ba in ?? () from /usr/lib/libQtGui.so.4 #3 0xb4f9f9a8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #4 0xb4fa3063 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0xb4fa3221 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #6 0xb58cffb8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #7 0xb5df57b5 in ?? () from /usr/lib/libQtGui.so.4 #8 0xb58a401a in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #9 0xb58a41da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #10 0xb58a6895 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4 #11 0xb5d5c777 in QApplication::exec() () from /usr/lib/libQtGui.so.4 #12 0x082f75f6 in main (argc=1, argv=0xbffff064) at /home/tore/sources/graphics/digikam/digikam/main.cpp:188
Confirmed: #0 0x00007ffff2e591fd in QETWidget::translateMouseEvent (this=0x3edc440, event=0x7fffffffc6e0) at kernel/qapplication_x11.cpp:3991 #1 0x00007ffff2e57a37 in QApplication::x11ProcessEvent (this=0x5c, event=0x7fffffffd0f0) at kernel/qapplication_x11.cpp:3158 #2 0x00007ffff2e7e1d4 in x11EventSourceDispatch (s=0x959d70, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:142 #3 0x00007fffeca010db in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0 #4 0x00007fffeca048ad in ?? () from /usr/lib64/libglib-2.0.so.0 #5 0x00007fffeca04a6b in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #6 0x00007ffff7b224ef in QEventDispatcherGlib::processEvents (this=0x956640, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:319 #7 0x00007ffff2e7d97f in QGuiEventDispatcherGlib::processEvents (this=0x7fffffffc680, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:198 #8 0x00007ffff7af89a2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -11296}) at kernel/qeventloop.cpp:143 #9 0x00007ffff7af8b2d in QEventLoop::exec (this=0x7fffffffd420, flags={i = -11216}) at kernel/qeventloop.cpp:194 #10 0x00007ffff7afaffd in QCoreApplication::exec () at kernel/qcoreapplication.cpp:845 #11 0x00000000006706b7 in main (argc=<value optimized out>, argv=0x7fffffffdc68)
I guess the debug message "Do not delete during event handler" hints at the culprit. #0 qWarning (msg=0x7ffff7b846e0 "QObject: Do not delete object, '%s', during its event handler!") at global/qglobal.cpp:2186 #1 0x00007ffff7b107f9 in ~QObject (this=0x3f17910) at kernel/qobject.cpp:900 #2 0x00007ffff2e4078f in ~QWidget (this=0x3f17910) at kernel/qwidget.cpp:1351 #3 0x00007ffff11b60f6 in ~PanIconWidget (this=0x3f17910) at /home/marcel/freshmeat/multimedia/kde4/src/extragear/graphics/digikam/libs/widgets/common/paniconwidget.cpp:90 #4 0x00007ffff7b07941 in QObjectPrivate::deleteChildren (this=0x3f17710) at kernel/qobject.cpp:1884 #5 0x00007ffff2e405ed in ~QWidget (this=0x3dbaa40) at kernel/qwidget.cpp:1338 #6 0x00007ffff704132d in ~KPopupFrame (this=0x3dbaa40) at /usr/src/debug/kdelibs-4.1.3/kdeui/widgets/kdatetable.cpp:784 #7 0x000000000051a1b3 in Digikam::LightTablePreview::slotPanIconSelectionMoved (this=0x3cc1290, r=@0x3ef733c, b=true) at /home/marcel/freshmeat/multimedia/kde4/src/extragear/graphics/digikam/utilities/lighttable/lighttablepreview.cpp:571 #8 0x000000000051f733 in Digikam::LightTablePreview::qt_metacall (this=0x3cc1290, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffffffbf00) at /home/marcel/freshmeat/multimedia/kde4/build/extragear/graphics/digikam/digikam/lighttablepreview.moc:106 #9 0x00007ffff7b0e454 in QMetaObject::activate (sender=0x3f17910, from_signal_index=<value optimized out>, to_signal_index=27, argv=0x3f179b0) at kernel/qobject.cpp:3031 #10 0x00007ffff11b6713 in Digikam::PanIconWidget::signalSelectionMoved (this=0x7ffff7b846e0, _t1=<value optimized out>, _t2=true) at /home/marcel/freshmeat/multimedia/kde4/build/extragear/graphics/digikam/digikam/paniconwidget.moc:90 #11 0x00007ffff11b68ad in Digikam::PanIconWidget::mouseReleaseEvent (this=0x3f17910) at /home/marcel/freshmeat/multimedia/kde4/src/extragear/graphics/digikam/libs/widgets/common/paniconwidget.cpp:312
SVN commit 913166 by mwiesweg: Use deleteLater (already done in all seven other occurrences) BUG: 181221 M +1 -1 lighttablepreview.cpp WebSVN link: http://websvn.kde.org/?view=rev&revision=913166