[Digikam-devel] [Bug 188263] crash after tinkering with stars in editor mode

[Andi Clemens]

https://bugs.kde.org/show_bug.cgi?id=188263





--- Comment #8 from Andi Clemens <andi clemens gmx net>  2009-03-30 19:37:21 ---
After clicking like crazy on the AbumUI and ThumbBar (over 10 billion times, I
swear :-)) I finally managed to crash digiKam:

rogram received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb484e700 (LWP 20293)]
0xb7246ec9 in Digikam::ThumbBarItem::repaint (this=0x0) at
/home/andi/Programmieren/KDE/digiKam/digikam_KDE4/digikam/libs/widgets/common/thumbbar.cpp:1181
1181        d->view->repaintItem(this);
(gdb) bt
#0  0xb7246ec9 in Digikam::ThumbBarItem::repaint (this=0x0) at
/home/andi/Programmieren/KDE/digiKam/digikam_KDE4/digikam/libs/widgets/common/thumbbar.cpp:1181
#1  0x08316c35 in Digikam::ImagePreviewBar::rearrangeItems (this=0xa55c028) at
/home/andi/Programmieren/KDE/digiKam/digikam_KDE4/digikam/digikam/imagepreviewbar.cpp:203
#2  0xb7246da8 in Digikam::ThumbBarView::slotUpdate (this=0xa55c028) at
/home/andi/Programmieren/KDE/digiKam/digikam_KDE4/digikam/libs/widgets/common/thumbbar.cpp:1033
#3  0xb724c432 in Digikam::ThumbBarView::qt_metacall (this=0xa55c028,
_c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfd461a8) at
/home/andi/Programmieren/KDE/digiKam/digikam_KDE4/digikam/digikam/thumbbar.moc:85
#4  0x08317ddc in Digikam::ImagePreviewBar::qt_metacall (this=0xa55c028,
_c=QMetaObject::InvokeMetaMethod, _id=53, _a=0xbfd461a8) at
/home/andi/Programmieren/KDE/digiKam/digikam_KDE4/digikam/digikam/imagepreviewbar.moc:66
#5  0xb59dc1a9 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#6  0xb59dc752 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#7  0xb5a13b77 in QTimer::timeout () from /usr/lib/libQtCore.so.4
#8  0xb59e313e in QTimer::timerEvent () from /usr/lib/libQtCore.so.4
#9  0xb59d8f5f in QObject::event () from /usr/lib/libQtCore.so.4
#10 0xb5e3101c in QApplicationPrivate::notify_helper () from
/usr/lib/libQtGui.so.4
#11 0xb5e38a9e in QApplication::notify () from /usr/lib/libQtGui.so.4
#12 0xb6845cfd in KApplication::notify () from /usr/lib/libkdeui.so.5
#13 0xb59c9c1b in QCoreApplication::notifyInternal () from
/usr/lib/libQtCore.so.4
#14 0xb59f49a1 in ?? () from /usr/lib/libQtCore.so.4
#15 0xbfd469b0 in ?? ()
#16 0x0a6b2688 in ?? ()
#17 0xbfd4663c in ?? ()
#18 0xb6845cfd in KApplication::notify () from /usr/lib/libkdeui.so.5
#19 0xb59f1540 in ?? () from /usr/lib/libQtCore.so.4
#20 0x0a3d8ca4 in ?? ()
#21 0xb51c423c in ?? () from /usr/lib/libglib-2.0.so.0
#22 0xbfd466d8 in ?? ()
#23 0xb51495e8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
Backtrace stopped: frame did not save the PC


Seems to be some kind of race condition, some items should be drawn but it is
already deleted. This really happens when clicking like crazy on the thumbbar.

Andi

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