I can reproduce the problem using SVN commit 457252:

Using host libthread_db library "/lib/tls/libthread_db.so.1".
`shared object read from target memory' has disappeared; keeping its symbols.
[Thread debugging using libthread_db enabled]
[New Thread -1237297472 (LWP 4868)]
[KCrash handler]
#4  0xb7dbc84a in IconGroupItem::iconView () from /usr/lib/libdigikam.so.0
#5  0xb7dbd2d9 in IconItem::repaint () from /usr/lib/libdigikam.so.0
#6  0xb7dd419e in AlbumIconView::slotGotThumbnail ()
   from /usr/lib/libdigikam.so.0
#7  0xb7dd55b2 in AlbumIconView::qt_invoke () from /usr/lib/libdigikam.so.0
#8  0xb6ca41dd in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#9  0xb70e9401 in ?? () from /usr/lib/qt3/lib/libqt-mt.so.3
#10 0x081ffc28 in ?? ()
#11 0xb70e9434 in ?? () from /usr/lib/qt3/lib/libqt-mt.so.3
#12 0xb6f74016 in QGDict::look_string () from /usr/lib/qt3/lib/libqt-mt.so.3
#13 0xbf92a198 in ?? ()
#14 0xbf92a1ac in ?? ()
#15 0xbf92a1b8 in ?? ()
#16 0xb7e04912 in PixmapManager::signalPixmap () from /usr/lib/libdigikam.so.0

I can reproduce the bug. It's indeep in digikam core. I need any time to solve it.

Gilles

SVN commit 458915 by jahrens:

When an image was saved with "Save As" with a filename that already existed in
the album, the new ImageInfo was first created through signalNewFilteredItems
but deleted through signalDeleteFilteredItem for the old image - because
both used the same filename.

BUG: 112000


 M  +19 -5     digikam/albumiconview.cpp  
 M  +1 -0      digikam/albumlister.cpp  
 M  +7 -1      utilities/imageeditor/imagewindow.cpp  


--- trunk/extragear/graphics/digikam/digikam/albumiconview.cpp #458914:458915
@@ -315,6 +315,14 @@
     ImageInfo* item;
     for (ImageInfoListIterator it(itemList); (item = it.current()); ++it)
     {
+        KURL url( item->kurl() );
+        url.cleanPath();
+
+        if (AlbumIconItem *oldItem = d->itemDict.find(url.url()))
+        {
+            slotImageListerDeleteItem(oldItem->imageInfo());
+        }
+
         AlbumIconGroupItem* group = d->albumDict.find(item->albumID());
         if (!group)
         {
@@ -332,8 +340,6 @@
         AlbumIconItem* iconItem = new AlbumIconItem(group, item);
         item->setViewItem(iconItem);
 
-        KURL url( item->kurl() );
-        url.cleanPath();
         d->itemDict.insert(url.url(), iconItem);
     }
 
@@ -347,6 +353,16 @@
 
     AlbumIconItem* iconItem = static_cast<AlbumIconItem*>(item->getViewItem());
 
+    KURL url(item->kurl());
+    url.cleanPath();
+    
+    AlbumIconItem *oldItem = d->itemDict[url.url()];
+    if( oldItem &&
+       (oldItem->imageInfo()->id() != iconItem->imageInfo()->id()))
+    {
+        return;
+    }
+
     d->pixMan->remove(item->kurl());
 
     emit signalItemDeleted(iconItem);
@@ -354,9 +370,7 @@
     delete iconItem;
     item->setViewItem(0);
 
-    KURL u(item->kurl());
-    u.cleanPath();
-    d->itemDict.remove(u.url());
+    d->itemDict.remove(url.url());
 
     IconGroupItem* group = firstGroup();
     IconGroupItem* tmp;
--- trunk/extragear/graphics/digikam/digikam/albumlister.cpp #458914:458915
@@ -120,6 +120,7 @@
     ds << d->filter;
     ds << AlbumSettings::instance()->getIconShowResolution();
 
+    // Protocol = digikamalbums -> kio_digikamalbums
     d->job = new KIO::TransferJob(album->kurl(), KIO::CMD_SPECIAL,
                                   ba, QByteArray(), false);
     connect(d->job, SIGNAL(result(KIO::Job*)),
--- trunk/extragear/graphics/digikam/utilities/imageeditor/imagewindow.cpp #458914:458915
@@ -1071,6 +1071,7 @@
     // Check for overwrite ----------------------------------------------------------
     
     QFileInfo fi(newURL.path());
+    bool fileExists = false;
     if ( fi.exists() )
     {
         int result =
@@ -1086,6 +1087,8 @@
 
         if (result != KMessageBox::Yes)
             return;
+
+        fileExists = true;
     }
 
     // Now do the actual saving -----------------------------------------------------
@@ -1176,7 +1179,10 @@
         m_urlCurrent = newURL;
     }
 
-    emit signalFileAdded(newURL);
+    if(fileExists)
+        emit signalFileModified(newURL);
+    else
+        emit signalFileAdded(newURL);
 
     m_canvas->setModified( false );
     kapp->restoreOverrideCursor();

Hi Joern,

I have tested your SVN commit 458915 and now I can freely overwrite photos with "Save as..." without crash.

I think you can close the bug report. 

Thank you very much.

Cool, thanks for your feedback!