On Saturday, 18 June 2011, at 23:11:01 +0200, Felix Hartmann wrote: > For me v1.2 on Windows crashes pretty frequently. I happens when zooming > in via the mousewheel. > Current QLGT from SVN (r2858) also crashes on me, by simply clicking the right mouse button over the bottom left "Manage your Geo Data" lower pane (where the "Lost & Found" and "Database" icons are shown). I have tried this from both an already configured QLGT user installation (some vector maps already configured, QLGT used before) and from a clean installi (no user configuration, no maps, nothing loaded, just run QLGT an click right mouse button).
This happens to me using a binary compiled by me, as well as using the Ubuntu 11.04 package as available in the Roman Müllenschläder's Ubuntu PPA. When run from inside GDB, the version I compiled shows the following back trace after the crash: Program received signal SIGSEGV, Segmentation fault. 0x082f97d2 in QTreeWidgetItem::parent() const () (gdb) bt #0 0x082f97d2 in QTreeWidgetItem::parent() const () #1 0x082ee56e in CGeoDB::slotContextMenuDatabase(QPoint const&) () #2 0x0830c019 in CGeoDB::qt_metacall(QMetaObject::Call, int, void**) () #3 0xb6ba06ba in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4 #4 0xb6bb04ff in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4 #5 0xb6e53183 in QWidget::customContextMenuRequested(QPoint const&) () from /usr/lib/libQtGui.so.4 #6 0xb6e5dcb9 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4 #7 0xb724ef63 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4 #8 0xb72dd5d2 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4 #9 0xb737c797 in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4 #10 0xb73c43f3 in QTreeView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4 #11 0xb72dfed5 in ?? () from /usr/lib/libQtGui.so.4 #12 0xb6b9a25a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 #13 0xb6e04d00 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #14 0xb6e09c62 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4 #15 0xb6b9a0bb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4 #16 0xb6e8f343 in ?? () from /usr/lib/libQtGui.so.4 #17 0xb6e8d746 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4 #18 0xb6eb8b84 in ?? () from /usr/lib/libQtGui.so.4 #19 0xb35bfaa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 #20 0xb35c0270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #21 0xb35c0524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 #22 0xb6bc753c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #23 0xb6eb8775 in ?? () from /usr/lib/libQtGui.so.4 #24 0xb6b99289 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #25 0xb6b99522 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4 #26 0xb6b9decc in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4 #27 0xb6e028e7 in QApplication::exec() () from /usr/lib/libQtGui.so.4 #28 0x08106a7c in main () I don't know if this can be a problem with Qt more than related to QLGT itself. The fact is, somewhere along the 1.1.2 -> 1.2.0 cycle it started happening, but as at the time I was doing some "coding" for QLGT, I tough these crashes could have something to do with me breaking the code in unexpected ways. It doesn't seem so. A list of relevant system binaries and information follows: Linux desktop 2.6.38-8-generic-pae #42-Ubuntu SMP Mon Apr 11 05:17:09 UTC 2011 i686 athlon i386 GNU/Linux libqtgui4: 4:4.7.2-0ubuntu6.1 libqtcore4: 4:4.7.2-0ubuntu6.1 libqt4-opengl: 4:4.7.2-0ubuntu6.1 libglib2.0-0: 2.28.6-0ubuntu1 Don't know if this bug report is useful, if not, please disregard or ask for additional information or testing. Please tell me the SVN release number for the 1.1.2 version, so if everything else fails I can start binary searching for the changeset that caused the error, if any. Greetings, -- Jose Luis Domingo Lopez Linux Registered User #189436 Linux Kubuntu 11.04 (Linux 2.6.38-8-generic-pae)
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