Application: muon (1.2.1 "Caustic Carrionite")
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

I clicked "deselect all packages" then quickly clicked "preview".
I repeated the actions and it always crashes.

Kubuntu 11.10 64 bit

-- Backtrace:
Application: Gestore di pacchetti Muon (muon), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fa53cbe6780 (LWP 9126))]

Thread 2 (Thread 0x7fa5281bc700 (LWP 9129)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007fa5281bbaf0 in ?? ()
#2  0x00007fff0c9ff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7fa53cbe6780 (LWP 9126)):
[KCrash Handler]
#6  0x00007fa5390ab97d in pkgCache::VerIterator::Downloadable() const () from /usr/lib/libapt-pkg.so.4.11
#7  0x00007fa53c58f9cb in ?? () from /usr/lib/libqapt.so.1
#8  0x00007fa53c590feb in QApt::Package::state() const () from /usr/lib/libqapt.so.1
#9  0x00007fa53c7e89e3 in PackageProxyModel::filterAcceptsRow(int, QModelIndex const&) const () from /usr/lib/libmuonprivate.so.1
#10 0x00007fa53b04e8e8 in QSortFilterProxyModelPrivate::create_mapping (this=0x21ec4b0, source_parent=...) at itemviews/qsortfilterproxymodel.cpp:327
#11 0x00007fa53b04f507 in QSortFilterProxyModel::columnCount (this=<optimized out>, parent=...) at itemviews/qsortfilterproxymodel.cpp:1684
#12 0x00007fa53afdcc6e in modelSectionCount (this=0x220e0a0) at ../../include/QtGui/private/../../../src/gui/itemviews/qheaderview_p.h:216
#13 QHeaderView::initializeSections (this=0x220e070) at itemviews/qheaderview.cpp:1894
#14 0x00007fa53afcbfa7 in QAbstractItemView::qt_metacall (this=0x220e070, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0x7fff0c951160) at .moc/release-shared/moc_qabstractitemview.cpp:224
#15 0x00007fa53afe1275 in QHeaderView::qt_metacall (this=0x220e070, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff0c951160) at .moc/release-shared/moc_qheaderview.cpp:136
#16 0x00007fa53b71feba in QMetaObject::activate (sender=0x255bfe0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#17 0x00007fa53b050eaf in QSortFilterProxyModelPrivate::_q_sourceReset (this=0x21ec4b0) at itemviews/qsortfilterproxymodel.cpp:1228
#18 0x00007fa53b0535e9 in QSortFilterProxyModel::qt_metacall (this=0x255bfe0, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0x7fff0c9512a0) at .moc/release-shared/moc_qsortfilterproxymodel.cpp:133
#19 0x00007fa53b71feba in QMetaObject::activate (sender=0x2e427d0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#20 0x00007fa53c7eed09 in PackageWidget::setSortedPackages() () from /usr/lib/libmuonprivate.so.1
#21 0x00007fa53c7efa4f in PackageWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libmuonprivate.so.1
#22 0x00007fa53b71feba in QMetaObject::activate (sender=0x20d0f40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#23 0x00007fa53b6177a7 in QFutureWatcherBase::event (this=<optimized out>, event=0x21186f0) at concurrent/qfuturewatcher.cpp:344
#24 0x00007fa53aabd424 in notify_helper (e=0x21186f0, receiver=0x20d0f40, this=0xfc5b10) at kernel/qapplication.cpp:4486
#25 QApplicationPrivate::notify_helper (this=0xfc5b10, receiver=0x20d0f40, e=0x21186f0) at kernel/qapplication.cpp:4458
#26 0x00007fa53aac2291 in QApplication::notify (this=0x7fff0c953d50, receiver=0x20d0f40, e=0x21186f0) at kernel/qapplication.cpp:4365
#27 0x00007fa53c1421e6 in KApplication::notify (this=0x7fff0c953d50, receiver=0x20d0f40, event=0x21186f0) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007fa53b70cafc in QCoreApplication::notifyInternal (this=0x7fff0c953d50, receiver=0x20d0f40, event=0x21186f0) at kernel/qcoreapplication.cpp:787
#29 0x00007fa53b71051f in sendEvent (event=0x21186f0, receiver=0x20d0f40) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xf980a0) at kernel/qcoreapplication.cpp:1428
#31 0x00007fa53b737a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#32 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#33 0x00007fa535c79a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fa535c7a258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fa535c7a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fa53b737ed6 in QEventDispatcherGlib::processEvents (this=0xf99bb0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00007fa53ab6507e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007fa53b71092f in QCoreApplication::processEvents (flags=...) at kernel/qcoreapplication.cpp:979
#39 0x00007fa53c58ecf3 in ?? () from /usr/lib/libqapt.so.1
#40 0x00007fa5390b0020 in pkgDepCache::Update(OpProgress*) () from /usr/lib/libapt-pkg.so.4.11
#41 0x00007fa5390b523e in pkgDepCache::Init(OpProgress*) () from /usr/lib/libapt-pkg.so.4.11
#42 0x00007fa5390df1fd in pkgCacheFile::BuildDepCache(OpProgress*) () from /usr/lib/libapt-pkg.so.4.11
#43 0x00007fa5390df27a in pkgCacheFile::Open(OpProgress*, bool) () from /usr/lib/libapt-pkg.so.4.11
#44 0x00007fa53c58eab7 in QApt::Cache::open() () from /usr/lib/libqapt.so.1
#45 0x00007fa53c589e22 in QApt::Backend::reloadCache() () from /usr/lib/libqapt.so.1
#46 0x00007fa53c7ef29d in PackageWidget::reload() () from /usr/lib/libmuonprivate.so.1
#47 0x000000000040e419 in _start ()

Reported using DrKonqi