Bug 322898

Application: muon (2.0.1)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-27-generic x86_64
Distribution: Ubuntu 13.04

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

just finished a full upgrade and the full upgrade button was still available after pressing it it crashed

-- Backtrace:
Application: Muon Package Manager (muon), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ffda1be07c0 (LWP 3726))]

Thread 2 (Thread 0x7ffd87fff700 (LWP 3787)):
#0  0x00007ffd9ad9107f in __pthread_mutex_unlock_usercnt (mutex=0x7ffd80000a60, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  0x00007ffd9a8fa5f1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffd9a8ba8f3 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffd9a8bb0fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffd9a8bb304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffd9f1cc036 in QEventDispatcherGlib::processEvents (this=0x7ffd800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007ffd9f19c38f in QEventLoop::processEvents (this=this@entry=0x7ffd87ffed90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ffd9f19c618 in QEventLoop::exec (this=this@entry=0x7ffd87ffed90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007ffd9f09e410 in QThread::exec (this=this@entry=0x1b6a5d0) at thread/qthread.cpp:542
#9  0x00007ffd9f17dedf in QInotifyFileSystemWatcherEngine::run (this=0x1b6a5d0) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007ffd9f0a0bec in QThreadPrivate::start (arg=0x1b6a5d0) at thread/qthread_unix.cpp:338
#11 0x00007ffd9ad8df8e in start_thread (arg=0x7ffd87fff700) at pthread_create.c:311
#12 0x00007ffd9ea53e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7ffda1be07c0 (LWP 3726)):
[KCrash Handler]
#6  QApt::Cache::depCache (this=0xffaea7e8fb894853) at /build/buildd/qapt-2.0.0/src/cache.cpp:86
#7  0x00007ffda0eec475 in QApt::Package::shortDescription (this=this@entry=0x22cb420) at /build/buildd/qapt-2.0.0/src/package.cpp:264
#8  0x0000000000427775 in PackageModel::data (this=<optimized out>, index=..., role=<optimized out>) at /build/buildd/muon-2.0.1/muon/PackageModel/PackageModel.cpp:60
#9  0x00007ffda011311d in QSortFilterProxyModel::data (this=<optimized out>, index=..., role=34) at itemviews/qsortfilterproxymodel.cpp:1735
#10 0x0000000000428c9e in data (arole=34, this=0x7fffd1b33fd0) at /usr/include/qt4/QtCore/qabstractitemmodel.h:402
#11 PackageDelegate::sizeHint (this=0x1b58130, option=..., index=...) at /build/buildd/muon-2.0.1/muon/PackageModel/PackageDelegate.cpp:256
#12 0x00007ffda00d3608 in QTreeView::indexRowSizeHint (this=this@entry=0x2263850, index=...) at itemviews/qtreeview.cpp:2815
#13 0x00007ffda00ddb0f in QTreeView::dataChanged (this=0x2263850, topLeft=..., bottomRight=...) at itemviews/qtreeview.cpp:681
#14 0x00007ffd9f1b20ef in QMetaObject::activate (sender=sender@entry=0x222dc30, m=m@entry=0x7ffd9f4f85e0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffd1b34280) at kernel/qobject.cpp:3539
#15 0x00007ffd9f1fcf97 in QAbstractItemModel::dataChanged (this=this@entry=0x222dc30, _t1=..., _t2=...) at .moc/release-shared/moc_qabstractitemmodel.cpp:164
#16 0x00007ffda011893c in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=0x222c870, source_top_left=..., source_bottom_right=...) at itemviews/qsortfilterproxymodel.cpp:1210
#17 0x00007ffd9f1b20ef in QMetaObject::activate (sender=sender@entry=0x262b840, m=m@entry=0x7ffd9f4f85e0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffd1b34520) at kernel/qobject.cpp:3539
#18 0x00007ffd9f1fcf97 in QAbstractItemModel::dataChanged (this=this@entry=0x262b840, _t1=..., _t2=...) at .moc/release-shared/moc_qabstractitemmodel.cpp:164
#19 0x0000000000427b1b in PackageModel::externalDataChanged (this=0x262b840) at /build/buildd/muon-2.0.1/muon/PackageModel/PackageModel.cpp:107
#20 0x00007ffd9f1b20ef in QMetaObject::activate (sender=0x19fdc70, m=m@entry=0x7ffda111b720 <QApt::Backend::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#21 0x00007ffda0f05b10 in QApt::Backend::packageChanged (this=<optimized out>) at /build/buildd/qapt-2.0.0/obj-x86_64-linux-gnu/src/moc_backend.cxx:204
#22 0x00007ffda0edec42 in QApt::Backend::markPackagesForDistUpgrade (this=<optimized out>) at /build/buildd/qapt-2.0.0/src/backend.cpp:877
#23 0x000000000041ce18 in MainWindow::markDistUpgrade (this=0x188dbe0) at /build/buildd/muon-2.0.1/muon/MainWindow.cpp:236
#24 0x00007ffd9f1b20ef in QMetaObject::activate (sender=sender@entry=0x1a10e20, m=m@entry=0x7ffda06297a0 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fffd1b348b0) at kernel/qobject.cpp:3539
#25 0x00007ffd9fb81152 in QAction::triggered (this=this@entry=0x1a10e20, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#26 0x00007ffd9fb82580 in QAction::activate (this=0x1a10e20, event=<optimized out>) at kernel/qaction.cpp:1257
#27 0x00007ffd9ff469ef in QAbstractButtonPrivate::click (this=this@entry=0x1a375e0) at widgets/qabstractbutton.cpp:530
#28 0x00007ffd9ff46c9c in QAbstractButton::mouseReleaseEvent (this=0x1a9b610, e=0x7fffd1b35160) at widgets/qabstractbutton.cpp:1123
#29 0x00007ffda000377a in QToolButton::mouseReleaseEvent (this=<optimized out>, e=<optimized out>) at widgets/qtoolbutton.cpp:718
#30 0x00007ffd9fbd4a89 in QWidget::event (this=0x1a9b610, event=0x7fffd1b35160) at kernel/qwidget.cpp:8375
#31 0x00007ffd9fb878ec in QApplicationPrivate::notify_helper (this=this@entry=0x16f2320, receiver=receiver@entry=0x1a9b610, e=e@entry=0x7fffd1b35160) at kernel/qapplication.cpp:4567
#32 0x00007ffd9fb8aa33 in QApplication::notify (this=this@entry=0x7fffd1b35dd0, receiver=receiver@entry=0x1a9b610, e=e@entry=0x7fffd1b35160) at kernel/qapplication.cpp:4110
#33 0x00007ffda08931a6 in KApplication::notify (this=0x7fffd1b35dd0, receiver=0x1a9b610, event=0x7fffd1b35160) at ../../kdeui/kernel/kapplication.cpp:311
#34 0x00007ffd9f19d63e in QCoreApplication::notifyInternal (this=0x7fffd1b35dd0, receiver=receiver@entry=0x1a9b610, event=event@entry=0x7fffd1b35160) at kernel/qcoreapplication.cpp:946
#35 0x00007ffd9fb8d933 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#36 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x1a9b610, event=event@entry=0x7fffd1b35160, alienWidget=alienWidget@entry=0x1a9b610, nativeWidget=nativeWidget@entry=0x1a3d770, buttonDown=buttonDown@entry=0x7ffda0665308 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#37 0x00007ffd9fc02ec4 in QETWidget::translateMouseEvent (this=this@entry=0x1a3d770, event=event@entry=0x7fffd1b358e0) at kernel/qapplication_x11.cpp:4631
#38 0x00007ffd9fc01ef1 in QApplication::x11ProcessEvent (this=0x7fffd1b35dd0, event=event@entry=0x7fffd1b358e0) at kernel/qapplication_x11.cpp:3746
#39 0x00007ffd9fc2d0b2 in x11EventSourceDispatch (s=0x16f0870, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#40 0x00007ffd9a8baf05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007ffd9a8bb248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007ffd9a8bb304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007ffd9f1cc016 in QEventDispatcherGlib::processEvents (this=0x16b80e0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#44 0x00007ffd9fc2d1ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#45 0x00007ffd9f19c38f in QEventLoop::processEvents (this=this@entry=0x7fffd1b35cb0, flags=...) at kernel/qeventloop.cpp:149
#46 0x00007ffd9f19c618 in QEventLoop::exec (this=this@entry=0x7fffd1b35cb0, flags=...) at kernel/qeventloop.cpp:204
#47 0x00007ffd9f1a1cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#48 0x00007ffd9fb85ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#49 0x000000000041a32c in main (argc=5, argv=0x7fffd1b35f08) at /build/buildd/muon-2.0.1/muon/main.cpp:56

Possible duplicates by query: bug 314916.

Reported using DrKonqi