[Bug 276643] New: Zanshin crashes when trying to edit category or name of ToDo

Matija Šuklje matija at suklje.name
Mon Jun 27 22:30:15 BST 2011 

https://bugs.kde.org/show_bug.cgi?id=276643

           Summary: Zanshin crashes when trying to edit category or name
                    of ToDo
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: matija at suklje.name


Application: zanshin (0.2)
KDE Platform Version: 4.6.3 (4.6.3)
Qt Version: 4.7.2
Operating System: Linux 2.6.37-gentoo-r4 x86_64
Distribution: "Gentoo Base System release 2.0.2"

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

Sometimes when I edit either the name of a ToDo or its category, Zanshin's
process eats up 100% of my CPU and more often then not crashes afterwards.

- Unusual behavior I noticed:

Usually if Kontact is running as well, it crashes about in the same minute.

- More info:

I pulled code from Git and compiled it myself yesterday (26-06-2011).

The crash can be reproduced some of the time.

-- Backtrace:
Application: Zanshin Todo (zanshin), signal: Segmentation fault
[KCrash Handler]
#6  iterator (this=0x96b070, source_parent=<value optimized out>,
parent_mapping=<value optimized out>, orient=<value optimized out>,
start=<value optimized out>, end=<value optimized out>, delta_item_count=1,
remove=false) at itemviews/qsortfilterproxymodel.cpp:946
#7  insert (this=0x96b070, source_parent=<value optimized out>,
parent_mapping=<value optimized out>, orient=<value optimized out>,
start=<value optimized out>, end=<value optimized out>, delta_item_count=1,
remove=false) at ../../include/QtCore/../../src/corelib/tools/qhash.h:766
#8  QSortFilterProxyModelPrivate::updateChildrenMapping (this=0x96b070,
source_parent=<value optimized out>, parent_mapping=<value optimized out>,
orient=<value optimized out>, start=<value optimized out>, end=<value optimized
out>, delta_item_count=1, remove=false) at
itemviews/qsortfilterproxymodel.cpp:946
#9  0x00007fea4177be63 in QSortFilterProxyModelPrivate::source_items_inserted
(this=0x96b070, source_parent=..., start=0, end=0, orient=Qt::Vertical) at
itemviews/qsortfilterproxymodel.cpp:743
#10 0x00007fea4177c3ef in QSortFilterProxyModelPrivate::_q_sourceRowsInserted
(this=0x94ec10, source_parent=..., start=9827792, end=11811504) at
itemviews/qsortfilterproxymodel.cpp:1278
#11 0x00007fea4177e30c in QSortFilterProxyModel::qt_metacall (this=0x95f600,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff24dbd210)
at .moc/release-shared/moc_qsortfilterproxymodel.cpp:135
#12 0x000000000041d590 in TodoMetadataModel::qt_metacall (this=0x94ec10,
_c=15677360, _id=9827792, _a=0xb43ab0) at
/home/hook/tmp_builds/zanshin/build/src/moc_todometadatamodel.cpp:72
#13 0x00007fea40307a1f in QMetaObject::activate (sender=0x95f5d0, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0xb43ab0) at
kernel/qobject.cpp:3278
#14 0x00007fea403527c4 in QAbstractItemModel::rowsInserted (this=0x94ec10,
_t1=<value optimized out>, _t2=0, _t3=0) at
.moc/release-shared/moc_qabstractitemmodel.cpp:181
#15 0x00007fea402ea9b7 in QAbstractItemModel::endInsertRows (this=0x95f5d0) at
kernel/qabstractitemmodel.cpp:2412
#16 0x00007fea42070670 in Akonadi::EntityTreeModelPrivate::monitoredItemLinked
(this=<value optimized out>, item=..., collection=...) at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3/akonadi/entitytreemodel_p.cpp:1033
#17 0x00007fea42061c75 in Akonadi::EntityTreeModel::qt_metacall (this=0x95f5d0,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff24dbd4d0)
at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3_build/akonadi/entitytreemodel.moc:161
#18 0x000000000041e700 in TodoModel::qt_metacall (this=0x94ec10, _c=15677360,
_id=9827792, _a=0xb43ab0) at
/home/hook/tmp_builds/zanshin/build/src/moc_todomodel.cpp:78
#19 0x00007fea40307a1f in QMetaObject::activate (sender=0x9667f0, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0xb43ab0) at
kernel/qobject.cpp:3278
#20 0x00007fea420b55ea in Akonadi::Monitor::itemLinked (this=0x94ec10,
_t1=<value optimized out>, _t2=<value optimized out>) at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3_build/akonadi/monitor.moc:197
#21 0x00007fea420b85b7 in Akonadi::MonitorPrivate::emitItemNotification
(this=0x95f4a0, msg=..., item=<value optimized out>, collection=<value
optimized out>, collectionDest=<value optimized out>) at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3/akonadi/monitor_p.cpp:462
#22 0x00007fea420b9bc3 in Akonadi::MonitorPrivate::emitNotification
(this=0x95f4a0, msg=...) at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3/akonadi/monitor_p.cpp:270
#23 0x00007fea4201e921 in
Akonadi::ChangeRecorderPrivate::emitNotification(Akonadi::NotificationMessage
const&) () from /usr/lib64/libakonadi-kde.so.4
#24 0x00007fea420b916a in Akonadi::MonitorPrivate::dataAvailable
(this=0x95f4a0) at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3/akonadi/monitor_p.cpp:287
#25 0x00007fea420b5745 in Akonadi::Monitor::qt_metacall (this=0x9667f0,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff24dbda70)
at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3_build/akonadi/monitor.moc:156
#26 0x00007fea4201e608 in Akonadi::ChangeRecorder::qt_metacall (this=0x94ec10,
_c=15677360, _id=9827792, _a=0xb43ab0) at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3_build/akonadi/changerecorder.moc:72
#27 0x00007fea40307a1f in QMetaObject::activate (sender=0x95f500, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0xb43ab0) at
kernel/qobject.cpp:3278
#28 0x00007fea4201f317 in Akonadi::EntityCache<Akonadi::Collection,
Akonadi::CollectionFetchJob, Akonadi::CollectionFetchScope>::fetchResult(KJob*)
() from /usr/lib64/libakonadi-kde.so.4
#29 0x00007fea4205ac63 in Akonadi::EntityCacheBase::qt_metacall (this=0x95f500,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff24dbdc80)
at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3_build/akonadi/entitycache_p.moc:77
#30 0x00007fea40307a1f in QMetaObject::activate (sender=0xe10ef0, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0xb43ab0) at
kernel/qobject.cpp:3278
#31 0x00007fea409dd932 in KJob::result (this=0x94ec10, _t1=0xe10ef0) at
/var/tmp/portage/kde-base/kdelibs-4.6.3-r2/work/kdelibs-4.6.3_build/kdecore/kjob.moc:194
#32 0x00007fea409ddbd0 in KJob::emitResult (this=0xe10ef0) at
/var/tmp/portage/kde-base/kdelibs-4.6.3-r2/work/kdelibs-4.6.3/kdecore/jobs/kjob.cpp:312
#33 0x00007fea420abf39 in delayedEmitResult (this=0xe10ef0,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xea6860) at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3/akonadi/job.cpp:144
#34 Akonadi::Job::qt_metacall (this=0xe10ef0, _c=QMetaObject::InvokeMetaMethod,
_id=<value optimized out>, _a=0xea6860) at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3_build/akonadi/job.moc:91
#35 0x00007fea4202c7a5 in Akonadi::CollectionFetchJob::qt_metacall
(this=0x94ec10, _c=15677360, _id=9827792, _a=0xb43ab0) at
/var/tmp/portage/kde-base/kdepimlibs-4.6.3/work/kdepimlibs-4.6.3_build/akonadi/collectionfetchjob.moc:73
#36 0x00007fea40301ace in QObject::event (this=0xe10ef0, e=0x94ec10) at
kernel/qobject.cpp:1217
#37 0x00007fea411bf8dc in QApplicationPrivate::notify_helper (this=0x809210,
receiver=0xe10ef0, e=0xf0c230) at kernel/qapplication.cpp:4462
#38 0x00007fea411c4d7d in QApplication::notify (this=0x7fff24dbe770,
receiver=0xe10ef0, e=0xf0c230) at kernel/qapplication.cpp:4341
#39 0x00007fea42617276 in KApplication::notify (this=0x7fff24dbe770,
receiver=0xe10ef0, event=0xf0c230) at
/var/tmp/portage/kde-base/kdelibs-4.6.3-r2/work/kdelibs-4.6.3/kdeui/kernel/kapplication.cpp:311
#40 0x00007fea402efd3b in QCoreApplication::notifyInternal
(this=0x7fff24dbe770, receiver=0xe10ef0, event=0xf0c230) at
kernel/qcoreapplication.cpp:731
#41 0x00007fea402f2cc1 in sendEvent (receiver=0x0, event_type=<value optimized
out>, data=0x7eb350) at kernel/qcoreapplication.h:215
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value
optimized out>, data=0x7eb350) at kernel/qcoreapplication.cpp:1372
#43 0x00007fea4031c2e3 in sendPostedEvents (s=0x80b9c0) at
kernel/qcoreapplication.h:220
#44 postEventSourceDispatch (s=0x80b9c0) at
kernel/qeventdispatcher_glib.cpp:277
#45 0x00007fea3c50ffa1 in g_main_dispatch (context=0x80b8e0) at gmain.c:2440
#46 g_main_context_dispatch (context=0x80b8e0) at gmain.c:3013
#47 0x00007fea3c514638 in g_main_context_iterate (context=0x80b8e0,
block=<value optimized out>, dispatch=<value optimized out>, self=<value
optimized out>) at gmain.c:3091
#48 0x00007fea3c5147ec in g_main_context_iteration (context=0x80b8e0,
may_block=1) at gmain.c:3154
#49 0x00007fea4031be23 in QEventDispatcherGlib::processEvents (this=0x7eaf50,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#50 0x00007fea41271cbe in QGuiEventDispatcherGlib::processEvents
(this=0x94ec10, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#51 0x00007fea402eea92 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#52 0x00007fea402eee74 in QEventLoop::exec (this=0x7fff24dbe6b0, flags=) at
kernel/qeventloop.cpp:201
#53 0x00007fea402f2eeb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1008
#54 0x000000000041f7d3 in main (argc=<value optimized out>, argv=<value
optimized out>) at /home/hook/tmp_builds/zanshin/src/main.cpp:108

Reported using DrKonqi

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