Bug 267649

Application: dolphin (1.6)
KDE Platform Version: 4.6.00 (4.6.0)
Qt Version: 4.7.1
Operating System: Linux 2.6.35-23-generic x86_64
Distribution: Ubuntu Natty (development branch)

-- Information about the crash:
Crashes sometimes when trying to open a directory.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f8e882b2780 (LWP 11604))]

Thread 3 (Thread 0x7f8e74b01700 (LWP 11605)):
#0  0x00007f8e80825d7c in __pthread_mutex_unlock_usercnt (mutex=0x1cfc7b8) at pthread_mutex_unlock.c:37
#1  __pthread_mutex_unlock (mutex=0x1cfc7b8) at pthread_mutex_unlock.c:290
#2  0x00007f8e803550f4 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#3  0x00007f8e80356004 in ?? () from /lib/libglib-2.0.so.0
#4  0x00007f8e803566a9 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00007f8e8402ba96 in QEventDispatcherGlib::processEvents (this=0x1d776c0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#6  0x00007f8e83ffff02 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f8e8400013c in QEventLoop::exec (this=0x7f8e74b00dd0, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007f8e83f17224 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#9  0x00007f8e83fe245f in QInotifyFileSystemWatcherEngine::run (this=0x1cff990) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f8e83f199de in QThreadPrivate::start (arg=0x1cff990) at thread/qthread_unix.cpp:285
#11 0x00007f8e80821d8c in start_thread (arg=0x7f8e74b01700) at pthread_create.c:304
#12 0x00007f8e87ba717d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f8e6fdc7700 (LWP 11606)):
#0  0x00007f8e87b9f223 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f8e83fe1d31 in QProcessManager::run (this=0x7f8e84333f40) at io/qprocess_unix.cpp:245
#2  0x00007f8e83f199de in QThreadPrivate::start (arg=0x7f8e84333f40) at thread/qthread_unix.cpp:285
#3  0x00007f8e80821d8c in start_thread (arg=0x7f8e6fdc7700) at pthread_create.c:304
#4  0x00007f8e87ba717d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8e882b2780 (LWP 11604)):
[KCrash Handler]
#6  d_func (this=0x0, mimeTypeName=...) at ../../kdecore/services/kmimetype.h:48
#7  KMimeType::is (this=0x0, mimeTypeName=...) at ../../kdecore/services/kmimetype.cpp:517
#8  0x00007f8e85c2a38b in checkDesktopFile (item=..., _determineMimeType=false) at ../../kio/kio/kfileitem.cpp:826
#9  0x00007f8e85c2cac1 in KFileItem::overlays (this=0x24f1620) at ../../kio/kio/kfileitem.cpp:841
#10 0x00007f8e85c1d3a7 in KDirModel::data (this=<value optimized out>, index=<value optimized out>, role=<value optimized out>) at ../../kio/kio/kdirmodel.cpp:686
#11 0x00007f8e86f1a5c5 in DolphinModel::data(QModelIndex const&, int) const () from /usr/lib/libdolphinprivate.so.4
#12 0x00007f8e84f5382c in QSortFilterProxyModel::data (this=<value optimized out>, index=..., role=1) at itemviews/qsortfilterproxymodel.cpp:1716
#13 0x00007f8e85c38767 in data (this=<value optimized out>, option=..., index=<value optimized out>) at /usr/include/qt4/QtCore/qabstractitemmodel.h:398
#14 KFileItemDelegate::Private::decoration (this=<value optimized out>, option=..., index=<value optimized out>) at ../../kio/kio/kfileitemdelegate.cpp:1122
#15 0x00007f8e85c3933c in KFileItemDelegate::Private::initStyleOption (this=0x1f8e550, option=0x7fff77a18510, index=<value optimized out>) at ../../kio/kio/kfileitemdelegate.cpp:861
#16 0x00007f8e85c3d0ca in KFileItemDelegate::sizeHint (this=0x1f8e460, option=..., index=...) at ../../kio/kio/kfileitemdelegate.cpp:949
#17 0x00007f8e84eed5c1 in QListViewPrivate::itemSize (this=0x1f82720, option=..., index=...) at itemviews/qlistview.cpp:1788
#18 0x00007f8e84ef8e9d in itemSize (this=0x1f8c330, info=..., max=12) at ../../include/QtGui/private/../../../src/gui/itemviews/qlistview_p.h:473
#19 QIconModeViewBase::doBatchedItemLayout (this=0x1f8c330, info=..., max=12) at itemviews/qlistview.cpp:2744
#20 0x00007f8e84eece7e in QListViewPrivate::doItemsLayout (this=0x1f82720, delta=<value optimized out>) at itemviews/qlistview.cpp:1725
#21 0x00007f8e84eecfff in QListView::doItemsLayout (this=0x1f811e0) at itemviews/qlistview.cpp:1468
#22 0x00007f8e84ef1bb1 in executePostedLayout (this=<value optimized out>, index=...) at ../../include/QtGui/private/../../../src/gui/itemviews/qabstractitemview_p.h:212
#23 rectForIndex (this=<value optimized out>, index=...) at ../../include/QtGui/private/../../../src/gui/itemviews/qlistview_p.h:344
#24 QListView::rectForIndex (this=<value optimized out>, index=...) at itemviews/qlistview.cpp:1226
#25 0x00007f8e84ef1d3e in QListView::visualRect (this=<value optimized out>, index=<value optimized out>) at itemviews/qlistview.cpp:561
#26 0x00007f8e856b21cb in KCategorizedView::visualRect (this=0x1f811e0, index=...) at ../../kdeui/itemviews/kcategorizedview.cpp:549
#27 0x00007f8e85bcf221 in KIO::DefaultViewAdapter::visualRect (this=<value optimized out>, index=<value optimized out>) at ../../kio/kio/defaultviewadapter.cpp:57
#28 0x00007f8e8788ada6 in KFilePreviewGenerator::Private::orderItems (this=0x1f8cd00, items=...) at ../../kfile/kfilepreviewgenerator.cpp:1091
#29 0x00007f8e8788cd6f in KFilePreviewGenerator::Private::updateIcons (this=0x1f8cd00, items=...) at ../../kfile/kfilepreviewgenerator.cpp:521
#30 0x00007f8e8788db0a in KFilePreviewGenerator::qt_metacall (this=0x1f86fb0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff77a18db0) at ./kfilepreviewgenerator.moc:93
#31 0x00007f8e84015c08 in QMetaObject::activate (sender=0x1f59a40, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff77a18db0) at kernel/qobject.cpp:3280
#32 0x00007f8e85c07b15 in KDirLister::newItems (this=<value optimized out>, _t1=<value optimized out>) at ./kdirlister.moc:267
#33 0x00007f8e85c09c73 in KDirLister::Private::emitItems (this=0x1f5c1e0) at ../../kio/kio/kdirlister.cpp:2391
#34 0x00007f8e85c0b89b in KDirListerCache::slotEntries (this=0x1d08000, job=<value optimized out>, entries=<value optimized out>) at ../../kio/kio/kdirlister.cpp:1165
#35 0x00007f8e85c17677 in KDirListerCache::qt_metacall (this=0x1d08000, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff77a191d0) at ./kdirlister_p.moc:104
#36 0x00007f8e84015c08 in QMetaObject::activate (sender=0x24f21d0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff77a191d0) at kernel/qobject.cpp:3280
#37 0x00007f8e85bef6d4 in KIO::ListJob::entries (this=<value optimized out>, _t1=0x24f21d0, _t2=<value optimized out>) at ./jobclasses.moc:835
#38 0x00007f8e85bf360b in KIO::ListJobPrivate::slotListEntries (this=0x24f17e0, list=...) at ../../kio/kio/job.cpp:2472
#39 0x00007f8e85bf37ea in KIO::ListJob::qt_metacall (this=0x24f21d0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff77a19490) at ./jobclasses.moc:821
#40 0x00007f8e84015c08 in QMetaObject::activate (sender=0x20b9e50, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff77a19490) at kernel/qobject.cpp:3280
#41 0x00007f8e85c8fbb5 in KIO::SlaveInterface::listEntries (this=<value optimized out>, _t1=<value optimized out>) at ./slaveinterface.moc:185
#42 0x00007f8e85c92550 in KIO::SlaveInterface::dispatch (this=<value optimized out>, _cmd=<value optimized out>, rawdata=...) at ../../kio/kio/slaveinterface.cpp:191
#43 0x00007f8e85c8f565 in KIO::SlaveInterface::dispatch (this=<value optimized out>) at ../../kio/kio/slaveinterface.cpp:89
#44 0x00007f8e85c830ae in KIO::Slave::gotInput (this=0x20b9e50) at ../../kio/kio/slave.cpp:348
#45 0x00007f8e85c836fc in KIO::Slave::qt_metacall (this=0x20b9e50, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff77a19870) at ./slave.moc:82
#46 0x00007f8e84015c08 in QMetaObject::activate (sender=0x21bcf20, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3280
#47 0x00007f8e85bbe4b7 in KIO::ConnectionPrivate::dequeue (this=0x2132420) at ../../kio/kio/connection.cpp:82
#48 0x00007f8e85bbe55d in KIO::Connection::qt_metacall (this=0x21bcf20, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x20c07c0) at ./connection.moc:79
#49 0x00007f8e84014a9a in QObject::event (this=0x21bcf20, e=<value optimized out>) at kernel/qobject.cpp:1219
#50 0x00007f8e849be5c4 in QApplicationPrivate::notify_helper (this=0x1c5d530, receiver=0x21bcf20, e=0x2133ab0) at kernel/qapplication.cpp:4445
#51 0x00007f8e849c2efa in QApplication::notify (this=<value optimized out>, receiver=0x21bcf20, e=0x2133ab0) at kernel/qapplication.cpp:4324
#52 0x00007f8e856da6b6 in KApplication::notify (this=0x7fff77a1a2c0, receiver=0x21bcf20, event=0x2133ab0) at ../../kdeui/kernel/kapplication.cpp:311
#53 0x00007f8e84000b1c in QCoreApplication::notifyInternal (this=0x7fff77a1a2c0, receiver=0x21bcf20, event=0x2133ab0) at kernel/qcoreapplication.cpp:732
#54 0x00007f8e840042a5 in sendEvent (receiver=0x0, event_type=0, data=0x1c365d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#55 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1c365d0) at kernel/qcoreapplication.cpp:1373
#56 0x00007f8e8402b8a3 in sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#57 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#58 0x00007f8e80355c2d in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#59 0x00007f8e80356418 in ?? () from /lib/libglib-2.0.so.0
#60 0x00007f8e803566a9 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#61 0x00007f8e8402ba3f in QEventDispatcherGlib::processEvents (this=0x1c35cc0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#62 0x00007f8e84a64f0e in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#63 0x00007f8e83ffff02 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#64 0x00007f8e8400013c in QEventLoop::exec (this=0x7fff77a1a250, flags=...) at kernel/qeventloop.cpp:201
#65 0x00007f8e8400454b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#66 0x00007f8e87ea94f5 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_dolphin.so
#67 0x00007f8e87adfefe in __libc_start_main (main=0x400730 <_start+256>, argc=1, ubp_av=0x7fff77a1a7e8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff77a1a7d8) at libc-start.c:226
#68 0x0000000000400659 in _start ()

This bug may be a duplicate of or related to bug 261882.

Possible duplicates by query: bug 261882, bug 252279.

Reported using DrKonqi