Bug 311504

Application: krusader (2.4.0-beta1 "Migration")
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-34-generic-pae i686
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
Just browsing throught the results of DiskUsage led to a crash. I did not notice nothing about the elements being browsed.

-- Backtrace:
Application: Krusader (krusader), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb4cc6740 (LWP 3521))]

Thread 3 (Thread 0xb2419b40 (LWP 3522)):
#0  0xb52f13f6 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb52b1c78 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb52b2125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb52b2201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5f078e7 in QEventDispatcherGlib::processEvents (this=0xb1b00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0xb5ed350d in QEventLoop::processEvents (this=0xb2419240, flags=...) at kernel/qeventloop.cpp:149
#6  0xb5ed37a9 in QEventLoop::exec (this=0xb2419240, flags=...) at kernel/qeventloop.cpp:204
#7  0xb5dbc94c in QThread::exec (this=0x8ac6e20) at thread/qthread.cpp:501
#8  0xb5eb0b5d in QInotifyFileSystemWatcherEngine::run (this=0x8ac6e20) at io/qfilesystemwatcher_inotify.cpp:248
#9  0xb5dbfde0 in QThreadPrivate::start (arg=0x8ac6e20) at thread/qthread_unix.cpp:298
#10 0xb545ad4c in start_thread (arg=0xb2419b40) at pthread_create.c:308
#11 0xb5aecd3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb1225b40 (LWP 3523)):
#0  0xb5129dcd in __GI_clock_gettime (clock_id=1, tp=0xb1224fb8) at ../sysdeps/unix/clock_gettime.c:116
#1  0xb5e1e315 in do_gettime (frac=0xb1224fb0, sec=0xb1224fa8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb5f08226 in QTimerInfoList::updateCurrentTime (this=0xb0902074) at kernel/qeventdispatcher_unix.cpp:343
#4  0xb5f0857a in QTimerInfoList::timerWait (this=0xb0902074, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0xb5f06e23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb12250bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb5f06ebd in timerSourcePrepare (source=0xb0902040, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb52b1872 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb52b1faf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb52b2201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb5f078e7 in QEventDispatcherGlib::processEvents (this=0xb0900468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0xb5ed350d in QEventLoop::processEvents (this=0xb1225240, flags=...) at kernel/qeventloop.cpp:149
#12 0xb5ed37a9 in QEventLoop::exec (this=0xb1225240, flags=...) at kernel/qeventloop.cpp:204
#13 0xb5dbc94c in QThread::exec (this=0x8bcab08) at thread/qthread.cpp:501
#14 0xb5eb0b5d in QInotifyFileSystemWatcherEngine::run (this=0x8bcab08) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb5dbfde0 in QThreadPrivate::start (arg=0x8bcab08) at thread/qthread_unix.cpp:298
#16 0xb545ad4c in start_thread (arg=0xb1225b40) at pthread_create.c:308
#17 0xb5aecd3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb4cc6740 (LWP 3521)):
[KCrash Handler]
#7  QString (other=..., this=0xbfd49544) at /usr/include/qt4/QtCore/qstring.h:725
#8  KMimeTypeRepository::findMimeTypeByName (this=0x8be7458, _name=..., options=KMimeType::ResolveAliases) at ../../kdecore/services/kmimetyperepository.cpp:60
#9  0xb705b1bb in KMimeType::mimeType (name=..., options=KMimeType::ResolveAliases) at ../../kdecore/services/kmimetype.cpp:59
#10 0x08130703 in DiskUsage::getToolTip (this=0x8f2de28, item=0x39) at /build/buildd/krusader-2.4.0~beta1/krusader/DiskUsage/diskusage.cpp:1018
#11 0x0813ce47 in DULines::event (this=0x8f915a8, event=0xbfd499bc) at /build/buildd/krusader-2.4.0~beta1/krusader/DiskUsage/dulines.cpp:254
#12 0xb616fed4 in notify_helper (e=0xbfd499bc, receiver=0x8f915a8, this=0x886a5f0) at kernel/qapplication.cpp:4559
#13 QApplicationPrivate::notify_helper (this=0x886a5f0, receiver=0x8f915a8, e=0xbfd499bc) at kernel/qapplication.cpp:4531
#14 0xb617569f in QApplication::notify (this=0x8f915a8, receiver=0x8f4ab30, e=0xbfd49b5c) at kernel/qapplication.cpp:4241
#15 0xb746fe01 in KApplication::notify (this=0xbfd4b838, receiver=0x8f4ab30, event=0xbfd49b5c) at ../../kdeui/kernel/kapplication.cpp:311
#16 0xb5ed497e in QCoreApplication::notifyInternal (this=0xbfd4b838, receiver=0x8f4ab30, event=0xbfd49b5c) at kernel/qcoreapplication.cpp:876
#17 0xb61748f6 in sendEvent (event=0xbfd49b5c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QApplication::event (this=0xbfd4b838, e=0xbfd49f8c) at kernel/qapplication.cpp:2532
#19 0xb616fed4 in notify_helper (e=0xbfd49f8c, receiver=0xbfd4b838, this=0x886a5f0) at kernel/qapplication.cpp:4559
#20 QApplicationPrivate::notify_helper (this=0x886a5f0, receiver=0xbfd4b838, e=0xbfd49f8c) at kernel/qapplication.cpp:4531
#21 0xb617530d in QApplication::notify (this=0xbfd49f8c, receiver=0xbfd4b838, e=0xbfd49f8c) at kernel/qapplication.cpp:4288
#22 0xb746fe01 in KApplication::notify (this=0xbfd4b838, receiver=0xbfd4b838, event=0xbfd49f8c) at ../../kdeui/kernel/kapplication.cpp:311
#23 0xb5ed497e in QCoreApplication::notifyInternal (this=0xbfd4b838, receiver=0xbfd4b838, event=0xbfd49f8c) at kernel/qcoreapplication.cpp:876
#24 0xb5f09990 in sendEvent (event=0xbfd49f8c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 QTimerInfoList::activateTimers (this=0x886053c) at kernel/qeventdispatcher_unix.cpp:611
#26 0xb5f070f8 in timerSourceDispatch (source=0x8860508) at kernel/qeventdispatcher_glib.cpp:186
#27 timerSourceDispatch (source=0x8860508) at kernel/qeventdispatcher_glib.cpp:180
#28 0xb52b1d86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0xb52b2125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0xb52b2201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0xb5f07887 in QEventDispatcherGlib::processEvents (this=0x885d298, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0xb6228aaa in QGuiEventDispatcherGlib::processEvents (this=0x885d298, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0xb5ed350d in QEventLoop::processEvents (this=0xbfd4a1f0, flags=...) at kernel/qeventloop.cpp:149
#34 0xb5ed37a9 in QEventLoop::exec (this=0xbfd4a1f0, flags=...) at kernel/qeventloop.cpp:204
#35 0xb66c20d9 in QDialog::exec (this=0xbfd4a44c) at dialogs/qdialog.cpp:554
#36 0x0812ed96 in DiskUsageGUI::DiskUsageGUI (this=0xbfd4a44c, openDir=..., parent=0x89e4468) at /build/buildd/krusader-2.4.0~beta1/krusader/DiskUsage/diskusagegui.cpp:144
#37 0x080a2192 in KRslots::slotDiskUsage (this=0x89a2e48) at /build/buildd/krusader-2.4.0~beta1/krusader/krslots.cpp:713
#38 0x080a7e77 in KRslots::qt_metacall (this=0x89a2e48, _c=QMetaObject::InvokeMetaMethod, _id=38, _a=0xbfd4a5f8) at /build/buildd/krusader-2.4.0~beta1/obj-i686-linux-gnu/krusader/krslots.moc:236
#39 0xb5edbc9d in metacall (argv=0xbfd4a5f8, idx=42, cl=QMetaObject::InvokeMetaMethod, object=0x89a2e48) at kernel/qmetaobject.cpp:245
#40 QMetaObject::metacall (object=0x89a2e48, cl=QMetaObject::InvokeMetaMethod, idx=42, argv=0xbfd4a5f8) at kernel/qmetaobject.cpp:240
#41 0xb5eeb9bd in QMetaObject::activate (sender=0x8a0dca0, m=0xb6ae73f8, local_signal_index=1, argv=0xbfd4a5f8) at kernel/qobject.cpp:3566
#42 0xb61689bd in QAction::triggered (this=0x8a0dca0, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#43 0xb6168c5b in QAction::activate (this=0x8a0dca0, event=QAction::Trigger) at kernel/qaction.cpp:1257
#44 0xb662a453 in QMenuPrivate::activateCausedStack (this=0x895b400, causedStack=..., action=0x8a0dca0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1028
#45 0xb663132f in QMenuPrivate::activateAction (this=0x895b400, action=0x8a0dca0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1120
#46 0xb6634015 in QMenu::mouseReleaseEvent (this=0x896f808, e=0xbfd4ae34) at widgets/qmenu.cpp:2360
#47 0xb754e25c in KMenu::mouseReleaseEvent (this=0x896f808, e=0xbfd4ae34) at ../../kdeui/widgets/kmenu.cpp:464
#48 0xb61ca1ac in QWidget::event (this=0x896f808, event=0xbfd4ae34) at kernel/qwidget.cpp:8362
#49 0xb6632a9c in QMenu::event (this=0x896f808, e=0xbfd4ae34) at widgets/qmenu.cpp:2469
#50 0xb616fed4 in notify_helper (e=0xbfd4ae34, receiver=0x896f808, this=0x886a5f0) at kernel/qapplication.cpp:4559
#51 QApplicationPrivate::notify_helper (this=0x886a5f0, receiver=0x896f808, e=0xbfd4ae34) at kernel/qapplication.cpp:4531
#52 0xb6176024 in QApplication::notify (this=0x886a5f0, receiver=0x896f808, e=0xbfd4ae34) at kernel/qapplication.cpp:4102
#53 0xb746fe01 in KApplication::notify (this=0xbfd4b838, receiver=0x896f808, event=0xbfd4ae34) at ../../kdeui/kernel/kapplication.cpp:311
#54 0xb5ed497e in QCoreApplication::notifyInternal (this=0xbfd4b838, receiver=0x896f808, event=0xbfd4ae34) at kernel/qcoreapplication.cpp:876
#55 0xb6170e95 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#56 QApplicationPrivate::sendMouseEvent (receiver=0x896f808, event=0xbfd4ae34, alienWidget=0x0, nativeWidget=0x896f808, buttonDown=0xb6b04cf4, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3170
#57 0xb61fd7d2 in QETWidget::translateMouseEvent (this=0x896f808, event=0xbfd4b2ec) at kernel/qapplication_x11.cpp:4551
#58 0xb61fbc0d in QApplication::x11ProcessEvent (this=0xbfd4b838, event=0xbfd4b2ec) at kernel/qapplication_x11.cpp:3732
#59 0xb6228eac in x11EventSourceDispatch (s=0x885d728, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#60 0xb52b1d86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#61 0xb52b2125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#62 0xb52b2201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#63 0xb5f07887 in QEventDispatcherGlib::processEvents (this=0x885d298, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#64 0xb6228aaa in QGuiEventDispatcherGlib::processEvents (this=0x885d298, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#65 0xb5ed350d in QEventLoop::processEvents (this=0xbfd4b5e4, flags=...) at kernel/qeventloop.cpp:149
#66 0xb5ed37a9 in QEventLoop::exec (this=0xbfd4b5e4, flags=...) at kernel/qeventloop.cpp:204
#67 0xb5ed8eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#68 0xb616da74 in QApplication::exec () at kernel/qapplication.cpp:3820
#69 0x08084037 in main (argc=144298080, argv=<optimized out>) at /build/buildd/krusader-2.4.0~beta1/krusader/main.cpp:320

Possible duplicates by query: bug 304206, bug 298090.

Reported using DrKonqi