Bug 279016

Application: nepomukservicestub (0.2)
KDE Platform Version: 4.6.5 (4.6.5)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-10-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
This continues to happen after applying KDE 4.6.5 updates.

The crash can be reproduced every time.

-- Backtrace:
Application: Nepomuk Service Stub (nepomukservicestub), signal: Segmentation fault
__lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
	in ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
[Current thread is 1 (Thread 0x7f3895abb780 (LWP 5120))]

Thread 3 (Thread 0x7f388496d700 (LWP 5122)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f38954c082b in wait (this=<value optimized out>, mutex=0x25142b0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x25142b0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f3884fa241f in Nepomuk::IndexFeeder::run (this=0x2514290) at ../../../../nepomuk/services/strigi/nepomukindexfeeder.cpp:188
#4  0x00007f38954c0175 in QThreadPrivate::start (arg=0x2514290) at thread/qthread_unix.cpp:320
#5  0x00007f3892e87d8c in start_thread (arg=0x7f388496d700) at pthread_create.c:304
#6  0x00007f389318504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f387ba63700 (LWP 5125)):
[KCrash Handler]
#6  _int_free (av=0x7f389342e1c0, p=0x294eac0) at malloc.c:4892
#7  0x00007f389311b8e3 in __libc_free (mem=<value optimized out>) at malloc.c:3738
#8  0x00007f38955050fc in QString::free (d=0x294ead0) at tools/qstring.cpp:1185
#9  0x00007f3895582162 in ~QString (this=0x2459360, type=...) at ../../include/QtCore/../../src/corelib/tools/qstring.h:883
#10 QFSFileEngine::fileFlags (this=0x2459360, type=...) at io/qfsfileengine_unix.cpp:879
#11 0x00007f3895540315 in QFileInfoPrivate::getFileFlags (this=0x293b230, request=...) at io/qfileinfo.cpp:126
#12 0x00007f38955415ee in QFileInfo::isHidden (this=<value optimized out>) at io/qfileinfo.cpp:861
#13 0x00007f389553aab3 in QDirIteratorPrivate::matchesFilters (this=0x7f3874046440, fileName=..., fi=...) at io/qdiriterator.cpp:318
#14 0x00007f389553b350 in QDirIteratorPrivate::advance (this=0x7f3874046440) at io/qdiriterator.cpp:222
#15 0x00007f389553b48d in QDirIterator::next (this=0x7f387ba62bc0) at io/qdiriterator.cpp:457
#16 0x00007f3884f98daa in Nepomuk::IndexScheduler::analyzeDir (this=0x24d2a70, dir_=<value optimized out>, flags=...) at ../../../../nepomuk/services/strigi/indexscheduler.cpp:391
#17 0x00007f3884f996ec in Nepomuk::IndexScheduler::run (this=0x24d2a70) at ../../../../nepomuk/services/strigi/indexscheduler.cpp:338
#18 0x00007f38954c0175 in QThreadPrivate::start (arg=0x24d2a70) at thread/qthread_unix.cpp:320
#19 0x00007f3892e87d8c in start_thread (arg=0x7f387ba63700) at pthread_create.c:304
#20 0x00007f389318504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#21 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3895abb780 (LWP 5120)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f389311d80f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f389311b8d8 in __libc_free (mem=0x7f389342e1c0) at malloc.c:3736
#3  0x00007f38954bd1b6 in ~QSemaphorePrivate (this=<value optimized out>, __in_chrg=<value optimized out>) at thread/qsemaphore.cpp:101
#4  QSemaphore::~QSemaphore (this=<value optimized out>, __in_chrg=<value optimized out>) at thread/qsemaphore.cpp:130
#5  0x00007f38951f7a41 in QDBusConnectionPrivate::handleObjectCall (this=0x244edc0, msg=...) at qdbusintegrator.cpp:1455
#6  0x00007f38951f7fa7 in QDBusConnectionPrivate::handleMessage (this=0x244edc0, amsg=...) at qdbusintegrator.cpp:565
#7  0x00007f38951fc387 in qDBusSignalFilter (connection=<value optimized out>, message=<value optimized out>, data=0x244edc0) at qdbusintegrator.cpp:541
#8  0x00007f3891a54ac6 in dbus_connection_dispatch () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#9  0x00007f38951ee609 in q_dbus_connection_dispatch (this=0x244edc0) at qdbus_symbols_p.h:115
#10 QDBusConnectionPrivate::doDispatch (this=0x244edc0) at qdbusintegrator.cpp:1125
#11 0x00007f38951f0d6d in QDBusConnectionPrivate::socketRead (this=0x244edc0, fd=<value optimized out>) at qdbusintegrator.cpp:1145
#12 0x00007f38952315f3 in QDBusConnectionPrivate::qt_metacall (this=0x244edc0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffdc1b6980) at .moc/release-shared/moc_qdbusconnection_p.cpp:99
#13 0x00007f38955bc5f8 in QMetaObject::activate (sender=0x24599e0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffdc1b6980) at kernel/qobject.cpp:3287
#14 0x00007f3895603b7e in QSocketNotifier::activated (this=<value optimized out>, _t1=8) at .moc/release-shared/moc_qsocketnotifier.cpp:89
#15 0x00007f38955c1f4b in QSocketNotifier::event (this=0x24599e0, e=0x7fffdc1b7010) at kernel/qsocketnotifier.cpp:317
#16 0x00007f38938f29f4 in QApplicationPrivate::notify_helper (this=0x23ab940, receiver=0x24599e0, e=0x7fffdc1b7010) at kernel/qapplication.cpp:4462
#17 0x00007f38938f73ba in QApplication::notify (this=<value optimized out>, receiver=0x24599e0, e=0x7fffdc1b7010) at kernel/qapplication.cpp:4341
#18 0x00007f38948e56c6 in KApplication::notify (this=0x7fffdc1b7430, receiver=0x24599e0, event=0x7fffdc1b7010) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007f38955a749c in QCoreApplication::notifyInternal (this=0x7fffdc1b7430, receiver=0x24599e0, event=0x7fffdc1b7010) at kernel/qcoreapplication.cpp:731
#20 0x00007f38955d1da9 in sendEvent (source=0x23af980) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#21 socketNotifierSourceDispatch (source=0x23af980) at kernel/qeventdispatcher_glib.cpp:110
#22 0x00007f38923abbcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f38923ac3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f38923ac639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f38955d23ef in QEventDispatcherGlib::processEvents (this=0x23674a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007f389399c4de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f38955a6882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f38955a6abc in QEventLoop::exec (this=0x7fffdc1b7240, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007f38955aaecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#30 0x0000000000403d0f in main (argc=2, argv=<value optimized out>) at ../../../nepomuk/servicestub/main.cpp:167

Possible duplicates by query: bug 278932, bug 277874, bug 277535, bug 277419, bug 277379.

Reported using DrKonqi