Bug 286059

Application: nepomukservicestub (0.2)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
plasma-desktop crashes when shutting down the system

The crash can be reproduced some of the time.

-- Backtrace:
Application: Nepomuk-Dienst (nepomukservicestub), signal: Segmentation fault
pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
[Current thread is 1 (Thread 0x7fd495b80780 (LWP 2372))]

Thread 10 (Thread 0x7fd4803a9700 (LWP 2766)):
#0  0x00007fd4931d0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd492403f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd492404429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd49568ef3e in QEventDispatcherGlib::processEvents (this=0x1fbf350, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd495662cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd495662ef7 in QEventLoop::exec (this=0x7fd4803a8dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fd49557a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fd495645cbf in QInotifyFileSystemWatcherEngine::run (this=0x1f77220) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fd49557cd05 in QThreadPrivate::start (arg=0x1f77220) at thread/qthread_unix.cpp:331
#9  0x00007fd492ee5efc in start_thread (arg=0x7fd4803a9700) at pthread_create.c:304
#10 0x00007fd4931dc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fd47eba6700 (LWP 2792)):
[KCrash Handler]
#6  end (this=) at ../../include/QtCore/../../src/corelib/tools/qlist.h:98
#7  constEnd (this=) at ../../include/QtCore/../../src/corelib/tools/qlist.h:259
#8  QCoreApplication::translate (context=0x7fd49185d9c0 "QLocalSocket", sourceText=0x7fd49185df7b "%1: Remote closed", disambiguation=0x0, encoding=QCoreApplication::CodecForTr, n=-1) at kernel/qcoreapplication.cpp:1821
#9  0x00007fd49566452f in QCoreApplication::translate (context=<optimized out>, sourceText=<optimized out>, disambiguation=<optimized out>, encoding=<optimized out>) at kernel/qcoreapplication.cpp:1738
#10 0x00007fd495669cb0 in QMetaObject::tr (this=<optimized out>, s=<optimized out>, c=<optimized out>) at kernel/qmetaobject.cpp:281
#11 0x00007fd49182989c in tr (s=0x7fd49185df7b "%1: Remote closed", c=<optimized out>) at socket/qlocalsocket.h:60
#12 QLocalSocketPrivate::generateErrorString (this=<optimized out>, error=<optimized out>, function=...) at socket/qlocalsocket_unix.cpp:142
#13 0x00007fd49182a013 in QLocalSocketPrivate::_q_error (this=0x1ff0b90, socketError=QAbstractSocket::RemoteHostClosedError) at socket/qlocalsocket_unix.cpp:100
#14 0x00007fd49182699c in QLocalSocket::qt_metacall (this=0x1fedc50, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fd47eba5790) at .moc/release-shared/moc_qlocalsocket.cpp:91
#15 0x00007fd495676eba in QMetaObject::activate (sender=0x1ff0c80, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fd47eba5790) at kernel/qobject.cpp:3278
#16 0x00007fd49181e681 in QAbstractSocket::error (this=<optimized out>, _t1=QAbstractSocket::RemoteHostClosedError) at .moc/release-shared/moc_qabstractsocket.cpp:156
#17 0x00007fd491820431 in QAbstractSocketPrivate::readFromSocket (this=0x1fb3790) at socket/qabstractsocket.cpp:1178
#18 0x00007fd491820763 in QAbstractSocketPrivate::canReadNotification (this=0x1fb3790) at socket/qabstractsocket.cpp:618
#19 0x00007fd49180f551 in event (this=<optimized out>, e=<optimized out>) at socket/qnativesocketengine.cpp:1103
#20 QReadNotifier::event (this=<optimized out>, e=<optimized out>) at socket/qnativesocketengine.cpp:1100
#21 0x00007fd49399d424 in notify_helper (e=0x7fd47eba5b50, receiver=0x1fdcc00, this=0x1d5fae0) at kernel/qapplication.cpp:4486
#22 QApplicationPrivate::notify_helper (this=0x1d5fae0, receiver=0x1fdcc00, e=0x7fd47eba5b50) at kernel/qapplication.cpp:4458
#23 0x00007fd4939a2291 in QApplication::notify (this=0x7fffd819ccf0, receiver=0x1fdcc00, e=0x7fd47eba5b50) at kernel/qapplication.cpp:4365
#24 0x00007fd495663afc in QCoreApplication::notifyInternal (this=0x7fffd819ccf0, receiver=0x1fdcc00, event=0x7fd47eba5b50) at kernel/qcoreapplication.cpp:787
#25 0x00007fd49568e5b7 in sendEvent (event=0x7fd47eba5b50, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#26 socketNotifierSourceDispatch (source=0x1fba210) at kernel/qeventdispatcher_glib.cpp:110
#27 0x00007fd492403a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fd492404258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fd492404429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fd49568eed6 in QEventDispatcherGlib::processEvents (this=0x1fa1520, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#31 0x00007fd495662cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#32 0x00007fd495662ef7 in QEventLoop::exec (this=0x7fd47eba5d60, flags=...) at kernel/qeventloop.cpp:201
#33 0x00007fd49557a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#34 0x00007fd48653f0ae in ?? () from /usr/lib/libsopranoserver.so.1
#35 0x00007fd49557cd05 in QThreadPrivate::start (arg=0x1f77870) at thread/qthread_unix.cpp:331
#36 0x00007fd492ee5efc in start_thread (arg=0x7fd47eba6700) at pthread_create.c:304
#37 0x00007fd4931dc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#38 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fd47e3a5700 (LWP 2795)):
#0  0x00007fd4931d0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd492403f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd492404429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd49568ef3e in QEventDispatcherGlib::processEvents (this=0x1fac3e0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd495662cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd495662ef7 in QEventLoop::exec (this=0x7fd47e3a4d60, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fd49557a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fd48653f0ae in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007fd49557cd05 in QThreadPrivate::start (arg=0x1fc1720) at thread/qthread_unix.cpp:331
#9  0x00007fd492ee5efc in start_thread (arg=0x7fd47e3a5700) at pthread_create.c:304
#10 0x00007fd4931dc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fd47dba4700 (LWP 2801)):
#0  0x00007fd4931d0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd492403f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd492404429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd49568ef3e in QEventDispatcherGlib::processEvents (this=0x1fcbad0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd495662cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd495662ef7 in QEventLoop::exec (this=0x7fd47dba3d60, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fd49557a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fd48653f0ae in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007fd49557cd05 in QThreadPrivate::start (arg=0x2512ee0) at thread/qthread_unix.cpp:331
#9  0x00007fd492ee5efc in start_thread (arg=0x7fd47dba4700) at pthread_create.c:304
#10 0x00007fd4931dc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fd47d3a3700 (LWP 2805)):
#0  0x00007fd4931d0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd492403f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd492404429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd49568ef3e in QEventDispatcherGlib::processEvents (this=0x1fc4360, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd495662cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd495662ef7 in QEventLoop::exec (this=0x7fd47d3a2d60, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fd49557a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fd48653f0ae in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007fd49557cd05 in QThreadPrivate::start (arg=0x1fdf7b0) at thread/qthread_unix.cpp:331
#9  0x00007fd492ee5efc in start_thread (arg=0x7fd47d3a3700) at pthread_create.c:304
#10 0x00007fd4931dc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fd47fba8700 (LWP 2932)):
#0  0x00007fd492403f5c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fd492404429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd49568ef3e in QEventDispatcherGlib::processEvents (this=0x1f9d8d0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#3  0x00007fd495662cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#4  0x00007fd495662ef7 in QEventLoop::exec (this=0x7fd47fba7d60, flags=...) at kernel/qeventloop.cpp:201
#5  0x00007fd49557a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#6  0x00007fd48653f0ae in ?? () from /usr/lib/libsopranoserver.so.1
#7  0x00007fd49557cd05 in QThreadPrivate::start (arg=0x7fd478006780) at thread/qthread_unix.cpp:331
#8  0x00007fd492ee5efc in start_thread (arg=0x7fd47fba8700) at pthread_create.c:304
#9  0x00007fd4931dc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fd47cba2700 (LWP 2993)):
#0  0x00007fd4931d0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd492403f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd492404429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd49568ef3e in QEventDispatcherGlib::processEvents (this=0x1fe57b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd495662cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd495662ef7 in QEventLoop::exec (this=0x7fd47cba1d60, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fd49557a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fd48653f0ae in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007fd49557cd05 in QThreadPrivate::start (arg=0x7fd478003f10) at thread/qthread_unix.cpp:331
#9  0x00007fd492ee5efc in start_thread (arg=0x7fd47cba2700) at pthread_create.c:304
#10 0x00007fd4931dc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fd477fff700 (LWP 2996)):
#0  0x00007fd4931d0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd492403f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd492404429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd49568ef3e in QEventDispatcherGlib::processEvents (this=0x1ff3e10, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd495662cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd495662ef7 in QEventLoop::exec (this=0x7fd477ffed60, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fd49557a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fd48653f0ae in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007fd49557cd05 in QThreadPrivate::start (arg=0x2514520) at thread/qthread_unix.cpp:331
#9  0x00007fd492ee5efc in start_thread (arg=0x7fd477fff700) at pthread_create.c:304
#10 0x00007fd4931dc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fd4777fe700 (LWP 2997)):
#0  0x00007fd4931d0773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fd492403f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fd492404429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fd49568ef3e in QEventDispatcherGlib::processEvents (this=0x21bca00, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fd495662cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fd495662ef7 in QEventLoop::exec (this=0x7fd4777fdd60, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fd49557a27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fd48653f0ae in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007fd49557cd05 in QThreadPrivate::start (arg=0x2511880) at thread/qthread_unix.cpp:331
#9  0x00007fd492ee5efc in start_thread (arg=0x7fd4777fe700) at pthread_create.c:304
#10 0x00007fd4931dc89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fd495b80780 (LWP 2372)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fd49557d1ab in wait (time=18446744073709551615, this=0x1f81260) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1fd4670, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fd49557ca4c in QThread::wait (this=<optimized out>, time=18446744073709551615) at thread/qthread_unix.cpp:745
#4  0x00007fd48653e628 in ?? () from /usr/lib/libsopranoserver.so.1
#5  0x00007fd486544c43 in ?? () from /usr/lib/libsopranoserver.so.1
#6  0x00007fd48653ae7e in Soprano::Server::ServerCore::~ServerCore() () from /usr/lib/libsopranoserver.so.1
#7  0x00007fd4867729fc in Nepomuk::Core::~Core (this=0x1eb39f0, __in_chrg=<optimized out>) at ../../../../nepomuk/services/storage/nepomukcore.cpp:45
#8  0x00007fd486772aa9 in Nepomuk::Core::~Core (this=0x1eb39f0, __in_chrg=<optimized out>) at ../../../../nepomuk/services/storage/nepomukcore.cpp:48
#9  0x00007fd495675d75 in QObjectPrivate::deleteChildren (this=0x1ec10a0) at kernel/qobject.cpp:1955
#10 0x00007fd49567b349 in QObject::~QObject (this=0x1ed9550, __in_chrg=<optimized out>) at kernel/qobject.cpp:946
#11 0x00007fd486771c83 in ~Storage (this=0x1ed9550, __in_chrg=<optimized out>) at ../../../../nepomuk/services/storage/storage.cpp:54
#12 Nepomuk::Storage::~Storage (this=0x1ed9550, __in_chrg=<optimized out>) at ../../../../nepomuk/services/storage/storage.cpp:56
#13 0x00007fd495675d75 in QObjectPrivate::deleteChildren (this=0x1eb3680) at kernel/qobject.cpp:1955
#14 0x00007fd49567b349 in QObject::~QObject (this=0x1eb1a50, __in_chrg=<optimized out>) at kernel/qobject.cpp:946
#15 0x0000000000404419 in Nepomuk::ServiceControl::~ServiceControl (this=0x1eb1a50, __in_chrg=<optimized out>) at ../../../nepomuk/servicestub/servicecontrol.cpp:39
#16 0x00007fd495675d75 in QObjectPrivate::deleteChildren (this=0x1d5fae0) at kernel/qobject.cpp:1955
#17 0x00007fd49567b349 in QObject::~QObject (this=0x7fffd819ccf0, __in_chrg=<optimized out>) at kernel/qobject.cpp:946
#18 0x00007fd4939a6f87 in QApplication::~QApplication (this=0x7fffd819ccf0, __in_chrg=<optimized out>) at kernel/qapplication.cpp:1093
#19 0x0000000000403a4d in main (argc=2, argv=0x7fffd819d198) at ../../../nepomuk/servicestub/main.cpp:102

Possible duplicates by query: bug 285259, bug 279622, bug 273675, bug 257176.

Reported using DrKonqi