Application: nepomukservicestub (0.2)
KDE Platform Version: 4.7.00 (4.7.0)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
KDE SC 4.7.0 from Kubuntu Natty ppa, Nepomuk keeps crashing while simply using the desktop.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Nepomuk Service Stub (nepomukservicestub), signal: Aborted
[Current thread is 1 (Thread 0x7f567ce47780 (LWP 5045))]

Thread 3 (Thread 0x7f566d406700 (LWP 5046)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f567a4b037e in _L_lock_36 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f567a4a867c in ptmalloc_lock_all () at arena.c:288
#3  0x00007f567a4df635 in __libc_fork () at ../nptl/sysdeps/unix/sysv/linux/x86_64/../fork.c:95
#4  0x00007f567c90a423 in qt_fork (this=0x7f5668036d30) at io/qprocess_unix.cpp:511
#5  QProcessPrivate::startProcess (this=0x7f5668036d30) at io/qprocess_unix.cpp:634
#6  0x00007f567c8cbedd in QProcess::start (this=0x7f5668037b80, program=..., arguments=<value optimized out>, mode=...) at io/qprocess.cpp:1960
#7  0x00007f567c1a3b6a in KProcess::start (this=<value optimized out>) at ../../kdecore/io/kprocess.cpp:344
#8  0x00007f566dc574f9 in Nepomuk::Indexer::start (this=0x7f5668037c20) at ../../../../nepomuk/services/strigi/nepomukindexer.cpp:58
#9  0x00007f566dc50a04 in Nepomuk::IndexScheduler::doIndexing (this=0x12e7660) at ../../../../nepomuk/services/strigi/indexscheduler.cpp:354
#10 0x00007f566dc50ccc in Nepomuk::IndexScheduler::qt_metacall (this=0x12e7660, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7f5668037480) at ./indexscheduler.moc:128
#11 0x00007f567c93e49a in QObject::event (this=0x12e7660, e=<value optimized out>) at kernel/qobject.cpp:1226
#12 0x00007f567ac859f4 in QApplicationPrivate::notify_helper (this=0x1189040, receiver=0x12e7660, e=0x7f5668039e70) at kernel/qapplication.cpp:4462
#13 0x00007f567ac8a3ba in QApplication::notify (this=<value optimized out>, receiver=0x12e7660, e=0x7f5668039e70) at kernel/qapplication.cpp:4341
#14 0x00007f567bc60796 in KApplication::notify (this=0x7fffe3ccf370, receiver=0x12e7660, event=0x7f5668039e70) at ../../kdeui/kernel/kapplication.cpp:311
#15 0x00007f567c92a49c in QCoreApplication::notifyInternal (this=0x7fffe3ccf370, receiver=0x12e7660, event=0x7f5668039e70) at kernel/qcoreapplication.cpp:731
#16 0x00007f567c92dc25 in sendEvent (receiver=0x0, event_type=0, data=0x12d2b00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x12d2b00) at kernel/qcoreapplication.cpp:1372
#18 0x00007f567c955253 in sendPostedEvents (s=0x12d2310) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#19 postEventSourceDispatch (s=0x12d2310) at kernel/qeventdispatcher_glib.cpp:277
#20 0x00007f567973ebcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f567973f3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f567973f639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f567c9553ef in QEventDispatcherGlib::processEvents (this=0x12e79d0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#24 0x00007f567c929882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f567c929abc in QEventLoop::exec (this=0x7f566d405e00, flags=...) at kernel/qeventloop.cpp:201
#26 0x00007f567c840924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#27 0x00007f567c843175 in QThreadPrivate::start (arg=0x12ffbc0) at thread/qthread_unix.cpp:320
#28 0x00007f567a21ad8c in start_thread (arg=0x7f566d406700) at pthread_create.c:304
#29 0x00007f567a51804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#30 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5667fff700 (LWP 5050)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f567a4b080f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f567a4ae8d8 in __libc_free (mem=0x7f567a7c11c0) at malloc.c:3736
#3  0x00007f567973a9b4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f567c9557aa in QEventDispatcherGlib::~QEventDispatcherGlib (this=0x1344e80, __in_chrg=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:373
#5  0x00007f567c9558f9 in QEventDispatcherGlib::~QEventDispatcherGlib (this=0x1344e80, __in_chrg=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:401
#6  0x00007f567c8424d4 in QThreadPrivate::finish (arg=0x7f567cc5df60) at thread/qthread_unix.cpp:356
#7  0x00007f567c84317d in ~__pthread_cleanup_class (arg=0x7f567cc5df60) at /usr/include/pthread.h:545
#8  QThreadPrivate::start (arg=0x7f567cc5df60) at thread/qthread_unix.cpp:279
#9  0x00007f567a21ad8c in start_thread (arg=0x7f5667fff700) at pthread_create.c:304
#10 0x00007f567a51804d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f567ce47780 (LWP 5045)):
[KCrash Handler]
#6  0x00007f567a465d05 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f567a469ab6 in abort () at abort.c:92
#8  0x00007f567a49ed7b in __libc_message (do_abort=2, fmt=0x7f567a587400 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007f567a4aaa8f in malloc_printerr (av=<value optimized out>, p=0x7f5668037d30) at malloc.c:6283
#10 _int_free (av=<value optimized out>, p=0x7f5668037d30) at malloc.c:4795
#11 0x00007f567a4ae8e3 in __libc_free (mem=<value optimized out>) at malloc.c:3738
#12 0x00007f567c8880fc in QString::free (d=0x7f5668037d40) at tools/qstring.cpp:1185
#13 0x00007f567c1acb5f in ~QString (url=...) at /usr/include/qt4/QtCore/qstring.h:883
#14 isLocalFile (url=...) at ../../kdecore/io/kurl.cpp:890
#15 0x00007f567c1ade1f in KUrl::toLocalFile (this=0x12e76a0, trailing=KUrl::LeaveTrailingSlash) at ../../kdecore/io/kurl.cpp:879
#16 0x00007f566dc4e532 in Nepomuk::IndexScheduler::currentFile (this=<value optimized out>) at ../../../../nepomuk/services/strigi/indexscheduler.cpp:308
#17 0x00007f566dc4cb6c in Nepomuk::StrigiService::userStatusString (this=0x12eec80, simple=false) at ../../../../nepomuk/services/strigi/strigiservice.cpp:166
#18 0x00007f566dc4cd2b in Nepomuk::StrigiService::userStatusString (this=<value optimized out>) at ../../../../nepomuk/services/strigi/strigiservice.cpp:142
#19 0x00007f566dc577e1 in StrigiAdaptor::userStatusString (this=<value optimized out>) at strigiadaptor.cpp:99
#20 0x00007f566dc578db in StrigiAdaptor::qt_metacall (this=0x1342ab0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x7fffe3cce570) at strigiadaptor.moc:143
#21 0x00007f567c5789fa in QDBusConnectionPrivate::deliverCall (this=0x12151f0, object=0x1342ab0, msg=..., metaTypes=..., slotIdx=18) at qdbusintegrator.cpp:942
#22 0x00007f567c579bb5 in QDBusConnectionPrivate::activateCall (this=0x12151f0, object=0x1342ab0, flags=337, msg=...) at qdbusintegrator.cpp:852
#23 0x00007f567c57a33a in QDBusConnectionPrivate::activateObject (this=0x12151f0, node=..., msg=..., pathStartPos=<value optimized out>) at qdbusintegrator.cpp:1410
#24 0x00007f567c57a578 in QDBusActivateObjectEvent::placeMetaCall (this=0x132e940) at qdbusintegrator.cpp:1524
#25 0x00007f567c93e49a in QObject::event (this=0x12eec80, e=<value optimized out>) at kernel/qobject.cpp:1226
#26 0x00007f567ac859f4 in QApplicationPrivate::notify_helper (this=0x1189040, receiver=0x12eec80, e=0x132e940) at kernel/qapplication.cpp:4462
#27 0x00007f567ac8a3ba in QApplication::notify (this=<value optimized out>, receiver=0x12eec80, e=0x132e940) at kernel/qapplication.cpp:4341
#28 0x00007f567bc60796 in KApplication::notify (this=0x7fffe3ccf370, receiver=0x12eec80, event=0x132e940) at ../../kdeui/kernel/kapplication.cpp:311
#29 0x00007f567c92a49c in QCoreApplication::notifyInternal (this=0x7fffe3ccf370, receiver=0x12eec80, event=0x132e940) at kernel/qcoreapplication.cpp:731
#30 0x00007f567c92dc25 in sendEvent (receiver=0x0, event_type=0, data=0x11458a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#31 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x11458a0) at kernel/qcoreapplication.cpp:1372
#32 0x00007f567c955253 in sendPostedEvents (s=0x118b290) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#33 postEventSourceDispatch (s=0x118b290) at kernel/qeventdispatcher_glib.cpp:277
#34 0x00007f567973ebcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f567973f3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f567973f639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f567c9553ef in QEventDispatcherGlib::processEvents (this=0x11454a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007f567ad2f4de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f567c929882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f567c929abc in QEventLoop::exec (this=0x7fffe3ccf180, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007f567c92decb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#42 0x0000000000403e0e in main (argc=2, argv=<value optimized out>) at ../../../nepomuk/servicestub/main.cpp:167

This bug may be a duplicate of or related to bug 279250.

Possible duplicates by query: bug 280336, bug 280275, bug 280262, bug 280254, bug 280252.

Reported using DrKonqi