Bug 273504

Application: nepomukservicestub (0.2)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
I`m work at Firefox and then open Dolphin, I has Nepomuk crash.

The crash can be reproduced every time.

-- Backtrace:
Application: Заглушка службы Nepomuk (nepomukservicestub), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77fe710 (LWP 2245))]

Thread 3 (Thread 0xb5385b70 (LWP 18487)):
#0  0x00a1f416 in __kernel_vsyscall ()
#1  0x00951753 in ?? () from /lib/i386-linux-gnu/libc.so.6
#2  0x008e4bac in ?? () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0xb4b84b70 (LWP 18488)):
[KCrash Handler]
#7  0x008dfd5d in ?? () from /lib/i386-linux-gnu/libc.so.6
#8  0x008e341d in free () from /lib/i386-linux-gnu/libc.so.6
#9  0x002debbd in qFree (ptr=0x8e836a8) at global/qmalloc.cpp:60
#10 0x0032e510 in QString::free (d=0x8e836a8) at tools/qstring.cpp:1185
#11 0x003959a3 in ~QString (this=0xb4b83850) at ../../include/QtCore/../../src/corelib/tools/qstring.h:883
#12 QUrlPrivate::canonicalHost (this=0xb4b83850) at io/qurl.cpp:3418
#13 0x0039733b in QUrlPrivate::normalized (this=0x8e2f3e8) at io/qurl.cpp:3993
#14 0x00398d18 in QUrl::operator== (this=0xb4b83a94, url=...) at io/qurl.cpp:5959
#15 0x0017c44c in Nepomuk::Types::PropertyPrivate::addProperty (this=0x8e2ecb0, property=..., value=...) at ../../nepomuk/types/property.cpp:58
#16 0x00175283 in Nepomuk::Types::EntityPrivate::load (this=0x8e2ecb0) at ../../nepomuk/types/entity.cpp:108
#17 0x00173983 in Nepomuk::Types::EntityPrivate::init (this=0x8e2ecb0) at ../../nepomuk/types/entity.cpp:51
#18 0x0017be7e in Nepomuk::Types::Property::maxCardinality (this=0x8e3d2a0) at ../../nepomuk/types/property.cpp:384
#19 0x0017becd in Nepomuk::Types::Property::maxCardinality (this=0x8e3d2a0) at ../../nepomuk/types/property.cpp:400
#20 0x08383b1b in uniqueVarName (this=0x8e3d290, qbd=0xb4b83f3c) at ../../../nepomuk/query/querybuilderdata_p.h:121
#21 Nepomuk::Query::ComparisonTermPrivate::getMainVariableName (this=0x8e3d290, qbd=0xb4b83f3c) at ../../../nepomuk/query/comparisonterm.cpp:357
#22 0x08384408 in Nepomuk::Query::ComparisonTermPrivate::toSparqlGraphPattern (this=0x8e3d290, resourceVarName=..., qbd=0xb4b83f3c) at ../../../nepomuk/query/comparisonterm.cpp:142
#23 0x08382068 in Nepomuk::Query::AndTermPrivate::toSparqlGraphPattern (this=0x8e2bc00, resourceVarName=..., qbd=0xb4b83f3c) at ../../../nepomuk/query/andterm.cpp:34
#24 0x0838dd7d in Nepomuk::Query::Query::toSparqlQuery (this=0x8e39f4c, sparqlFlags=...) at ../../../nepomuk/query/query.cpp:466
#25 0x02a63140 in Nepomuk::Query::Folder::sparqlQuery (this=0x8e39f40) at ../../../../nepomuk/services/queryservice/folder.cpp:122
#26 0x02a6644f in Nepomuk::Query::SearchRunnable::run (this=0x8e2d0d0) at ../../../../nepomuk/services/queryservice/searchrunnable.cpp:81
#27 0x002d8866 in QThreadPoolThread::run (this=0x8e2d358) at concurrent/qthreadpool.cpp:106
#28 0x002e4da2 in QThreadPrivate::start (arg=0x8e2d358) at thread/qthread_unix.cpp:320
#29 0x001d0e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#30 0x0094373e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb77fe710 (LWP 2245)):
#0  0x00a1f416 in __kernel_vsyscall ()
#1  0x001d548c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x009513fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x002e3daa in QMutexPrivate::wait (this=0x8e3d028, timeout=-1) at thread/qmutex_unix.cpp:84
#4  0x002e04b2 in QMutex::lock (this=0x8e2d0dc) at thread/qmutex.cpp:204
#5  0x02a65e37 in QMutexLocker (this=0x8e2d0d0) at /usr/include/qt4/QtCore/qmutex.h:102
#6  Nepomuk::Query::SearchRunnable::cancel (this=0x8e2d0d0) at ../../../../nepomuk/services/queryservice/searchrunnable.cpp:70
#7  0x02a6429e in Nepomuk::Query::Folder::~Folder (this=0x8e39f40, __in_chrg=<value optimized out>) at ../../../../nepomuk/services/queryservice/folder.cpp:79
#8  0x02a643d2 in Nepomuk::Query::Folder::~Folder (this=0x8e39f40, __in_chrg=<value optimized out>) at ../../../../nepomuk/services/queryservice/folder.cpp:86
#9  0x003ebbc5 in qDeleteInEventHandler (o=0x8e39f40) at kernel/qobject.cpp:3995
#10 0x003ee3e8 in QObject::event (this=0x8e39f40, e=0x8e41cb8) at kernel/qobject.cpp:1209
#11 0x02f16d24 in QApplicationPrivate::notify_helper (this=0x8d8dc90, receiver=0x8e39f40, e=0x8e41cb8) at kernel/qapplication.cpp:4462
#12 0x02f1b8ce in QApplication::notify (this=0xbffd3a68, receiver=0x8e39f40, e=0x8e41cb8) at kernel/qapplication.cpp:3862
#13 0x00ec53ca in KApplication::notify (this=0xbffd3a68, receiver=0x8e39f40, event=0x8e41cb8) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x003d90bb in QCoreApplication::notifyInternal (this=0xbffd3a68, receiver=0x8e39f40, event=0x8e41cb8) at kernel/qcoreapplication.cpp:731
#15 0x003dcc79 in sendEvent (receiver=0x0, event_type=0, data=0x8d5b6f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8d5b6f0) at kernel/qcoreapplication.cpp:1372
#17 0x003dce0d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1265
#18 0x004063c4 in sendPostedEvents (s=0x8d8f4d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#19 postEventSourceDispatch (s=0x8d8f4d0) at kernel/qeventdispatcher_glib.cpp:277
#20 0x00b1baa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#21 0x00b1c270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0x00b1c524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0x0040653c in QEventDispatcherGlib::processEvents (this=0x8d5b458, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#24 0x02fca775 in QGuiEventDispatcherGlib::processEvents (this=0x8d5b458, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x003d8289 in QEventLoop::processEvents (this=0xbffd38c4, flags=...) at kernel/qeventloop.cpp:149
#26 0x003d8522 in QEventLoop::exec (this=0xbffd38c4, flags=...) at kernel/qeventloop.cpp:201
#27 0x003dcecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#28 0x02f148e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#29 0x0804b07e in main (argc=) at ../../../nepomuk/servicestub/main.cpp:165

Possible duplicates by query: bug 272825, bug 268090, bug 267614, bug 264078, bug 263914.

Reported using DrKonqi