Bug 275747

Application: nepomukservicestub (0.2)
KDE Platform Version: 4.6.4 (4.6.4)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-10-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:

Started the system.  I open Dolphin and get the crash.  Usually only happens once after starting or rebooting the system.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Nepomuk Service Stub (nepomukservicestub), signal: Aborted
__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 0x7f5ced721780 (LWP 3421))]

Thread 3 (Thread 0x7f5cdc79b700 (LWP 13350)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f5cead8d80f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f5cead8b8d8 in __libc_free (mem=0x7f5ceb09e1c0) at malloc.c:3736
#3  0x00007f5ced1c9bbf in ~QByteArray (this=0xf55dd0, parseOptions=QUrlPrivate::ParseAndSet) at ../../include/QtCore/../../src/corelib/tools/qbytearray.h:383
#4  QUrlPrivate::parse (this=0xf55dd0, parseOptions=QUrlPrivate::ParseAndSet) at io/qurl.cpp:3836
#5  0x00007f5ced1d401e in QUrlPrivate::toEncoded (this=0xf55dd0, options=...) at io/qurl.cpp:3900
#6  0x00007f5ced1d480d in QUrl::toEncoded (this=<value optimized out>, options=<value optimized out>) at io/qurl.cpp:5692
#7  0x00007f5ce7c227eb in ?? () from /usr/lib/libsoprano.so.4
#8  0x00007f5ce7c1fac4 in ?? () from /usr/lib/libsoprano.so.4
#9  0x00007f5ce7c214ee in ?? () from /usr/lib/libsoprano.so.4
#10 0x00007f5ce7c21efe in Soprano::LiteralValue::typeFromDataTypeUri(QUrl const&) () from /usr/lib/libsoprano.so.4
#11 0x00007f5ce7c21feb in Soprano::LiteralValue::fromString(QString const&, QUrl const&) () from /usr/lib/libsoprano.so.4
#12 0x00007f5ce7989ac7 in ?? () from /usr/lib/libsopranoclient.so.1
#13 0x00007f5ce7989d77 in ?? () from /usr/lib/libsopranoclient.so.1
#14 0x00007f5ce798a05d in ?? () from /usr/lib/libsopranoclient.so.1
#15 0x00007f5ce798d122 in ?? () from /usr/lib/libsopranoclient.so.1
#16 0x00007f5ce7991356 in ?? () from /usr/lib/libsopranoclient.so.1
#17 0x00007f5ce7990d2a in ?? () from /usr/lib/libsopranoclient.so.1
#18 0x00007f5ce7c0b737 in Soprano::QueryResultIterator::binding(QString const&) const () from /usr/lib/libsoprano.so.4
#19 0x00007f5cec0afac7 in Nepomuk::Types::EntityPrivate::load (this=0xd15fd0) at ../../nepomuk/types/entity.cpp:78
#20 0x00007f5cec0ae9b1 in Nepomuk::Types::EntityPrivate::init (this=0xd15fd0) at ../../nepomuk/types/entity.cpp:51
#21 0x00007f5cec0b6127 in Nepomuk::Types::Property::maxCardinality (this=<value optimized out>) at ../../nepomuk/types/property.cpp:384
#22 0x00007f5ce39a37b0 in uniqueVarName (this=0x7f5cd4000db0, qbd=0x7f5cdc79a340) at ../../../nepomuk/query/querybuilderdata_p.h:121
#23 Nepomuk::Query::ComparisonTermPrivate::getMainVariableName (this=0x7f5cd4000db0, qbd=0x7f5cdc79a340) at ../../../nepomuk/query/comparisonterm.cpp:361
#24 0x00007f5ce39a3f3d in Nepomuk::Query::ComparisonTermPrivate::toSparqlGraphPattern (this=0x7f5cd4000db0, resourceVarName=..., qbd=0x7f5cdc79a340) at ../../../nepomuk/query/comparisonterm.cpp:142
#25 0x00007f5ce39a1eb6 in Nepomuk::Query::AndTermPrivate::toSparqlGraphPattern (this=<value optimized out>, resourceVarName=..., qbd=0x7f5cdc79a340) at ../../../nepomuk/query/andterm.cpp:34
#26 0x00007f5ce39ac748 in Nepomuk::Query::Query::toSparqlQuery (this=0xd3f248, sparqlFlags=...) at ../../../nepomuk/query/query.cpp:466
#27 0x00007f5cdcfe03db in Nepomuk::Query::Folder::sparqlQuery (this=<value optimized out>) at ../../../../nepomuk/services/queryservice/folder.cpp:122
#28 0x00007f5cdcfe3397 in Nepomuk::Query::SearchRunnable::run (this=0xf051c0) at ../../../../nepomuk/services/queryservice/searchrunnable.cpp:81
#29 0x00007f5ced121188 in QThreadPoolThread::run (this=0xf00a70) at concurrent/qthreadpool.cpp:106
#30 0x00007f5ced12c175 in QThreadPrivate::start (arg=0xf00a70) at thread/qthread_unix.cpp:320
#31 0x00007f5ceaaf7d8c in start_thread (arg=0x7f5cdc79b700) at pthread_create.c:304
#32 0x00007f5ceadf504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#33 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5cdbf9a700 (LWP 13351)):
[KCrash Handler]
#6  0x00007f5cead42d05 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f5cead46ab6 in abort () at abort.c:92
#8  0x00007f5cead7bd7b in __libc_message (do_abort=2, fmt=0x7f5ceae64400 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007f5cead87a8f in malloc_printerr (av=<value optimized out>, p=0xde40f0) at malloc.c:6283
#10 _int_free (av=<value optimized out>, p=0xde40f0) at malloc.c:4795
#11 0x00007f5cead8b8e3 in __libc_free (mem=<value optimized out>) at malloc.c:3738
#12 0x00007f5ced1710fc in QString::free (d=0xde4100) at tools/qstring.cpp:1185
#13 0x00007f5ced171672 in QString::operator= (this=<value optimized out>, other=...) at tools/qstring.cpp:1359
#14 0x00007f5ced1c99cf in QUrlPrivate::parse (this=0xf55dd0, parseOptions=QUrlPrivate::ParseAndSet) at io/qurl.cpp:3831
#15 0x00007f5ced1d401e in QUrlPrivate::toEncoded (this=0xf55dd0, options=...) at io/qurl.cpp:3900
#16 0x00007f5ced1d480d in QUrl::toEncoded (this=<value optimized out>, options=<value optimized out>) at io/qurl.cpp:5692
#17 0x00007f5ce7c227eb in ?? () from /usr/lib/libsoprano.so.4
#18 0x00007f5ce7c1fac4 in ?? () from /usr/lib/libsoprano.so.4
#19 0x00007f5ce7c214ee in ?? () from /usr/lib/libsoprano.so.4
#20 0x00007f5ce7c21efe in Soprano::LiteralValue::typeFromDataTypeUri(QUrl const&) () from /usr/lib/libsoprano.so.4
#21 0x00007f5ce7c21feb in Soprano::LiteralValue::fromString(QString const&, QUrl const&) () from /usr/lib/libsoprano.so.4
#22 0x00007f5ce7989ac7 in ?? () from /usr/lib/libsopranoclient.so.1
#23 0x00007f5ce7989d77 in ?? () from /usr/lib/libsopranoclient.so.1
#24 0x00007f5ce798a05d in ?? () from /usr/lib/libsopranoclient.so.1
#25 0x00007f5ce798d122 in ?? () from /usr/lib/libsopranoclient.so.1
#26 0x00007f5ce7991356 in ?? () from /usr/lib/libsopranoclient.so.1
#27 0x00007f5ce7990d2a in ?? () from /usr/lib/libsopranoclient.so.1
#28 0x00007f5ce7c0b737 in Soprano::QueryResultIterator::binding(QString const&) const () from /usr/lib/libsoprano.so.4
#29 0x00007f5cec0afac7 in Nepomuk::Types::EntityPrivate::load (this=0xf00630) at ../../nepomuk/types/entity.cpp:78
#30 0x00007f5cec0ae9b1 in Nepomuk::Types::EntityPrivate::init (this=0xf00630) at ../../nepomuk/types/entity.cpp:51
#31 0x00007f5cec0b6127 in Nepomuk::Types::Property::maxCardinality (this=<value optimized out>) at ../../nepomuk/types/property.cpp:384
#32 0x00007f5ce39a37b0 in uniqueVarName (this=0xdec9b0, qbd=0x7f5cdbf99340) at ../../../nepomuk/query/querybuilderdata_p.h:121
#33 Nepomuk::Query::ComparisonTermPrivate::getMainVariableName (this=0xdec9b0, qbd=0x7f5cdbf99340) at ../../../nepomuk/query/comparisonterm.cpp:361
#34 0x00007f5ce39a3f3d in Nepomuk::Query::ComparisonTermPrivate::toSparqlGraphPattern (this=0xdec9b0, resourceVarName=..., qbd=0x7f5cdbf99340) at ../../../nepomuk/query/comparisonterm.cpp:142
#35 0x00007f5ce39a1eb6 in Nepomuk::Query::AndTermPrivate::toSparqlGraphPattern (this=<value optimized out>, resourceVarName=..., qbd=0x7f5cdbf99340) at ../../../nepomuk/query/andterm.cpp:34
#36 0x00007f5ce39ac748 in Nepomuk::Query::Query::toSparqlQuery (this=0xefff38, sparqlFlags=...) at ../../../nepomuk/query/query.cpp:466
#37 0x00007f5cdcfe03db in Nepomuk::Query::Folder::sparqlQuery (this=<value optimized out>) at ../../../../nepomuk/services/queryservice/folder.cpp:122
#38 0x00007f5cdcfe3397 in Nepomuk::Query::SearchRunnable::run (this=0xdfcbe0) at ../../../../nepomuk/services/queryservice/searchrunnable.cpp:81
#39 0x00007f5ced121188 in QThreadPoolThread::run (this=0xe3a6a0) at concurrent/qthreadpool.cpp:106
#40 0x00007f5ced12c175 in QThreadPrivate::start (arg=0xe3a6a0) at thread/qthread_unix.cpp:320
#41 0x00007f5ceaaf7d8c in start_thread (arg=0x7f5cdbf9a700) at pthread_create.c:304
#42 0x00007f5ceadf504d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#43 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5ced721780 (LWP 3421)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f5cead8d80f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f5cead8b8d8 in __libc_free (mem=0x7f5ceb09e1c0) at malloc.c:3736
#3  0x00007f5ced147f78 in QHashData::free_helper (this=0xe2c1a0, node_delete=0x7f5cece69cf0 <QHash<QString, QDBusSlotCache::Data>::deleteNode2(QHashData::Node*)>) at tools/qhash.cpp:272
#4  0x00007f5cece695ff in freeData (t=0xe07dd0) at ../../include/QtCore/../../src/corelib/tools/qhash.h:568
#5  ~QHash (t=0xe07dd0) at ../../include/QtCore/../../src/corelib/tools/qhash.h:284
#6  ~QMultiHash (t=0xe07dd0) at ../../include/QtCore/../../src/corelib/tools/qhash.h:923
#7  ~QDBusSlotCache (t=0xe07dd0) at qdbusintegrator_p.h:82
#8  qMetaTypeDeleteHelper<QDBusSlotCache> (t=0xe07dd0) at ../../include/QtCore/../../src/corelib/kernel/qmetatype.h:134
#9  0x00007f5ced232ba2 in clear (d=0xeded50) at kernel/qvariant.cpp:286
#10 0x00007f5ced230cbf in QVariant::clear (this=0xeded50) at kernel/qvariant.cpp:1862
#11 0x00007f5ced232293 in QVariant::operator= (this=0xeded50, variant=...) at kernel/qvariant.cpp:1803
#12 0x00007f5ced22aa8f in QObject::setProperty (this=0xde1b20, name=0x7f5cece9ec20 "_qdbus_slotCache", value=...) at kernel/qobject.cpp:3428
#13 0x00007f5cece62af4 in QDBusConnectionPrivate::activateCall (this=0xd4c370, object=0xde1b20, flags=273, msg=...) at qdbusintegrator.cpp:842
#14 0x00007f5cece6333a in QDBusConnectionPrivate::activateObject (this=0xd4c370, node=..., msg=..., pathStartPos=<value optimized out>) at qdbusintegrator.cpp:1410
#15 0x00007f5cece63578 in QDBusActivateObjectEvent::placeMetaCall (this=0x7f5cd4004480) at qdbusintegrator.cpp:1524
#16 0x00007f5ced22749a in QObject::event (this=0xece160, e=<value optimized out>) at kernel/qobject.cpp:1226
#17 0x00007f5ceb5629e4 in QApplicationPrivate::notify_helper (this=0xcb05e0, receiver=0xece160, e=0x7f5cd4004480) at kernel/qapplication.cpp:4462
#18 0x00007f5ceb5673aa in QApplication::notify (this=<value optimized out>, receiver=0xece160, e=0x7f5cd4004480) at kernel/qapplication.cpp:4341
#19 0x00007f5cec551716 in KApplication::notify (this=0x7fffdb248c20, receiver=0xece160, event=0x7f5cd4004480) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f5ced21349c in QCoreApplication::notifyInternal (this=0x7fffdb248c20, receiver=0xece160, event=0x7f5cd4004480) at kernel/qcoreapplication.cpp:731
#21 0x00007f5ced216c25 in sendEvent (receiver=0x0, event_type=0, data=0xc6b8a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xc6b8a0) at kernel/qcoreapplication.cpp:1372
#23 0x00007f5ced23e253 in sendPostedEvents (s=0xcb45c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#24 postEventSourceDispatch (s=0xcb45c0) at kernel/qeventdispatcher_glib.cpp:277
#25 0x00007f5cea01bbcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f5cea01c3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f5cea01c639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f5ced23e3ef in QEventDispatcherGlib::processEvents (this=0xc6b4a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#29 0x00007f5ceb609dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007f5ced212882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007f5ced212abc in QEventLoop::exec (this=0x7fffdb248a30, flags=...) at kernel/qeventloop.cpp:201
#32 0x00007f5ced216ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#33 0x0000000000403c3f in main (argc=2, argv=<value optimized out>) at ../../../nepomuk/servicestub/main.cpp:165

This bug may be a duplicate of or related to bug 275675.

Possible duplicates by query: bug 275675, bug 275504, bug 275384, bug 275251, bug 274075.

Reported using DrKonqi