Bug 273673

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 x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
i plugged in my mp3 player via a usb cable and wanted to open dolphin.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Nepomuk-Dienst (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 0x7f115f7ba780 (LWP 1844))]

Thread 3 (Thread 0x7f114e6ed700 (LWP 6844)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f115ce2380f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f115ce218d8 in __libc_free (mem=0x7f1148000020) at malloc.c:3736
#3  0x00007f115f2060fc in QString::free (d=0x7f1148002b80) at tools/qstring.cpp:1185
#4  0x00007f115f206672 in QString::operator= (this=<value optimized out>, other=...) at tools/qstring.cpp:1359
#5  0x00007f115f25e9cf in QUrlPrivate::parse (this=0xc08ac0, parseOptions=QUrlPrivate::ParseAndSet) at io/qurl.cpp:3831
#6  0x00007f115f26a24b in QUrl::operator== (this=0x7f114e6eb890, url=...) at io/qurl.cpp:5958
#7  0x00007f115e14c913 in Nepomuk::Types::PropertyPrivate::addProperty (this=0xb54d80, property=..., value=...) at ../../nepomuk/types/property.cpp:81
#8  0x00007f115e145f51 in Nepomuk::Types::EntityPrivate::load (this=0xb54d80) at ../../nepomuk/types/entity.cpp:108
#9  0x00007f115e144961 in Nepomuk::Types::EntityPrivate::init (this=0xb54d80) at ../../nepomuk/types/entity.cpp:51
#10 0x00007f115e14c0d7 in Nepomuk::Types::Property::maxCardinality (this=<value optimized out>) at ../../nepomuk/types/property.cpp:384
#11 0x00007f11558d6700 in uniqueVarName (this=0xb6f1f0, qbd=0x7f114e6ec310) at ../../../nepomuk/query/querybuilderdata_p.h:121
#12 Nepomuk::Query::ComparisonTermPrivate::getMainVariableName (this=0xb6f1f0, qbd=0x7f114e6ec310) at ../../../nepomuk/query/comparisonterm.cpp:357
#13 0x00007f11558d6e8d in Nepomuk::Query::ComparisonTermPrivate::toSparqlGraphPattern (this=0xb6f1f0, resourceVarName=..., qbd=0x7f114e6ec310) at ../../../nepomuk/query/comparisonterm.cpp:142
#14 0x00007f11558d4e36 in Nepomuk::Query::AndTermPrivate::toSparqlGraphPattern (this=<value optimized out>, resourceVarName=..., qbd=0x7f114e6ec310) at ../../../nepomuk/query/andterm.cpp:34
#15 0x00007f11558df318 in Nepomuk::Query::Query::toSparqlQuery (this=0xb011f8, sparqlFlags=...) at ../../../nepomuk/query/query.cpp:466
#16 0x00007f114ef5e3db in Nepomuk::Query::Folder::sparqlQuery (this=<value optimized out>) at ../../../../nepomuk/services/queryservice/folder.cpp:122
#17 0x00007f114ef61157 in Nepomuk::Query::SearchRunnable::run (this=0xb6f330) at ../../../../nepomuk/services/queryservice/searchrunnable.cpp:81
#18 0x00007f115f1b6188 in QThreadPoolThread::run (this=0xbea770) at concurrent/qthreadpool.cpp:106
#19 0x00007f115f1c1175 in QThreadPrivate::start (arg=0xbea770) at thread/qthread_unix.cpp:320
#20 0x00007f115cb8dd8c in start_thread (arg=0x7f114e6ed700) at pthread_create.c:304
#21 0x00007f115ce8b04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#22 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f114deec700 (LWP 6845)):
[KCrash Handler]
#6  0x00007f115cdd8d05 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f115cddcab6 in abort () at abort.c:92
#8  0x00007f115ce11d7b in __libc_message (do_abort=2, fmt=0x7f115cefa400 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007f115ce1bbb6 in malloc_printerr (action=3, str=0x7f115cefa980 "malloc(): memory corruption (fast)", ptr=<value optimized out>) at malloc.c:6283
#10 0x00007f115ce1ee78 in _int_malloc (av=0x7f1148000020, bytes=<value optimized out>) at malloc.c:4308
#11 0x00007f115ce2131e in __libc_malloc (bytes=80) at malloc.c:3660
#12 0x00007f115f203415 in QString::QString (this=0x7f114deea460, size=24) at tools/qstring.cpp:1099
#13 0x00007f115f2dc078 in QUtf8::convertToUnicode (chars=<value optimized out>, len=23, state=0x0) at codecs/qutfcodec.cpp:183
#14 0x00007f115f20504b in QString::fromUtf8 (str=<value optimized out>, size=<value optimized out>) at tools/qstring.cpp:3940
#15 0x00007f115f25d0a3 in fromPercentEncodingMutable (ba=0x7f114deea470) at io/qurl.cpp:229
#16 0x00007f115f25ea3a in QUrlPrivate::parse (this=0xc08ac0, parseOptions=QUrlPrivate::ParseAndSet) at io/qurl.cpp:3837
#17 0x00007f115f26a24b in QUrl::operator== (this=0x7f114deea890, url=...) at io/qurl.cpp:5958
#18 0x00007f115e14c913 in Nepomuk::Types::PropertyPrivate::addProperty (this=0xb633c0, property=..., value=...) at ../../nepomuk/types/property.cpp:81
#19 0x00007f115e145f51 in Nepomuk::Types::EntityPrivate::load (this=0xb633c0) at ../../nepomuk/types/entity.cpp:108
#20 0x00007f115e144961 in Nepomuk::Types::EntityPrivate::init (this=0xb633c0) at ../../nepomuk/types/entity.cpp:51
#21 0x00007f115e14c0d7 in Nepomuk::Types::Property::maxCardinality (this=<value optimized out>) at ../../nepomuk/types/property.cpp:384
#22 0x00007f11558d6700 in uniqueVarName (this=0xc0d040, qbd=0x7f114deeb310) at ../../../nepomuk/query/querybuilderdata_p.h:121
#23 Nepomuk::Query::ComparisonTermPrivate::getMainVariableName (this=0xc0d040, qbd=0x7f114deeb310) at ../../../nepomuk/query/comparisonterm.cpp:357
#24 0x00007f11558d6e8d in Nepomuk::Query::ComparisonTermPrivate::toSparqlGraphPattern (this=0xc0d040, resourceVarName=..., qbd=0x7f114deeb310) at ../../../nepomuk/query/comparisonterm.cpp:142
#25 0x00007f11558d4e36 in Nepomuk::Query::AndTermPrivate::toSparqlGraphPattern (this=<value optimized out>, resourceVarName=..., qbd=0x7f114deeb310) at ../../../nepomuk/query/andterm.cpp:34
#26 0x00007f11558df318 in Nepomuk::Query::Query::toSparqlQuery (this=0xbb9a58, sparqlFlags=...) at ../../../nepomuk/query/query.cpp:466
#27 0x00007f114ef5e3db in Nepomuk::Query::Folder::sparqlQuery (this=<value optimized out>) at ../../../../nepomuk/services/queryservice/folder.cpp:122
#28 0x00007f114ef61157 in Nepomuk::Query::SearchRunnable::run (this=0x7f1148000980) at ../../../../nepomuk/services/queryservice/searchrunnable.cpp:81
#29 0x00007f115f1b6188 in QThreadPoolThread::run (this=0x7f1148000af0) at concurrent/qthreadpool.cpp:106
#30 0x00007f115f1c1175 in QThreadPrivate::start (arg=0x7f1148000af0) at thread/qthread_unix.cpp:320
#31 0x00007f115cb8dd8c in start_thread (arg=0x7f114deec700) at pthread_create.c:304
#32 0x00007f115ce8b04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#33 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f115f7ba780 (LWP 1844)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f115ce2380f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f115ce218d8 in __libc_free (mem=0x7f1148000020) at malloc.c:3736
#3  0x00007f115f25f8c9 in ~QByteArray (this=<value optimized out>, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qbytearray.h:383
#4  ~QUrlPrivate (this=<value optimized out>, __in_chrg=<value optimized out>) at io/qurl.cpp:294
#5  QUrl::~QUrl (this=<value optimized out>, __in_chrg=<value optimized out>) at io/qurl.cpp:4186
#6  0x00007f1159cc9801 in ?? () from /usr/lib/libsoprano.so.4
#7  0x00007f115cdde961 in __run_exit_handlers (status=1) at exit.c:78
#8  exit (status=1) at exit.c:100
#9  0x00007f115d664d48 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:781
#10 0x00007f115e5e5638 in KApplication::xioErrhandler (this=0x7fffe0868f10, dpy=0xaa33c0) at ../../kdeui/kernel/kapplication.cpp:419
#11 0x00007f115a8cfdee in _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#12 0x00007f115a8cd62d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#13 0x00007f115a8bdf1f in XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#14 0x00007f115d69fc4c in x11EventSourceCheck (s=0xa855f0) at kernel/qguieventdispatcher_glib.cpp:85
#15 0x00007f115c0b1854 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f115c0b2122 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f115c0b2639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f115f2d33ef in QEventDispatcherGlib::processEvents (this=0xa3e4a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#19 0x00007f115d69fdfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#20 0x00007f115f2a7882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#21 0x00007f115f2a7abc in QEventLoop::exec (this=0x7fffe0868d20, flags=...) at kernel/qeventloop.cpp:201
#22 0x00007f115f2abecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#23 0x0000000000403c3f in main (argc=2, argv=<value optimized out>) at ../../../nepomuk/servicestub/main.cpp:165

Possible duplicates by query: bug 273503, bug 273477, bug 272901, bug 272434, bug 272343.

Reported using DrKonqi