Bug 294718

Application: kactivitymanagerd (1.0)
KDE Platform Version: 4.8.00 (4.8.0
Qt Version: 4.7.4
Operating System: Linux 3.0.0-16-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: Nothing special crash happened upon start up. It happened sometimes.

The crash can be reproduced some of the time.

-- Backtrace:
Application: KDE Activity Manager (kactivitymanagerd), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7711710 (LWP 1630))]

Thread 2 (Thread 0xb68abb70 (LWP 1693)):
[KCrash Handler]
#7  0x00f3a70a in fetchAndAddOrdered (valueToAdd=1, this=0x6e006d) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:163
#8  fetchAndAddAcquire (valueToAdd=1, this=0x6e006d) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:296
#9  QMutex::lock (this=0x84decae) at thread/qmutex.cpp:196
#10 0x020340e7 in Soprano::Error::ErrorCache::clearError() const () from /usr/lib/libsoprano.so.4
#11 0x02034718 in Soprano::Error::ErrorCache::setError(Soprano::Error::Error const&) const () from /usr/lib/libsoprano.so.4
#12 0x064da0d6 in Soprano::Client::DBusModel::executeQuery(QString const&, Soprano::Query::QueryLanguage, QString const&) const () from /usr/lib/libsopranoclient.so.1
#13 0x00427a91 in Nepomuk::MainModel::executeQuery (this=0x85f6f80, query=..., language=Soprano::Query::QueryLanguageSparql, userQueryLanguage=...) at ../../nepomuk/core/nepomukmainmodel.cpp:212
#14 0x02045703 in Soprano::FilterModel::executeQuery(QString const&, Soprano::Query::QueryLanguage, QString const&) const () from /usr/lib/libsoprano.so.4
#15 0x03d923bc in ?? () from /usr/lib/kde4/activitymanager_plugin_nepomuk.so
#16 0x03d99a62 in ?? () from /usr/lib/kde4/activitymanager_plugin_nepomuk.so
#17 0x00f3f7b3 in QThreadPrivate::start (arg=0x8653350) at thread/qthread_unix.cpp:331
#18 0x005cad31 in start_thread (arg=0xb68abb70) at pthread_create.c:304
#19 0x00bcf0ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb7711710 (LWP 1630)):
#0  0x00d67c3f in ?? () from /lib/ld-linux.so.2
#1  0x00d6dc30 in ?? () from /lib/ld-linux.so.2
#2  0x0760fce4 in ?? () from /usr/lib/i386-linux-gnu/libdbusmenu-qt.so.2
#3  0x0762f9bd in _fini () from /usr/lib/i386-linux-gnu/libdbusmenu-qt.so.2
#4  0x00d78ff4 in ?? () from /lib/ld-linux.so.2
#5  0x00b2f981 in __run_exit_handlers (status=1, listp=0xc75324, run_list_atexit=true) at exit.c:78
#6  0x00b2fa0d in __GI_exit (status=1) at exit.c:100
#7  0x06754e68 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:781
#8  0x008a90d9 in KApplication::xioErrhandler (this=0xbffdbd20, dpy=0x84f7e98) at ../../kdeui/kernel/kapplication.cpp:419
#9  0x008a9114 in kde_xio_errhandler (dpy=0x84f7e98) at ../../kdeui/kernel/kapplication.cpp:126
#10 0x02cdfe14 in _XIOError () from /usr/lib/i386-linux-gnu/libX11.so.6
#11 0x02cdd49f in _XEventsQueued () from /usr/lib/i386-linux-gnu/libX11.so.6
#12 0x02ccdc88 in XEventsQueued () from /usr/lib/i386-linux-gnu/libX11.so.6
#13 0x06794cc3 in x11EventSourcePrepare (s=0x84f2800, timeout=0xbffdbaac) at kernel/qguieventdispatcher_glib.cpp:77
#14 0x030e688c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#15 0x030e7637 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#16 0x030e7c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#17 0x01068ada in QEventDispatcherGlib::processEvents (this=0x84cb9d8, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#18 0x06794e7a in QGuiEventDispatcherGlib::processEvents (this=0x84cb9d8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#19 0x010391dd in QEventLoop::processEvents (this=0xbffdbc84, flags=...) at kernel/qeventloop.cpp:149
#20 0x01039421 in QEventLoop::exec (this=0xbffdbc84, flags=...) at kernel/qeventloop.cpp:201
#21 0x0103e19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#22 0x066da924 in QApplication::exec () at kernel/qapplication.cpp:3760
#23 0x0804c5d7 in ?? ()
#24 0x00b16113 in __libc_start_main (main=0x804c420, argc=1, ubp_av=0xbffdbe24, init=0x805e670 <__libc_csu_init>, fini=0x805e6e0 <__libc_csu_fini>, rtld_fini=0xd68bc0, stack_end=0xbffdbe1c) at libc-start.c:226
#25 0x0804c61d in _start ()

Possible duplicates by query: bug 292640, bug 292436, bug 276844.

Reported using DrKonqi