Application: kcmshell4 ()
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-19-generic x86_64
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
while i'm updating updates, i had kpackagekit crash

The crash can be reproduced some of the time.

 -- Backtrace:
Application: Modulo di controllo di KDE (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fe44af8c760 (LWP 2325))]

Thread 2 (Thread 0x7fe4397a0710 (LWP 2410)):
#0  0x00007fe4491dc3ff in __pthread_mutex_lock (mutex=0x1e7c7c8) at pthread_mutex_lock.c:62
#1  0x00007fe444945ee3 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#2  0x00007fe444946318 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007fe4449468fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007fe449587566 in QEventDispatcherGlib::processEvents (this=0x1b07ac0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#5  0x00007fe44955c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007fe44955cd6c in QEventLoop::exec (this=0x7fe43979fdb0, flags=) at kernel/qeventloop.cpp:201
#7  0x00007fe449466d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#8  0x00007fe44953d178 in QInotifyFileSystemWatcherEngine::run (this=0x1e6b960) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fe449469775 in QThreadPrivate::start (arg=0x1e6b960) at thread/qthread_unix.cpp:248
#10 0x00007fe4491d99ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#11 0x00007fe447f8c6dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe44af8c760 (LWP 2325)):
[KCrash Handler]
#5  0x00007fe43a32a734 in PackageKit::Transaction::percentage() const () from /usr/lib/libpackagekit-qt.so.12
#6  0x00007fe439eb1262 in KpkTransactionBar::updateUi() () from /usr/lib/libkpackagekitlib.so
#7  0x00007fe439e9d33c in KpkTransactionBar::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkpackagekitlib.so
#8  0x00007fe449570e3f in QMetaObject::activate (sender=0x1d46450, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff7395e850) at kernel/qobject.cpp:3293
#9  0x00007fe43a32be7a in PackageKit::Transaction::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libpackagekit-qt.so.12
#10 0x00007fe449570e3f in QMetaObject::activate (sender=0x1cc3580, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff7395e850) at kernel/qobject.cpp:3293
#11 0x00007fe43a3337e4 in PackageKit::TransactionProxy::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libpackagekit-qt.so.12
#12 0x00007fe447923486 in QDBusConnectionPrivate::deliverCall (this=<value optimized out>, object=<value optimized out>, msg=<value optimized out>, metaTypes=..., slotIdx=<value optimized out>)
    at qdbusintegrator.cpp:904
#13 0x00007fe44792e05f in QDBusCallDeliveryEvent::placeMetaCall(QObject*) () from /usr/lib/libQtDBus.so.4
#14 0x00007fe44956dd49 in QObject::event (this=0x1cc3580, e=0x2049f00) at kernel/qobject.cpp:1248
#15 0x00007fe4486fa22c in QApplicationPrivate::notify_helper (this=0x19f7df0, receiver=0x1cc3580, e=0x2049f00) at kernel/qapplication.cpp:4300
#16 0x00007fe4487006fb in QApplication::notify (this=0x7fff73960500, receiver=0x1cc3580, e=0x2049f00) at kernel/qapplication.cpp:4183
#17 0x00007fe449aa5526 in KApplication::notify (this=0x7fff73960500, receiver=0x1cc3580, event=0x2049f00) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x00007fe44955e06c in QCoreApplication::notifyInternal (this=0x7fff73960500, receiver=0x1cc3580, event=0x2049f00) at kernel/qcoreapplication.cpp:704
#19 0x00007fe4495607e7 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1980c30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1980c30) at kernel/qcoreapplication.cpp:1345
#21 0x00007fe4495879d3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#22 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#23 0x00007fe4449428c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#24 0x00007fe444946748 in ?? () from /lib/libglib-2.0.so.0
#25 0x00007fe4449468fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#26 0x00007fe449587513 in QEventDispatcherGlib::processEvents (this=0x1982140, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#27 0x00007fe4487aa31e in QGuiEventDispatcherGlib::processEvents (this=0x7fff7395e720, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x00007fe44955c992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#29 0x00007fe44955cd6c in QEventLoop::exec (this=0x7fff739603e0, flags=) at kernel/qeventloop.cpp:201
#30 0x00007fe448bc3f4e in QDialog::exec (this=0x1ae9100) at dialogs/qdialog.cpp:546
#31 0x00007fe43cdc7910 in kdemain (_argc=<value optimized out>, _argv=<value optimized out>) at ../../kcmshell/main.cpp:272
#32 0x00000000004070f3 in launch (argc=2, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=16, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4f9 "0") at ../../kinit/kinit.cpp:717
#33 0x0000000000407cb0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#34 0x000000000040823a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#35 0x0000000000408e22 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1845

Reported using DrKonqi