Application: systemsettings (1.0)
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:
Steps to reproduce the bug:
- Open System Setting and go to "Software Management"
- select some application to install
- click on "Apply"
- when the download has started, click on "Cancel"

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77c0710 (LWP 10612))]

Thread 2 (Thread 0xb4644b70 (LWP 10613)):
#0  0x00ae7d41 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x0060ddd8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x006da4f2 in updateCurrentTime (this=0x9a54ac4, tm=...) at kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0x9a54ac4, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x006d8d32 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xb46440dc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x006d8dcd in timerSourcePrepare (source=0x9a54a90, timeout=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x00b41fd4 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x00b42e63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x00b43524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x006d9577 in QEventDispatcherGlib::processEvents (this=0x9a54790, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x006ab289 in QEventLoop::processEvents (this=0xb4644290, flags=...) at kernel/qeventloop.cpp:149
#12 0x006ab522 in QEventLoop::exec (this=0xb4644290, flags=...) at kernel/qeventloop.cpp:201
#13 0x005b52a0 in QThread::exec (this=0x988ef10) at thread/qthread.cpp:492
#14 0x0068cfdb in QInotifyFileSystemWatcherEngine::run (this=0x988ef10) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x005b7da2 in QThreadPrivate::start (arg=0x988ef10) at thread/qthread_unix.cpp:320
#16 0x009e6e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x06a4e73e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb77c0710 (LWP 10612)):
[KCrash Handler]
#7  QCoreApplication::postEvent (receiver=0x9d2cab8, event=0x9cb6fa0, priority=0) at kernel/qcoreapplication.cpp:1132
#8  0x006af4cc in QCoreApplication::postEvent (receiver=0x9d2cab8, event=0x9cb6fa0) at kernel/qcoreapplication.cpp:1093
#9  0x006be2a4 in QObject::deleteLater (this=0x9d2cab8) at kernel/qobject.cpp:2138
#10 0x01fd6a6c in KpkReviewChanges::~KpkReviewChanges() () from /usr/lib/libkpackagekitlib.so
#11 0x01fd6ba2 in KpkReviewChanges::~KpkReviewChanges() () from /usr/lib/libkpackagekitlib.so
#12 0x006bebc5 in qDeleteInEventHandler (o=0x9f61560) at kernel/qobject.cpp:3995
#13 0x006c13e8 in QObject::event (this=0x9f61560, e=0x9b68cf0) at kernel/qobject.cpp:1209
#14 0x01148b62 in QWidget::event (this=0x9f61560, event=0x9b68cf0) at kernel/qwidget.cpp:8718
#15 0x010f0d24 in QApplicationPrivate::notify_helper (this=0x9692e30, receiver=0x9f61560, e=0x9b68cf0) at kernel/qapplication.cpp:4462
#16 0x010f597b in QApplication::notify (this=0xbfd1fc5c, receiver=0x9f61560, e=0x9b68cf0) at kernel/qapplication.cpp:4427
#17 0x00dfa3ca in KApplication::notify (this=0xbfd1fc5c, receiver=0x9f61560, event=0x9b68cf0) at ../../kdeui/kernel/kapplication.cpp:311
#18 0x006ac0bb in QCoreApplication::notifyInternal (this=0xbfd1fc5c, receiver=0x9f61560, event=0x9b68cf0) at kernel/qcoreapplication.cpp:731
#19 0x006afc79 in sendEvent (receiver=0x0, event_type=0, data=0x96586d8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x96586d8) at kernel/qcoreapplication.cpp:1372
#21 0x006afe0d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1265
#22 0x006d93c4 in sendPostedEvents (s=0x9695100) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#23 postEventSourceDispatch (s=0x9695100) at kernel/qeventdispatcher_glib.cpp:277
#24 0x00b42aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0x00b43270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x00b43524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x006d953c in QEventDispatcherGlib::processEvents (this=0x9658440, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#28 0x011a4775 in QGuiEventDispatcherGlib::processEvents (this=0x9658440, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x006ab289 in QEventLoop::processEvents (this=0xbfd1fbb4, flags=...) at kernel/qeventloop.cpp:149
#30 0x006ab522 in QEventLoop::exec (this=0xbfd1fbb4, flags=...) at kernel/qeventloop.cpp:201
#31 0x006afecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#32 0x010ee8e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#33 0x080570de in main (argc=2689996, argv=0xb77cbab0) at ../../../systemsettings/app/main.cpp:49

Reported using DrKonqi