Application: systemsettings (1.0)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:  I had just deleted a printer.  I had another to delete, and that produced the same behavior.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fee7a081780 (LWP 24533))]

Thread 2 (Thread 0x7fee63e61700 (LWP 24535)):
#0  0x00007fee752f1034 in __pthread_mutex_lock (mutex=0xd55df8) at pthread_mutex_lock.c:61
#1  0x00007fee74e1c361 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fee74e1ce6a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fee74e1d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fee77cc6f3e in QEventDispatcherGlib::processEvents (this=0xab7280, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fee77c9acf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fee77c9aef7 in QEventLoop::exec (this=0x7fee63e60dd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fee77bb227f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007fee77c7dcbf in QInotifyFileSystemWatcherEngine::run (this=0xd534d0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fee77bb4d05 in QThreadPrivate::start (arg=0xd534d0) at thread/qthread_unix.cpp:331
#10 0x00007fee752eeefc in start_thread (arg=0x7fee63e61700) at pthread_create.c:304
#11 0x00007fee7756a89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fee7a081780 (LWP 24533)):
[KCrash Handler]
#6  0x00007fee60a7f0f5 in QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#7  0x00007fee77bd0637 in QHashData::detach_helper2 (this=0x3b76cc0, node_duplicate=0x7fee60a7f0f0 <QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*)>, node_delete=0x7fee60a7f0e0 <QHash<void*, PyQtProxy*>::deleteNode2(QHashData::Node*)>, nodeSize=<optimized out>, nodeAlign=8) at tools/qhash.cpp:235
#8  0x00007fee60a83ca7 in sipQtFindSipslot () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#9  0x00007fee606f671e in sipWrapper_traverse (arg=0x0, visit=0x7fee6187b620 <visit_decref>, self=0x3acb170) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9648
#10 sipWrapper_traverse (self=0x3acb170, visit=0x7fee6187b620 <visit_decref>, arg=0x0) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9629
#11 0x00007fee6187b8c7 in subtract_refs (containers=0x7fee61bfbc80) at ../Modules/gcmodule.c:345
#12 collect (generation=2) at ../Modules/gcmodule.c:874
#13 0x00007fee6187c5e4 in PyGC_Collect () at ../Modules/gcmodule.c:1386
#14 0x00007fee61868aa6 in Py_Finalize () at ../Python/pythonrun.c:437
#15 Py_Finalize () at ../Python/pythonrun.c:393
#16 0x00007fee61c489e5 in KPythonPluginFactory::~KPythonPluginFactory (this=0x34d18a0, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:262
#17 0x00007fee61c48a49 in KPythonPluginFactory::~KPythonPluginFactory (this=0x34d18a0, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:268
#18 0x00007fee77cb4926 in QObjectCleanupHandler::clear (this=0xb85e80) at kernel/qobjectcleanuphandler.cpp:140
#19 0x00007fee77cb496b in QObjectCleanupHandler::~QObjectCleanupHandler (this=0xb85e80, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:86
#20 0x00007fee77cb49b9 in QObjectCleanupHandler::~QObjectCleanupHandler (this=0xb85e80, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:87
#21 0x00007fee774c4821 in __run_exit_handlers (status=1, listp=0x7fee778215a8, run_list_atexit=true) at exit.c:78
#22 0x00007fee774c48a5 in __GI_exit (status=<optimized out>) at exit.c:100
#23 0x00007fee566aab9e in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#24 0x00007fee768c306f in _XError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#25 0x00007fee768bfe21 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#26 0x00007fee768c0d77 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#27 0x00007fee768a534b in XGetWindowProperty () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#28 0x00007fee7976b71b in NETWinInfo::update (this=0x7fff62e27d70, dirty_props=<optimized out>) at ../../kdeui/windowmanagement/netwm.cpp:3962
#29 0x00007fee7976cee6 in NETWinInfo::event (this=0x7fff62e27d70, event=0x7fff62e27e20, properties=0x7fff62e27d40, properties_size=2) at ../../kdeui/windowmanagement/netwm.cpp:3925
#30 0x00007fee79761fc8 in KWindowSystemPrivate::x11Event (this=0x2549c10, ev=0x7fff62e27e20) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:198
#31 0x00007fee796520a6 in publicX11Event (e=0x7fff62e27e20, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#32 KSystemEventFilterPrivate::filterEvent (this=0x253b050, message=0x7fff62e27e20) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#33 0x00007fee789bd388 in x11EventSourceDispatch (s=0x863d00, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#34 0x00007fee74e1ca5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fee74e1d258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fee74e1d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fee77cc6ed6 in QEventDispatcherGlib::processEvents (this=0x82da10, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007fee789bd07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007fee77c9acf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007fee77c9aef7 in QEventLoop::exec (this=0x7fff62e281f0, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007fee77c9f789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#42 0x000000000040a7c5 in main (argc=1, argv=0x7fff62e28528) at ../../../systemsettings/app/main.cpp:49

This bug may be a duplicate of or related to bug 288048.

Possible duplicates by query: bug 288048, bug 288026, bug 287888, bug 287819, bug 287806.

Reported using DrKonqi