Application: kcmshell4 ()
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: 
I pressed the first (leftish) page test button on printer configuration: reproductible.
printer= can MP560.
Worked 2 days ago on Natty Narwhal.
THe platform is a  fresh install from Live CD

The crash can be reproduced every time.

-- Backtrace:
Application: Module de Configuration de KDE (kcmshell4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f06f12e9780 (LWP 2368))]

Thread 2 (Thread 0x7f06d3011700 (LWP 2369)):
#0  0x00007f06f0c1e773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f06eb6b0f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f06eb6b1429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f06ef854f3e in QEventDispatcherGlib::processEvents (this=0x2412c80, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f06ef828cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f06ef828ef7 in QEventLoop::exec (this=0x7f06d3010dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f06ef74027f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f06ef80bcbf in QInotifyFileSystemWatcherEngine::run (this=0x1cbb610) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f06ef742d05 in QThreadPrivate::start (arg=0x1cbb610) at thread/qthread_unix.cpp:331
#9  0x00007f06ec5d7efc in start_thread (arg=0x7f06d3011700) at pthread_create.c:304
#10 0x00007f06f0c2a89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f06f12e9780 (LWP 2368)):
[KCrash Handler]
#6  0x00007f06e08500f5 in QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#7  0x00007f06ef75e637 in QHashData::detach_helper2 (this=0xdb4d70, node_duplicate=0x7f06e08500f0 <QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*)>, node_delete=0x7f06e08500e0 <QHash<void*, PyQtProxy*>::deleteNode2(QHashData::Node*)>, nodeSize=<optimized out>, nodeAlign=8) at tools/qhash.cpp:235
#8  0x00007f06e0854ca7 in sipQtFindSipslot () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#9  0x00007f06e04c771e in sipWrapper_traverse (arg=0x0, visit=0x7f06e1729620 <visit_decref>, self=0x11db200) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9648
#10 sipWrapper_traverse (self=0x11db200, visit=0x7f06e1729620 <visit_decref>, arg=0x0) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9629
#11 0x00007f06e17298c7 in subtract_refs (containers=0x7f06e1aa9c80) at ../Modules/gcmodule.c:345
#12 collect (generation=2) at ../Modules/gcmodule.c:874
#13 0x00007f06e172a5e4 in PyGC_Collect () at ../Modules/gcmodule.c:1386
#14 0x00007f06e1716aa6 in Py_Finalize () at ../Python/pythonrun.c:437
#15 Py_Finalize () at ../Python/pythonrun.c:393
#16 0x00007f06e1af69e5 in KPythonPluginFactory::~KPythonPluginFactory (this=0xca2250, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:262
#17 0x00007f06e1af6a49 in KPythonPluginFactory::~KPythonPluginFactory (this=0xca2250, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:268
#18 0x00007f06ef842926 in QObjectCleanupHandler::clear (this=0xafea90) at kernel/qobjectcleanuphandler.cpp:140
#19 0x00007f06ef84296b in QObjectCleanupHandler::~QObjectCleanupHandler (this=0xafea90, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:86
#20 0x00007f06ef8429b9 in QObjectCleanupHandler::~QObjectCleanupHandler (this=0xafea90, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:87
#21 0x00007f06f0b84821 in __run_exit_handlers (status=1, listp=0x7f06f0ee15a8, run_list_atexit=true) at exit.c:78
#22 0x00007f06f0b848a5 in __GI_exit (status=<optimized out>) at exit.c:100
#23 0x00007f06da31db9e in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#24 0x00007f06edfc006f in _XError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#25 0x00007f06edfbce21 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#26 0x00007f06edfbdd77 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#27 0x00007f06edfa234b in XGetWindowProperty () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#28 0x00007f06f061a71b in NETWinInfo::update (this=0x7fff511b5820, dirty_props=<optimized out>) at ../../kdeui/windowmanagement/netwm.cpp:3962
#29 0x00007f06f061bee6 in NETWinInfo::event (this=0x7fff511b5820, event=0x7fff511b58d0, properties=0x7fff511b57f0, properties_size=2) at ../../kdeui/windowmanagement/netwm.cpp:3925
#30 0x00007f06f0610fc8 in KWindowSystemPrivate::x11Event (this=0x5000bb0, ev=0x7fff511b58d0) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:198
#31 0x00007f06f05010a6 in publicX11Event (e=0x7fff511b58d0, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#32 KSystemEventFilterPrivate::filterEvent (this=0x4180940, message=0x7fff511b58d0) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#33 0x00007f06eec82388 in x11EventSourceDispatch (s=0x937190, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#34 0x00007f06eb6b0a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f06eb6b1258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f06eb6b1429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f06ef854ed6 in QEventDispatcherGlib::processEvents (this=0x915cd0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007f06eec8207e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f06ef828cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f06ef828ef7 in QEventLoop::exec (this=0x7fff511b5ca0, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007f06ef091216 in QDialog::exec (this=0xaaeae0) at dialogs/qdialog.cpp:552
#42 0x00007f06f0eefc6c in kdemain (_argc=<optimized out>, _argv=<optimized out>) at ../../kcmshell/main.cpp:292
#43 0x00007f06f0b6a30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=2, ubp_av=0x7fff511b6568, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff511b6558) at libc-start.c:226
#44 0x0000000000400671 in _start ()

Possible duplicates by query: bug 284257, bug 284151, bug 284143, bug 284013, bug 283987.

Reported using DrKonqi