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:

- Click up arrow in task tray
- Printer applet
- In printer applet click Settings -> Printer configuration
- Press New Printer button, (takes 5-10 seconds before showing the New Printer dialog)
- Click Internet Printing Protocol (ipp)
- Click Find Queue..
- Error message: 
"It is not possible to obtain a list of queues from `'.
Obtainining a list of queues is a CUPS extention to IPP. Network printers do not support it."
- Click OK
- Crash

arjen@Ruby:~$ uname -a
Linux Ruby 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Control Module (kcmshell4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f9e7c39a780 (LWP 27144))]

Thread 2 (Thread 0x7f9e5cd16700 (LWP 27147)):
#0  0x00007f9e7bce1773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f9e76773f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e76774429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e7a917f3e in QEventDispatcherGlib::processEvents (this=0x27a33f0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f9e7a8ebcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9e7a8ebef7 in QEventLoop::exec (this=0x7f9e5cd15dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f9e7a80327f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f9e7a8cecbf in QInotifyFileSystemWatcherEngine::run (this=0x2647260) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f9e7a805d05 in QThreadPrivate::start (arg=0x2647260) at thread/qthread_unix.cpp:331
#9  0x00007f9e7769aefc in start_thread (arg=0x7f9e5cd16700) at pthread_create.c:304
#10 0x00007f9e7bced89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9e7c39a780 (LWP 27144)):
[KCrash Handler]
#6  0x00007f9e6c5789c2 in wait_for_thread_shutdown () at ../Python/pythonrun.c:1689
#7  Py_Finalize () at ../Python/pythonrun.c:401
#8  Py_Finalize () at ../Python/pythonrun.c:393
#9  0x00007f9e6c9589e5 in KPythonPluginFactory::~KPythonPluginFactory (this=0x11182d0, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:262
#10 0x00007f9e6c958a49 in KPythonPluginFactory::~KPythonPluginFactory (this=0x11182d0, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:268
#11 0x00007f9e7a905926 in QObjectCleanupHandler::clear (this=0x114c900) at kernel/qobjectcleanuphandler.cpp:140
#12 0x00007f9e7a90596b in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x114c900, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:86
#13 0x00007f9e7a9059b9 in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x114c900, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:87
#14 0x00007f9e7bc47821 in __run_exit_handlers (status=1, listp=0x7f9e7bfa45a8, run_list_atexit=true) at exit.c:78
#15 0x00007f9e7bc478a5 in __GI_exit (status=<optimized out>) at exit.c:100
#16 0x00007f9e65270b9e in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#17 0x00007f9e7908306f in _XError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#18 0x00007f9e7907fe21 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#19 0x00007f9e79080d77 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#20 0x00007f9e7906534b in XGetWindowProperty () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#21 0x00007f9e7b6dd71b in NETWinInfo::update (this=0x7fffc868ca80, dirty_props=<optimized out>) at ../../kdeui/windowmanagement/netwm.cpp:3962
#22 0x00007f9e7b6deee6 in NETWinInfo::event (this=0x7fffc868ca80, event=0x7fffc868cb30, properties=0x7fffc868ca50, properties_size=2) at ../../kdeui/windowmanagement/netwm.cpp:3925
#23 0x00007f9e7b6d3fc8 in KWindowSystemPrivate::x11Event (this=0x27230a0, ev=0x7fffc868cb30) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:198
#24 0x00007f9e7b5c40a6 in publicX11Event (e=0x7fffc868cb30, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#25 KSystemEventFilterPrivate::filterEvent (this=0x2800210, message=0x7fffc868cb30) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#26 0x00007f9e79d45388 in x11EventSourceDispatch (s=0xf38e60, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#27 0x00007f9e76773a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f9e76774258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f9e76774429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f9e7a917ed6 in QEventDispatcherGlib::processEvents (this=0xf18cd0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#31 0x00007f9e79d4507e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x00007f9e7a8ebcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#33 0x00007f9e7a8ebef7 in QEventLoop::exec (this=0x7fffc868cf00, flags=...) at kernel/qeventloop.cpp:201
#34 0x00007f9e7a154216 in QDialog::exec (this=0x2707d80) at dialogs/qdialog.cpp:552
#35 0x00007f9e6af96390 in meth_QDialog_exec_ (sipSelf=<NewPrinterGUI(btnNPPDComments=<QPushButton at remote 0x27a8cb0>, label_18=<QLabel at remote 0x25e9c20>, label_19=<QLabel at remote 0x25e9dd0>, label_16=<QLabel at remote 0x27a75f0>, label_17=<QLabel at remote 0x25e9b90>, label_14=<QLabel at remote 0x25e94d0>, label_15=<QLabel at remote 0x25e9680>, label_12=<QLabel at remote 0x25e9170>, label_13=<QLabel at remote 0x25e9440>, label_10=<QLabel at remote 0x25e6f80>, label_11=<QLabel at remote 0x25e9050>, mainapp=<GUI(encoding=('en_US', 'UTF-8'), memberTabWidget=<QWidget at remote 0x25ad7a0>, mainListSelectedName=u'New Printer', servers=set(['/var/run/cups/cups.sock']), newPrinterItem=<QTreeWidgetItem at remote 0x27ad0e0>, connect_server='/var/run/cups/cups.sock', cups=<Connection(getNotifications=<function at remote 0x2266ed8>, deletePrinterOptionDefault=<function at remote 0x22669b0>, acceptJobs=<function at remote 0x2102f50>, adminSetServerSettings=<function at remote 0x2266578>, getDocument=<function at remote 0x2266cf8>, adminGetServerSettings=<function at r...(truncated), sipArgs=<optimized out>) at /build/buildd/python-qt4-4.8.5/sip/QtGui/qdialog.sip:73
#36 0x00007f9e6c5536f5 in call_function (oparg=<optimized out>, pp_stack=0x7fffc868d080) at ../Python/ceval.c:4021
#37 PyEval_EvalFrameEx (f=<optimized out>, throwflag=<optimized out>) at ../Python/ceval.c:2666
#38 0x00007f9e6c554064 in fast_function (nk=<optimized out>, na=2, n=<optimized out>, pp_stack=0x7fffc868d1e0, func=<function at remote 0x20f8578>) at ../Python/ceval.c:4107
#39 call_function (oparg=<optimized out>, pp_stack=0x7fffc868d1e0) at ../Python/ceval.c:4042
#40 PyEval_EvalFrameEx (f=<optimized out>, throwflag=<optimized out>) at ../Python/ceval.c:2666
#41 0x00007f9e6c554f05 in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=<optimized out>, args=<optimized out>, argcount=1, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:3253
#42 0x00007f9e6c4d7a1c in function_call (func=<function at remote 0x20f7b90>, arg=(<GUI(encoding=('en_US', 'UTF-8'), memberTabWidget=<QWidget at remote 0x25ad7a0>, mainListSelectedName=u'New Printer', servers=set(['/var/run/cups/cups.sock']), newPrinterItem=<QTreeWidgetItem at remote 0x27ad0e0>, connect_server='/var/run/cups/cups.sock', cups=<Connection(getNotifications=<function at remote 0x2266ed8>, deletePrinterOptionDefault=<function at remote 0x22669b0>, acceptJobs=<function at remote 0x2102f50>, adminSetServerSettings=<function at remote 0x2266578>, getDocument=<function at remote 0x2266cf8>, adminGetServerSettings=<function at remote 0x2266500>, restartJob=<function at remote 0x25ba6e0>, _cannot_auth=False, deletePrinter=<function at remote 0x22668c0>, setPrinterInfo=<function at remote 0x25ba938>, setPrinterLocation=<function at remote 0x25baa28>, getPPDs2=<function at remote 0x25ba140>, addPrinterOptionDefault=<function at remote 0x2266398>, addPrinterToClass=<function at remote 0x2266410>, _cancel=False, _operation_stack=[], _forbidden=False, putFile=<function at remote 0x25ba578...(truncated), kw=0x0) at ../Objects/funcobject.c:526
#43 0x00007f9e6c4af1f3 in PyObject_Call (func=<function at remote 0x20f7b90>, arg=<optimized out>, kw=<optimized out>) at ../Objects/abstract.c:2529
#44 0x00007f9e6c4bc94f in instancemethod_call (func=<function at remote 0x20f7b90>, arg=(<GUI(encoding=('en_US', 'UTF-8'), memberTabWidget=<QWidget at remote 0x25ad7a0>, mainListSelectedName=u'New Printer', servers=set(['/var/run/cups/cups.sock']), newPrinterItem=<QTreeWidgetItem at remote 0x27ad0e0>, connect_server='/var/run/cups/cups.sock', cups=<Connection(getNotifications=<function at remote 0x2266ed8>, deletePrinterOptionDefault=<function at remote 0x22669b0>, acceptJobs=<function at remote 0x2102f50>, adminSetServerSettings=<function at remote 0x2266578>, getDocument=<function at remote 0x2266cf8>, adminGetServerSettings=<function at remote 0x2266500>, restartJob=<function at remote 0x25ba6e0>, _cannot_auth=False, deletePrinter=<function at remote 0x22668c0>, setPrinterInfo=<function at remote 0x25ba938>, setPrinterLocation=<function at remote 0x25baa28>, getPPDs2=<function at remote 0x25ba140>, addPrinterOptionDefault=<function at remote 0x2266398>, addPrinterToClass=<function at remote 0x2266410>, _cancel=False, _operation_stack=[], _forbidden=False, putFile=<function at remote 0x25ba578...(truncated), kw=0x0) at ../Objects/classobject.c:2578
#45 0x00007f9e6c4af1f3 in PyObject_Call (func=<instancemethod at remote 0x1573640>, arg=<optimized out>, kw=<optimized out>) at ../Objects/abstract.c:2529
#46 0x00007f9e6c54d807 in PyEval_CallObjectWithKeywords (func=<instancemethod at remote 0x1573640>, arg=(), kw=<optimized out>) at ../Python/ceval.c:3890
#47 0x00007f9e6b410cc0 in sip_api_invoke_slot (slot=<optimized out>, sigargs=()) at /build/buildd/sip4-4.12.4/siplib/qtlib.c:203
#48 0x00007f9e6b78df86 in PyQtProxy::invokeSlot(qpycore_slot const&, void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#49 0x00007f9e6b78e068 in PyQtProxy::unislot(void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#50 0x00007f9e6b78e122 in PyQtProxy::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#51 0x00007f9e7a8ffeba in QMetaObject::activate (sender=0x22ba5a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffc868d8b0) at kernel/qobject.cpp:3278
#52 0x00007f9e7a30e582 in QAbstractButton::clicked (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#53 0x00007f9e7a05413e in QAbstractButtonPrivate::emitClicked (this=<optimized out>) at widgets/qabstractbutton.cpp:546
#54 0x00007f9e7a05547b in QAbstractButtonPrivate::click (this=0x22ba7b0) at widgets/qabstractbutton.cpp:539
#55 0x00007f9e7a0556ec in QAbstractButton::mouseReleaseEvent (this=0x22ba5a0, e=0x7fffc868e020) at widgets/qabstractbutton.cpp:1121
#56 0x00007f9e69a19ec3 in sipKPushButton::mouseReleaseEvent (this=0x22ba5a0, a0=0x7fffc868e020) at sip/kdeui/sipkdeuipart3.cpp:26572
#57 0x00007f9e79cedc9a in QWidget::event (this=0x22ba5a0, event=0x7fffc868e020) at kernel/qwidget.cpp:8295
#58 0x00007f9e69a278db in event (a0=0x7fffc868e020, this=0x22ba5a0) at sip/kdeui/sipkdeuipart3.cpp:26433
#59 sipKPushButton::event (this=0x22ba5a0, a0=0x7fffc868e020) at sip/kdeui/sipkdeuipart3.cpp:26425
#60 0x00007f9e79c9d424 in notify_helper (e=0x7fffc868e020, receiver=0x22ba5a0, this=0xf353a0) at kernel/qapplication.cpp:4486
#61 QApplicationPrivate::notify_helper (this=0xf353a0, receiver=0x22ba5a0, e=0x7fffc868e020) at kernel/qapplication.cpp:4458
#62 0x00007f9e79ca2c6b in QApplication::notify (this=<optimized out>, receiver=0x22ba5a0, e=0x7fffc868e020) at kernel/qapplication.cpp:4047
#63 0x00007f9e7b59b126 in KApplication::notify (this=0x7fffc868ecc0, receiver=0x22ba5a0, event=0x7fffc868e020) at ../../kdeui/kernel/kapplication.cpp:311
#64 0x00007f9e7a8ecafc in QCoreApplication::notifyInternal (this=0x7fffc868ecc0, receiver=0x22ba5a0, event=0x7fffc868e020) at kernel/qcoreapplication.cpp:787
#65 0x00007f9e79c9e3f2 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#66 QApplicationPrivate::sendMouseEvent (receiver=0x22ba5a0, event=0x7fffc868e020, alienWidget=0x22ba5a0, nativeWidget=0x10f19f0, buttonDown=0x22ba5a0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3146
#67 0x00007f9e79d1d945 in QETWidget::translateMouseEvent (this=0x10f19f0, event=<optimized out>) at kernel/qapplication_x11.cpp:4568
#68 0x00007f9e79d1c8be in QApplication::x11ProcessEvent (this=0x7fffc868ecc0, event=0x7fffc868e840) at kernel/qapplication_x11.cpp:3690
#69 0x00007f9e79d45412 in x11EventSourceDispatch (s=0xf38e60, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#70 0x00007f9e76773a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#71 0x00007f9e76774258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#72 0x00007f9e76774429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#73 0x00007f9e7a917ed6 in QEventDispatcherGlib::processEvents (this=0xf18cd0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#74 0x00007f9e79d4507e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#75 0x00007f9e7a8ebcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#76 0x00007f9e7a8ebef7 in QEventLoop::exec (this=0x7fffc868ec10, flags=...) at kernel/qeventloop.cpp:201
#77 0x00007f9e7a154216 in QDialog::exec (this=0x10f19f0) at dialogs/qdialog.cpp:552
#78 0x00007f9e7bfb2c6c in kdemain (_argc=<optimized out>, _argv=<optimized out>) at ../../kcmshell/main.cpp:292
#79 0x00007f9e7bc2d30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=2, ubp_av=0x7fffc868f4d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffc868f4c8) at libc-start.c:226
#80 0x0000000000400671 in _start ()

Possible duplicates by query: bug 285766, bug 285760, bug 285627, bug 285533, bug 285481.

Reported using DrKonqi