Bug 284143

Application: systemsettings (1.0)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

Changing the default printer settings.  It crashed when I hit "apply"

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[KCrash Handler]
#7  0x040f730c in QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#8  0x03d8cc99 in QHashData::detach_helper2 (this=0x9335870, node_duplicate=0x40f7300 <QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*)>, node_delete=0x40f72f0 <QHash<void*, PyQtProxy*>::deleteNode2(QHashData::Node*)>, nodeSize=16, nodeAlign=4) at tools/qhash.cpp:235
#9  0x040fc30c in sipQtFindSipslot () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#10 0x01f17c00 in sipWrapper_traverse (arg=0x0, visit=0x437e720 <visit_decref>, self=0x930380c) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9648
#11 sipWrapper_traverse (self=0x930380c, visit=0x437e720 <visit_decref>, arg=0x0) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9629
#12 0x042fa252 in subtype_traverse (self=<QApplication at remote 0x930380c>, visit=0x437e720 <visit_decref>, arg=0x0) at ../Objects/typeobject.c:838
#13 0x0437e990 in subtract_refs (containers=0x44f5728) at ../Modules/gcmodule.c:345
#14 collect (generation=2) at ../Modules/gcmodule.c:874
#15 0x0437f6bc in PyGC_Collect () at ../Modules/gcmodule.c:1386
#16 0x0436aadb in Py_Finalize () at ../Python/pythonrun.c:437
#17 Py_Finalize () at ../Python/pythonrun.c:393
#18 0x04d5bf75 in KPythonPluginFactory::~KPythonPluginFactory (this=0x90a5560, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:262
#19 0x04d5c002 in KPythonPluginFactory::~KPythonPluginFactory (this=0x90a5560, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:268
#20 0x03e83b45 in QObjectCleanupHandler::clear (this=0x8e13d68) at kernel/qobjectcleanuphandler.cpp:140
#21 0x03e83b8d in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x8e13d68, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:86
#22 0x03e83c02 in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x8e13d68, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:87
#23 0x00c08512 in destroy () at ../../kdecore/util/kpluginfactory.cpp:29
#24 0x00a7c339 in KCleanUpGlobalStatic::~KCleanUpGlobalStatic (this=0xcb90f0, __in_chrg=<optimized out>) at ../../kdecore/kernel/kglobal.h:62
#25 0x01934981 in ?? () from /lib/i386-linux-gnu/libc.so.6
#26 0x01934a0d in exit () from /lib/i386-linux-gnu/libc.so.6
#27 0x04a25d90 in ?? () from /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#28 0x00cf4d6b in _XError () from /usr/lib/i386-linux-gnu/libX11.so.6
#29 0x00cf193d in ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
#30 0x00cf2927 in _XReply () from /usr/lib/i386-linux-gnu/libX11.so.6
#31 0x00cd72b8 in XGetWindowProperty () from /usr/lib/i386-linux-gnu/libX11.so.6
#32 0x00911730 in NETWinInfo::update (this=0xbfc19358, dirty_props=0xbfc192d8) at ../../kdeui/windowmanagement/netwm.cpp:3962
#33 0x00912fd6 in NETWinInfo::event (this=0xbfc19358, event=0xbfc1943c, properties=0xbfc19344, properties_size=2) at ../../kdeui/windowmanagement/netwm.cpp:3925
#34 0x009072d0 in KWindowSystemPrivate::x11Event (this=0x9fa23b8, ev=0xbfc1943c) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:198
#35 0x007cf0fb in publicX11Event (e=0xbfc1943c, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#36 KSystemEventFilterPrivate::filterEvent (this=0x9f16820, message=0xbfc1943c) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#37 0x007cf196 in _k_eventFilter (message=0xbfc1943c) at ../../kdeui/kernel/ksystemeventfilter.cpp:91
#38 0x03e5b7cc in QAbstractEventDispatcher::filterEvent (this=0x8b32bc8, message=0xbfc1943c) at kernel/qabstracteventdispatcher.cpp:501
#39 0x0104c181 in x11EventSourceDispatch (s=0x8b5bde8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#40 0x03bf525f in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#41 0x03bf5990 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#42 0x03bf5c2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#43 0x03e97ada in QEventDispatcherGlib::processEvents (this=0x8b32bc8, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#44 0x0104be3a in QGuiEventDispatcherGlib::processEvents (this=0x8b32bc8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#45 0x03e681dd in QEventLoop::processEvents (this=0xbfc19744, flags=...) at kernel/qeventloop.cpp:149
#46 0x03e68421 in QEventLoop::exec (this=0xbfc19744, flags=...) at kernel/qeventloop.cpp:201
#47 0x03e6d19d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#48 0x00f918f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#49 0x080502b8 in main (argc=-1758569287, argv=0x19) at ../../../systemsettings/app/main.cpp:49

This bug may be a duplicate of or related to bug 283611.

Possible duplicates by query: bug 284013, bug 283987, bug 283970, bug 283710, bug 254657.

Reported using DrKonqi