Bug 288580

Application: kcmshell4 ()
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:
I was trying to print to a printer that I wasn't able to connec to.  This was a network printer that wasn't on a segment I could get to.

-- Backtrace:
Application: KDE Control Module (kcmshell4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f99bb54f780 (LWP 3886))]

Thread 2 (Thread 0x7f999cc9e700 (LWP 3887)):
#0  0x00007f99b68451fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x195fef8) at pthread_mutex_unlock.c:290
#2  0x00007f99b5919fe4 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f99b591adfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f99b591b429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f99b9abef3e in QEventDispatcherGlib::processEvents (this=0x2f580c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f99b9a92cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f99b9a92ef7 in QEventLoop::exec (this=0x7f999cc9ddd0, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007f99b99aa27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#9  0x00007f99b9a75cbf in QInotifyFileSystemWatcherEngine::run (this=0x2e197e0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f99b99acd05 in QThreadPrivate::start (arg=0x2e197e0) at thread/qthread_unix.cpp:331
#11 0x00007f99b6841efc in start_thread (arg=0x7f999cc9e700) at pthread_create.c:304
#12 0x00007f99bae9489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f99bb54f780 (LWP 3886)):
[KCrash Handler]
#6  0x00007f99aabfb0f5 in QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#7  0x00007f99b99c8637 in QHashData::detach_helper2 (this=0x1f33980, node_duplicate=0x7f99aabfb0f0 <QHash<void*, PyQtProxy*>::duplicateNode(QHashData::Node*, void*)>, node_delete=0x7f99aabfb0e0 <QHash<void*, PyQtProxy*>::deleteNode2(QHashData::Node*)>, nodeSize=<optimized out>, nodeAlign=8) at tools/qhash.cpp:235
#8  0x00007f99aabffca7 in sipQtFindSipslot () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#9  0x00007f99aa87271e in sipWrapper_traverse (arg=0x0, visit=0x7f99ab9f7620 <visit_decref>, self=0x2136170) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9648
#10 sipWrapper_traverse (self=0x2136170, visit=0x7f99ab9f7620 <visit_decref>, arg=0x0) at /build/buildd/sip4-4.12.4/siplib/siplib.c:9629
#11 0x00007f99ab9f78c7 in subtract_refs (containers=0x7f99abd77c80) at ../Modules/gcmodule.c:345
#12 collect (generation=2) at ../Modules/gcmodule.c:874
#13 0x00007f99ab9f85e4 in PyGC_Collect () at ../Modules/gcmodule.c:1386
#14 0x00007f99ab9e4aa6 in Py_Finalize () at ../Python/pythonrun.c:437
#15 Py_Finalize () at ../Python/pythonrun.c:393
#16 0x00007f99abdc49e5 in KPythonPluginFactory::~KPythonPluginFactory (this=0x1ac1a60, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:262
#17 0x00007f99abdc4a49 in KPythonPluginFactory::~KPythonPluginFactory (this=0x1ac1a60, __in_chrg=<optimized out>) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:268
#18 0x00007f99b9aac926 in QObjectCleanupHandler::clear (this=0x1aad090) at kernel/qobjectcleanuphandler.cpp:140
#19 0x00007f99b9aac96b in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x1aad090, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:86
#20 0x00007f99b9aac9b9 in QObjectCleanupHandler::~QObjectCleanupHandler (this=0x1aad090, __in_chrg=<optimized out>) at kernel/qobjectcleanuphandler.cpp:87
#21 0x00007f99badee821 in __run_exit_handlers (status=1, listp=0x7f99bb14b5a8, run_list_atexit=true) at exit.c:78
#22 0x00007f99badee8a5 in __GI_exit (status=<optimized out>) at exit.c:100
#23 0x00007f99a46dcb9e in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#24 0x00007f99b822a06f in _XError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#25 0x00007f99b8226e21 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#26 0x00007f99b8227d77 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#27 0x00007f99b820c34b in XGetWindowProperty () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#28 0x00007f99ba88471b in NETWinInfo::update (this=0x7fff298ad600, dirty_props=<optimized out>) at ../../kdeui/windowmanagement/netwm.cpp:3962
#29 0x00007f99ba885ee6 in NETWinInfo::event (this=0x7fff298ad600, event=0x7fff298ad6b0, properties=0x7fff298ad5d0, properties_size=2) at ../../kdeui/windowmanagement/netwm.cpp:3925
#30 0x00007f99ba87afc8 in KWindowSystemPrivate::x11Event (this=0x505e6f0, ev=0x7fff298ad6b0) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:198
#31 0x00007f99ba76b0a6 in publicX11Event (e=0x7fff298ad6b0, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#32 KSystemEventFilterPrivate::filterEvent (this=0x506b210, message=0x7fff298ad6b0) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#33 0x00007f99b8eec388 in x11EventSourceDispatch (s=0x18ea330, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#34 0x00007f99b591aa5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f99b591b258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f99b591b429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f99b9abeed6 in QEventDispatcherGlib::processEvents (this=0x18c8cd0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007f99b8eec07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f99b9a92cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f99b9a92ef7 in QEventLoop::exec (this=0x7fff298ada80, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007f99b92fb216 in QDialog::exec (this=0x1a98330) at dialogs/qdialog.cpp:552
#42 0x00007f99bb159c6c in kdemain (_argc=<optimized out>, _argv=<optimized out>) at ../../kcmshell/main.cpp:292
#43 0x00007f99badd430d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=2, ubp_av=0x7fff298ae348, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff298ae338) at libc-start.c:226
#44 0x0000000000400671 in _start ()

Possible duplicates by query: bug 288565, bug 288503, bug 288489, bug 288376, bug 288357.

Reported using DrKonqi