Application: polkit-kde-authentication-agent-1 (0.99.0)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

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

I just shutdown my laptop and then this happened!
It hangs for a while and then displays the chrashreporter...

The crash can be reproduced every time.

-- Backtrace:
Application: PolicyKit1-KDE (polkit-kde-authentication-agent-1), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fb28431b820 (LWP 1487))]

Thread 4 (Thread 0x7fb272d05700 (LWP 1509)):
#0  0x00007fb281883f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb27fa53104 in g_main_context_poll (context=0x1c42b20, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3404
#2  g_main_context_iterate (context=0x1c42b20, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3086
#3  0x00007fb27fa539f2 in g_main_loop_run (loop=0x1c42b00) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3299
#4  0x00007fb27f548c44 in gdbus_shared_thread_func (data=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./gio/gdbusprivate.c:276
#5  0x00007fb27fa7a3e4 in g_thread_create_proxy (data=0x1c43240) at /build/buildd/glib2.0-2.28.6/./glib/gthread.c:1897
#6  0x00007fb27e812d8c in start_thread (arg=0x7fb272d05700) at pthread_create.c:304
#7  0x00007fb28189104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fb271c68700 (LWP 2951)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007fb27e8155b4 in _L_lock_944 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007fb27e8153ca in __pthread_mutex_lock (mutex=0x1c42b28) at pthread_mutex_lock.c:61
#3  0x00007fb27fa54925 in g_main_context_wakeup (context=0x1c42b20) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3756
#4  0x00007fb27fa54ac1 in child_watch_helper_thread (data=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:4316
#5  0x00007fb27fa7a3e4 in g_thread_create_proxy (data=0x1ca5350) at /build/buildd/glib2.0-2.28.6/./glib/gthread.c:1897
#6  0x00007fb27e812d8c in start_thread (arg=0x7fb271c68700) at pthread_create.c:304
#7  0x00007fb28189104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fb26fa55700 (LWP 2952)):
#0  0x00007fb281883f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb27fa53104 in g_main_context_poll (context=0x20a5650, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3404
#2  g_main_context_iterate (context=0x20a5650, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3086
#3  0x00007fb27fa53639 in g_main_context_iteration (context=0x20a5650, may_block=1) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3154
#4  0x00007fb282c68446 in QEventDispatcherGlib::processEvents (this=0x208bb10, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fb282c3c882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fb282c3cabc in QEventLoop::exec (this=0x7fb26fa54d30, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fb282b53924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#8  0x00007fb282c1ec2f in QInotifyFileSystemWatcherEngine::run (this=0x20a4c60) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fb282b56175 in QThreadPrivate::start (arg=0x20a4c60) at thread/qthread_unix.cpp:320
#10 0x00007fb27e812d8c in start_thread (arg=0x7fb26fa55700) at pthread_create.c:304
#11 0x00007fb28189104d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb28431b820 (LWP 1487)):
[KCrash Handler]
#6  g_type_check_instance_is_a (type_instance=0x1c44260, iface_type=<value optimized out>) at /build/buildd/glib2.0-2.28.6/./gobject/gtype.c:3961
#7  0x00007fb27f7cea9b in g_object_unref (_object=0x1c44260) at /build/buildd/glib2.0-2.28.6/./gobject/gobject.c:2668
#8  0x00007fb27f07893b in ?? () from /usr/lib/libpolkit-agent-1.so.0
#9  0x00007fb27f7cebe4 in g_object_unref (_object=0x1bd06a0) at /build/buildd/glib2.0-2.28.6/./gobject/gobject.c:2734
#10 0x00007fb2836bebe4 in PolkitQt1::Agent::Session::~Session() () from /usr/lib/libpolkit-qt-agent-1.so.1
#11 0x00007fb2836bec29 in PolkitQt1::Agent::Session::~Session() () from /usr/lib/libpolkit-qt-agent-1.so.1
#12 0x00007fb282c514c8 in QObject::event (this=0x2063f00, e=<value optimized out>) at kernel/qobject.cpp:1209
#13 0x00007fb281ffe9e4 in QApplicationPrivate::notify_helper (this=0x1b6a240, receiver=0x2063f00, e=0x1c4dba0) at kernel/qapplication.cpp:4462
#14 0x00007fb2820033aa in QApplication::notify (this=<value optimized out>, receiver=0x2063f00, e=0x1c4dba0) at kernel/qapplication.cpp:4341
#15 0x00007fb283d1a866 in KApplication::notify (this=0x7fff2eecc3a0, receiver=0x2063f00, event=0x1c4dba0) at ../../kdeui/kernel/kapplication.cpp:311
#16 0x00007fb282c3d49c in QCoreApplication::notifyInternal (this=0x7fff2eecc3a0, receiver=0x2063f00, event=0x1c4dba0) at kernel/qcoreapplication.cpp:731
#17 0x00007fb282c40c25 in sendEvent (receiver=0x0, event_type=52, data=0x1b1d890) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x1b1d890) at kernel/qcoreapplication.cpp:1372
#19 0x00007fb282c40f0e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1015
#20 0x000000000040a573 in _start ()

This bug may be a duplicate of or related to bug 277092, bug 276591, bug 258916.

Possible duplicates by query: bug 277092, bug 276980, bug 276728, bug 276591, bug 276087.

Reported using DrKonqi