Application: polkit-kde-authentication-agent-1 (0.99.0)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic i686
Distribution: Ubuntu 11.10

-- Information about the crash:
every time i go to restart, this happens, nothing shown on the desktop exceot for the error message with kPolicyKit

i will need to CtlAltDel to reboot from there.  restart application option has no apparant effect

The crash can be reproduced every time.

-- Backtrace:
Application: PolicyKit1-KDE (polkit-kde-authentication-agent-1), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77a2760 (LWP 2192))]

Thread 4 (Thread 0xb6b35b70 (LWP 2205)):
#0  0x006a5416 in __kernel_vsyscall ()
#1  0x00dbe40e in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x019db34b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x019cc896 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x019ccf9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x09b44cea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x019f35f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x0389cd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x00dcd0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xb5effb70 (LWP 3027)):
#0  0x006a5416 in __kernel_vsyscall ()
#1  0x00d96586 in nanosleep () from /lib/i386-linux-gnu/libc.so.6
#2  0x019f6abe in g_usleep () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x019c878e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x019f35f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x0389cd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x00dcd0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xb48bdb70 (LWP 3028)):
#0  0x00ddaee0 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#1  0x019cbf53 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x019cc8f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x019ccc2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x00b03b37 in QEventDispatcherGlib::processEvents (this=0x9e18f08, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00ad41dd in QEventLoop::processEvents (this=0xb48bd260, flags=...) at kernel/qeventloop.cpp:149
#6  0x00ad4421 in QEventLoop::exec (this=0xb48bd260, flags=...) at kernel/qeventloop.cpp:201
#7  0x009d790b in QThread::exec (this=0xb6235d00) at thread/qthread.cpp:498
#8  0x00ab4e2d in QInotifyFileSystemWatcherEngine::run (this=0xb6235d00) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x009da7b3 in QThreadPrivate::start (arg=0xb6235d00) at thread/qthread_unix.cpp:331
#10 0x0389cd31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x00dcd0ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb77a2760 (LWP 2192)):
[KCrash Handler]
#7  0x09766ba0 in g_type_check_instance_is_a () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#8  0x09744525 in g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#9  0x00629a22 in ?? () from /usr/lib/libpolkit-agent-1.so.0
#10 0x0974468a in g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#11 0x00632e9e in PolkitQt1::Agent::Session::Private::~Private() () from /usr/lib/libpolkit-qt-agent-1.so.1
#12 0x00632ee4 in PolkitQt1::Agent::Session::~Session() () from /usr/lib/libpolkit-qt-agent-1.so.1
#13 0x00632f42 in PolkitQt1::Agent::Session::~Session() () from /usr/lib/libpolkit-qt-agent-1.so.1
#14 0x00ae85f3 in qDeleteInEventHandler (o=0x9f77b40) at kernel/qobject.cpp:3986
#15 0x00aedb80 in QObject::event (this=0x9f77b40, e=0xb5fab650) at kernel/qobject.cpp:1200
#16 0x0101ad54 in notify_helper (e=0xb5fab650, receiver=0x9f77b40, this=0x9cdd218) at kernel/qapplication.cpp:4486
#17 QApplicationPrivate::notify_helper (this=0x9cdd218, receiver=0x9f77b40, e=0xb5fab650) at kernel/qapplication.cpp:4458
#18 0x01020103 in QApplication::notify (this=0xb5fab650, receiver=0x9f77b40, e=0xb5fab650) at kernel/qapplication.cpp:3886
#19 0x002f7681 in KApplication::notify (this=0xbfbd747c, receiver=0x9f77b40, event=0xb5fab650) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00ad519e in QCoreApplication::notifyInternal (this=0xbfbd747c, receiver=0x9f77b40, event=0xb5fab650) at kernel/qcoreapplication.cpp:787
#21 0x00ad8f93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x9cbeca8) at kernel/qcoreapplication.cpp:1428
#23 0x00ad90ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=52) at kernel/qcoreapplication.cpp:1321
#24 0x00ad91d3 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#25 0x010188f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#26 0x0804e6b5 in ?? ()
#27 0x00d14113 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#28 0x0804e711 in _start ()

Possible duplicates by query: bug 285318, bug 284734, bug 284501, bug 284379, bug 284079.

Reported using DrKonqi