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 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

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

I just tried to shoutdown the PC.
The same problem appear while trying to restart the laptop.

The crash can be reproduced every time.

-- Backtrace:
Application: PolicyKit1-KDE (polkit-kde-authentication-agent-1), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fee5eb32840 (LWP 1998))]

Thread 4 (Thread 0x7fee4e9b1700 (LWP 2007)):
#0  0x00007fee5c01f773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fee5a1def68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fee5a1df792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fee59cc5516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fee5a2042b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fee58f87efc in start_thread (arg=0x7fee4e9b1700) at pthread_create.c:304
#6  0x00007fee5c02b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fee4d872700 (LWP 2118)):
#0  0x00007fee5bff751d in nanosleep () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fee5a2076d2 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fee5a1dacfc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fee5a2042b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fee58f87efc in start_thread (arg=0x7fee4d872700) at pthread_create.c:304
#5  0x00007fee5c02b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fee46fbf700 (LWP 2119)):
#0  0xffffffffff60014a in ?? ()
#1  0x00007fee46fbea30 in ?? ()
#2  0x00007fffee9ff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7fee5eb32840 (LWP 1998)):
[KCrash Handler]
#6  0x00007fee59f7bf40 in g_type_check_instance_is_a () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7  0x00007fee59f5a8cd in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8  0x00007fee597eb8da in ?? () from /usr/lib/libpolkit-agent-1.so.0
#9  0x00007fee59f5a9f0 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#10 0x00007fee5debcd44 in PolkitQt1::Agent::Session::~Session() () from /usr/lib/libpolkit-qt-agent-1.so.1
#11 0x00007fee5debcd89 in PolkitQt1::Agent::Session::~Session() () from /usr/lib/libpolkit-qt-agent-1.so.1
#12 0x00007fee5d452a88 in QObject::event (this=0x912fb0, e=<optimized out>) at kernel/qobject.cpp:1200
#13 0x00007fee5c7ec424 in notify_helper (e=0x98fde0, receiver=0x912fb0, this=0x7dbaa0) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x7dbaa0, receiver=0x912fb0, e=0x98fde0) at kernel/qapplication.cpp:4458
#15 0x00007fee5c7f1291 in QApplication::notify (this=0x7fffee964800, receiver=0x912fb0, e=0x98fde0) at kernel/qapplication.cpp:4365
#16 0x00007fee5e50e126 in KApplication::notify (this=0x7fffee964800, receiver=0x912fb0, event=0x98fde0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007fee5d43bafc in QCoreApplication::notifyInternal (this=0x7fffee964800, receiver=0x912fb0, event=0x98fde0) at kernel/qcoreapplication.cpp:787
#18 0x00007fee5d43f51f in sendEvent (event=0x98fde0, receiver=0x912fb0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x7b55f0) at kernel/qcoreapplication.cpp:1428
#20 0x00007fee5d43f7c4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#21 0x000000000040847e in ?? ()
#22 0x00007fee5bf6b30d in __libc_start_main (main=0x4081f0, argc=1, ubp_av=0x7fffee964a48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffee964a38) at libc-start.c:226
#23 0x00000000004084e5 in _start ()

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

Possible duplicates by query: bug 284501, bug 284497, bug 284399, bug 284379, bug 284079.

Reported using DrKonqi