.
Thread 1 (process 5880):
#0  0xb7e6b2f7 in ?? () from /usr/lib/libpolkit.so.2
#1  0xb7e761b0 in ?? () from /usr/lib/libpolkit.so.2
#2  0xb7e768b8 in polkit_authorization_db_is_session_authorized ()
   from /usr/lib/libpolkit.so.2
#3  0xb7e6d184 in polkit_context_is_session_authorized ()
   from /usr/lib/libpolkit.so.2
#4  0xb7e6d303 in polkit_context_can_session_do_action ()
   from /usr/lib/libpolkit.so.2
#5  0x0804ac15 in ?? ()
#6  0x08049e87 in ?? ()
#7  0x0804b27a in ?? ()
#8  0xb7cd1775 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#9  0x08049871 in ?? ()