polkit-0.96 openSUSE 11.3 x86_64. Following polkitd SIGSEGV backtrace was found in a core dump:

#0  _egg_dbus_error_encode_gerror (error=0x23f5030) at eggdbuserror.c:135
#1  0x00007f65981d4e91 in egg_dbus_method_invocation_return_gerror (method_invocation=0x18f3b40 [EggDBusMethodInvocation], error=0x23f5030) at eggdbusmethodinvocation.c:342
#2  0x00007f65990ded91 in check_auth_cb (source_object=<value optimized out>, res=<value optimized out>, user_data=<value optimized out>) at polkitbackendauthority.c:875
#3  0x00007f65990e1c11 in polkit_backend_interactive_authority_check_authorization (authority=0x615800 [PolkitBackendLocalAuthority], caller=0x698ec0, subject=0x62f950, action_id=
    0x23f4b60 "org.freedesktop.RealtimeKit1.acquire-high-priority", details=0x6b9660, flags=POLKIT_CHECK_AUTHORIZATION_FLAGS_NONE, cancellable=0x0, callback=0x7f65990decc0 <check_auth_cb>, 
    user_data=0x18f3b40) at polkitbackendinteractiveauthority.c:742
#4  0x00007f65990deb31 in authority_handle_check_authorization (instance=<value optimized out>, real_subject=<value optimized out>, action_id=
    0x23f4b60 "org.freedesktop.RealtimeKit1.acquire-high-priority", real_details=<value optimized out>, flags=_POLKIT_CHECK_AUTHORIZATION_FLAGS_NONE, cancellation_id=0x1824cd0 "", 
    method_invocation=0x18f3b40 [EggDBusMethodInvocation]) at polkitbackendauthority.c:953
#5  0x00007f65990ed2f9 in handle_method_call (interface=0x612700, message=<value optimized out>) at _polkitauthority.c:2883
#6  handle_message (interface=0x612700, message=<value optimized out>) at _polkitauthority.c:3545
#7  0x00007f65981ccc27 in filter_function_handle_method_call (dconnection=<value optimized out>, message=0x22900d0, user_data=<value optimized out>) at eggdbusconnection.c:2214
#8  filter_function (dconnection=<value optimized out>, message=0x22900d0, user_data=<value optimized out>) at eggdbusconnection.c:294
#9  0x00007f65974416dc in dbus_connection_dispatch (connection=0x616af0) at dbus-connection.c:4451
#10 0x00007f659767e435 in message_queue_dispatch (source=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at dbus-gmain.c:101
#11 0x00007f6598bd5a93 in g_main_dispatch (context=0x60baa0) at gmain.c:1960
#12 IA__g_main_context_dispatch (context=0x60baa0) at gmain.c:2513
#13 0x00007f6598bd6270 in g_main_context_iterate (context=0x60baa0, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2591
#14 0x00007f6598bd68f5 in IA__g_main_loop_run (loop=0x60bb80) at gmain.c:2799
#15 0x0000000000400a82 in main (argc=<value optimized out>, argv=<value optimized out>) at main.c:59