Thread 1 (Thread 0xb70bb6c0 (LWP 2739)):
#0  0xb7725424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb73564ac in poll () from /lib/libc.so.6
No symbol table info available.
#2  0xb745507c in g_poll (fds=0x8106750, nfds=4, timeout=-1) at gpoll.c:132
No locals.
#3  0xb7444b47 in g_main_context_poll (n_fds=4, fds=0x8106750, timeout=<optimized out>, context=0x8105cf0, priority=<optimized out>) at gmain.c:3402
        poll_func = 0xb7455050 <g_poll>
#4  g_main_context_iterate (context=0x8105cf0, block=1, dispatch=1, self=<optimized out>) at gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 4
        allocated_nfds = <optimized out>
        fds = 0x8106750
#5  0xb74451b3 in g_main_loop_run (loop=0x8106350) at gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x0804c989 in main (argc=1, argv=0xbfbd5994) at session-worker-main.c:200
        main_loop = 0x8106350
        context = <optimized out>
        worker = 0x8107808
        signal_handler = 0x81012a0
        address = <optimized out>
        entries = {{long_name = 0x0, short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}
A debugging session is active.

	Inferior 1 [process 2739] will be detached.

Quit anyway? (y or n) Detaching from program: /usr/libexec/gdm-session-worker, process 2739