Thread 1 (Thread -1208949056 (LWP 26748)):
#0  0x0092c402 in __kernel_vsyscall ()
#1  0x0017cd43 in __read_nocancel () from /lib/libpthread.so.0
#2  0x08063f01 in setup_user (pwent=0x7c41950, users=0x80704b8, users_string=0x80704c0,
    excludes=0x95076a8, exclude_user=0x0, defface=0x9392c50, size_of_users=0xbfd85434,
    is_local=1, read_faces=1) at gdmuser.c:91
#3  0x080644a8 in gdm_users_init (users=0x80704b8, users_string=0x80704c0, exclude_user=0x0,
    defface=0x9392c50, size_of_users=0xbfd85434, is_local=1, read_faces=1) at gdmuser.c:357
#4  0x08057d59 in greeter_item_ulist_setup () at greeter_item_ulist.c:186
#5  0x08050db5 in main (argc=0, argv=0x2) at greeter.c:617
