(gdb) bt
#0  0x00e894fc in do_parking_thread (ignore=0x0) at res_features.c:2031
#1  0x0811f7e7 in dummy_start ()
#2  0x008fd45b in start_thread () from /lib/libpthread.so.0
#3  0x00854e5e in clone () from /lib/libc.so.6
(gdb) bt full
#0  0x00e894fc in do_parking_thread (ignore=0x0) at res_features.c:2031
        chan = (struct ast_channel *) 0xb7d2f280
        tms = 9276
        x = 0
        con = (struct ast_context *) 0x8a8a3d8
        pl = (struct parkeduser *) 0x0
        pt = (struct parkeduser *) 0x0
        ms = -1
        nrfds = {fds_bits = {0 <repeats 32 times>}}
        pu = (struct parkeduser *) 0x8d719f0
        max = -1
        nefds = {fds_bits = {0 <repeats 32 times>}}
        rfds = {fds_bits = {0, 0, 0, 2944, 0 <repeats 28 times>}}
        efds = {fds_bits = {0, 0, 0, 2944, 0 <repeats 28 times>}}
        __PRETTY_FUNCTION__ = "do_parking_thread"
#1  0x0811f7e7 in dummy_start ()
No symbol table info available.
#2  0x008fd45b in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#3  0x00854e5e in clone () from /lib/libc.so.6
No symbol table info available.