#0 0xffffe424 in __kernel_vsyscall ()
#1 0xb74e13d0 in raise () from /lib/i686/cmov/libc.so.6
#2 0xb74e4a85 in abort () from /lib/i686/cmov/libc.so.6
#3 0xb751a2ed in ?? () from /lib/i686/cmov/libc.so.6
#4 0xb75248f4 in ?? () from /lib/i686/cmov/libc.so.6
#5 0xb7526896 in free () from /lib/i686/cmov/libc.so.6
#6 0x08086176 in internal_ao2_ref (user_data=0xb708f5d8, delta=-1) at astobj2.c:274
#7 0x0808606c in __ao2_ref (user_data=0xb708f5d8, delta=-1) at astobj2.c:232
#8 0xb692067c in handle_cli_moh_show_classes (e=0xb6922408, cmd=-4, a=0xaf6c2d04)
at res_musiconhold.c:1822
#9 0x080c918a in ast_cli_command_full (uid=0, gid=0, fd=41,
s=0xaf6c2ea4 "moh show classes") at cli.c:2570
#10 0x080c929f in ast_cli_command_multiple_full (uid=0, gid=0, fd=41, size=17,
s=0xaf6c30f8 "moh show classes") at cli.c:2593
#11 0x0807d8ad in netconsole (vconsole=0x8221bc0) at asterisk.c:1269
#12 0x0818b6ba in dummy_start (data=0x82c3a40) at utils.c:973
#13 0xb73664b5 in start_thread () from /lib/i686/cmov/libpthread.so.0
#14 0xb7597a5e in clone () from /lib/i686/cmov/libc.so.6