** CRITICAL **: gossip_contact_get_name: assertion `GOSSIP_IS_CONTACT (contact)' failed
aborting...

Program received signal SIGABRT, Aborted.
[Switching to Thread -1225521472 (LWP 11621)]
0xffffe410 in __kernel_vsyscall ()
(gdb) bt full
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb72cddf0 in raise () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb72cf641 in abort () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb746470a in g_logv () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#4  0xb7464749 in g_log () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#5  0xb746482b in g_return_if_fail_warning () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#6  0x0806fea2 in gossip_contact_get_name (contact=0x0) at gossip-contact.c:367
        __PRETTY_FUNCTION__ = "gossip_contact_get_name"
#7  0x08080671 in contact_list_parse_presence_foreach (handle=14, presence_struct=0x83c5318, list=0x8340e20) at empathy-contact-list.c:1729
        contact = (GossipContact *) 0x0
        presence = (GossipPresence *) 0x83c64e0
#8  0xb744ec36 in g_hash_table_foreach () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#9  0x0807da8e in contact_list_presence_update_cb (proxy=0x8299f70, handle_table=0x83c6620, list=0x8340e20) at empathy-contact-list.c:1708
No locals.
#10 0xb74db049 in g_cclosure_marshal_VOID__BOXED () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#11 0xb750d3c6 in ?? () from /usr/lib/libdbus-glib-1.so.2
No symbol table info available.
#12 0x083bf6f0 in ?? ()
No symbol table info available.
#13 0x00000000 in ?? ()
No symbol table info available.