(gdb) bt
#0  0x00540110 in strncpy () from /lib/tls/libc.so.6
#1  0x0805a956 in ast_channel_register_ex (type=0x811e558 "\020", description=0x811e558 "\020",
    capabilities=135390552, requester=0x811e558, devicestate=0x811e558) at channel.c:188
#2  0x0805ab0c in ast_channel_register (type=0x811e558 "\020", description=0x811e558 "\020",
    capabilities=135390552, requester=0x811e558) at channel.c:159
#3  0xb71f4f8d in load_module () at chan_features.c:527
#4  0x08057b91 in ast_load_resource (resource_name=0x8109687 "chan_features.so") at loader.c:344
#5  0x08058374 in load_modules () at loader.c:439
#6  0x080a41b5 in main (argc=-1073745120, argv=0x80a0810) at asterisk.c:1847