(gdb) bt full
#0  0x080651e4 in ast_bridged_channel (chan=0x81dc060) at channel.c:3275
        bridged = (struct ast_channel *) 0x81dc870
#1  0x08092c5a in handle_chanlist (fd=7, argc=7, argv=0x8100ce0) at cli.c:447
        c = (struct ast_channel *) 0x81dc060
        bc = (struct ast_channel *) 0x0
        durbuf = "\000\000\000\000\000\000\000\000\000"
        locbuf = "60@in_62_1:2\000�8@��8@����\234�8@\001\000\000\000\b\001\000\000\001\000\000"
        appdata = "Echo()\000@\001\000\000\000h�8@C\\\024@\000i @\017\000\000\000@_ @\017\000\000\000\220�8@"
        duration = 136168756
        durh = 135269600
        durs = 2003789939
        numchans = 1
        concise = 0
        verbose = 0
#2  0x0809220e in ast_cli_command (fd=7, s=0x81dc870 " �\036\bX\232\036\b channels ") at cli.c:1364
        argv = {0x81d4638 "show", 0x81d463d "channels", 0x0, 0x81cee0c "channels", 0x0, 0x4038a890 "show channels ", 0x4038a890 "show channels ",
  0x4038a890 "show channels ", 0x4038a890 "show channels ", 0x4038a8b5 " \"channels\"", 0x4038aa8f "4ast-ipex", 0x4038a890 "show channels ", 0x4038aa8f "4ast-ipex", 0x0,
  0x0, 0x0, 0x0, 0x0, 0x32322070 <Address 0x32322070 out of bounds>, 0x0, 0x323a3530 <Address 0x323a3530 out of bounds>, 0x45000000 <Address 0x45000000 out of bounds>,
  0x0, 0x343030 <Address 0x343030 out of bounds>, 0x0, 0x0, 0x0, 0xffffffff <Address 0xffffffff out of bounds>, 0x0, 0x0, 0x0, 0x0,
  0x36383669 <Address 0x36383669 out of bounds>, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401feac0 "", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  0x6f6e2800 <Address 0x6f6e2800 out of bounds>, 0x29656e <Address 0x29656e out of bounds>, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40205f40 "H\036\023",
  0x812cf40 "\a", 0x4038a890 "show channels ", 0x401b8369 "\201���\004"}
        e = (struct ast_cli_entry *) 0x811c3c0
        x = 2
        dup = 0x81d4638 "show"
        tws = 1
#3  0x080bb0b6 in netconsole (vconsole=0x812cf40) at asterisk.c:555
        hostname = "ast", '\0' <repeats 55 times>
        tmp = "show channels \000\000ARRAY \"show channels\" \"channels\"\000\000 but we don't care because they're not a member of any queue.\n\00040mchangethread\033[0;37;40m: \0000m: \000Their Call ID: 5ebbffff6ce40000@192.168.1.240 Their Ta"...
---Type <return> to continue, or q <return> to quit---
        res = 136169584
        fds = {{fd = 7, events = 1, revents = 1}, {fd = 8, events = 1, revents = 0}}
#4  0x40024b63 in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#5  0x401ac18a in clone () from /lib/tls/libc.so.6
No symbol table info available.