#### bt_BEFORE_patch.corefile with frame3 p *cmd
**Addition gdb command**
```
frame 3
p *cmd
```
**Output**
```
#3 0x00007fdc4c3eae1a in cmd_pipe_cb (fd=6, event=2, arg=0x7ffff51d9750) at
jsonrpc_io.c:152
152 json_object *payload = NULL;
$1 = {method = 0x0, params = 0x0, cb_route = 0x0, err_route = 0x0, t_hash = 0, t_label =
0, notify_only = 1, cb_pv = 0x0, msg = 0x0}
```
---
Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/issues/296#issuecomment-134869099