sdt_probe_stub: Why did this get called?

[Mark Johnston]

On Tue, Feb 18, 2014 at 5:34 AM, Dmitry Sivachenko <trtrmitya at gmail.com> wrote:
> Hello!
>
> FreeBSD 10.0-STABLE #0 r262016M
>
>
> During the boot, I see the following line on console:
> sdt_probe_stub: Why did this get called?
>
> What does it mean?

It means that an SDT probe was somehow enabled without setting the
probe hook (which points to sdt_probe_stub() by default).

Are you using DTrace on the system? What local modifications have you
made to the code?