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Subject: Re: sdt_probe_stub: Why did this get called?
From: Mark Johnston <markj@freebsd.org>
To: Dmitry Sivachenko <trtrmitya@gmail.com>
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On Tue, Feb 18, 2014 at 5:34 AM, Dmitry Sivachenko <trtrmitya@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?