MSIX failure

[Jack Vogel]

On Thu, Sep 9, 2010 at 7:33 AM, Kurt Jaeger <pi at opsec.eu> wrote:

> Hi!
>
> > > Is this within a jail or something else along those lines?  I can't
> > > reproduce the problem otherwise.  Frustrating!  Someone else on the
> list
> > > might have ideas as to what could cause this.
> >
> > Nope, this's a normal host. I've got securelevel on 1, but doubt that
> > would affect this?
>
> I assume it affects it.
>
> http://www.freebsd.org/doc/en/books/faq/security.html#SECURELEVEL
>
> Basically, when the securelevel is positive, the kernel restricts
> certain tasks; not even the superuser (i.e., root) is allowed to
> do them.
>
> There:
>
> # Write to kernel memory via /dev/mem and /dev/kmem.
>
> So I assume it also restricts reading /dev/kmem ?
>
>
OH YUCK, another root isn't really root, so is it also possibly
the reason for the MSIX failure?? Is this pile, er feature, on by default?

Jack