domain_add(xxx) after domainfinalize...

[Marko Zec]

On Fri, 1 Aug 2014 15:42:30 -0700
Adrian Chadd <adrian at freebsd.org> wrote:

> I'd just make it a panic.  :)

Are you prepared to say goodbye to kldloading netgraph at runtime?

Marko

 
> 
> -a
> 
> 
> On 1 August 2014 15:21, John-Mark Gurney <jmg at funkthat.com> wrote:
> > Svatopluk Kraus wrote this message on Sat, Aug 02, 2014 at 00:05
> > +0200:
> >> Just what I've got in January 2011:
> >> http://lists.freebsd.org/pipermail/freebsd-hackers/2011-January/034037.html
> >
> > Sadly, after three (or six+) years, it is clear that these bugs will
> > not be fixed, and this warning message is not useful, since no one
> > has stepped up to fix them..
> >
> > btw, you might want to create a bug w/ the information you tracked
> > down to hopefully help the person that decides to finally fix them,
> > though I doubt they will ever be fixed as people apparently don't
> > see bad behavior...
> >
> > Unless someone fixes the bugs in the next few days, I will commit
> > the following patch:
> > Index: uipc_domain.c
> > ===================================================================
> > --- uipc_domain.c       (revision 266964)
> > +++ uipc_domain.c       (working copy)
> > @@ -227,15 +227,10 @@
> >                 printf("WARNING: attempt to domain_add(%s) before "
> >                     "domaininit()\n", dp->dom_name);
> >  #endif
> > -#ifdef notyet
> > -       KASSERT(domain_init_status < 2,
> > -           ("attempt to domain_add(%s) after domainfinalize()",
> > -           dp->dom_name));
> > -#else
> > -       if (domain_init_status >= 2)
> > -               printf("WARNING: attempt to domain_add(%s) after "
> > -                   "domainfinalize()\n", dp->dom_name);
> > -#endif
> > +       /*
> > +        * XXX - there are bugs WRT to adding domain after
> > domain_finalize is
> > +        * called
> > +        */
> >         mtx_unlock(&dom_mtx);
> >  }
> >
> >
> >> On Fri, Aug 1, 2014 at 9:34 PM, John-Mark Gurney
> >> <jmg at funkthat.com> wrote:
> >>
> >> > So, I have a laptop that devd loads the bluetooth module every
> >> > time..
> >> >
> >> > This means I get the following error on every boot:
> >> > WARNING: attempt to domain_add(bluetooth) after domainfinalize()
> >> > WARNING: attempt to domain_add(netgraph) after domainfinalize()
> >> >
> >> > Is there any real benefit to this warning?  I just looked at the
> >> > code, and the domain gets added despite the warning...
> >> >
> >> > Also, it looks like the pervious warning, we should just make
> >> > that an if/panic since it's clearly a programming bug, or kill
> >> > the ifndef INVARIANTS...
> >
> > --
> >   John-Mark Gurney                              Voice: +1 415 225
> > 5579
> >
> >      "All that I will do, has been done, All that I have, has not."
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