Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 23 Feb 2001 02:47:17 -0800
From:      Julian Elischer <julian@elischer.org>
To:        Kris Kennaway <kris@obsecurity.org>
Cc:        smp@freebsd.org, julian@freebsd.org
Subject:   Re: NETGRAPH broken with witness
Message-ID:  <3A963FB5.995FEA7D@elischer.org>
References:  <20010222231154.A852@mollari.cthul.hu> <3A963410.1C656DB3@elischer.org> <20010223020859.A4771@mollari.cthul.hu>

next in thread | previous in thread | raw e-mail | index | archive | help
Kris Kennaway wrote:
> 
> On Fri, Feb 23, 2001 at 01:57:36AM -0800, Julian Elischer wrote:
> > Kris Kennaway wrote:
> > >
> > > Apparently this was never tested: early in the boot phase I get the
> > > following panic:
> > >
> > > panic: spin lock netgraph worklist mutex not in order list
> > >
> > > and indeed the witness code appears to have no knowledge of the
> > > netgraph spinlocks.
> >
> > so how is it supposed to know?
> 
> From what I can gather, you add the locking hierarchy to be enforced
> to spin_order_list in kern.mutex.c

hmm tricky.. I thought initiating the damned thing would insert it.

I have no idea of the correct ordering.

> 
> Kris
> 
>   --------------------------------------------------------------------------------
>    Part 1.2Type: application/pgp-signature

-- 
      __--_|\  Julian Elischer
     /       \ julian@elischer.org
    (   OZ    ) World tour 2000-2001
---> X_.---._/  
            v

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-smp" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3A963FB5.995FEA7D>