Hard Hang, nothing in logs / no panics
Kris Kennaway
kris at obsecurity.org
Thu Jun 7 19:43:14 UTC 2007
On Thu, Jun 07, 2007 at 08:23:32AM -0500, Roger Miranda wrote:
> On Friday 11 May 2007 16:47, Kris Kennaway wrote:
> > > Am I possible looking at a hardware issue? If so
> > > what is the best way to test for it?
> >
> > If that doesn't work then in my experience it is likely to be
> > hardware-related. The usual debugging procedure then involves trying
> > to replicate on an unrelated machine, and/or swapping out hardware
> > components.
>
> Kris,
>
> Sorry for the time delay.
>
> But we have confirmed this is not a hardware issue. We have is dead locking
> across multiple systems, when bridge a moderate amount of tcp connections.
>
> I have no idea how to debug this.
>
> Could it be an issues with if_config of pf? We are using the latest drivers
> form intel. But have ruled it out as being an driver or network card related
> problem.
And to confirm, WITNESS finds nothing and you are unable to break to
DDB even with STOP_NMI?
Kris
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