ghosthunting: machine freeze 6.2R

[Kris Kennaway]

On Tue, May 22, 2007 at 12:24:36PM -0500, Roger Miranda wrote:
> On Tuesday 22 May 2007 11:41, Volker wrote:
> > There's nothing of interest in the logs (I suspect it's too late to
> > have any daemon write something to syslogd as the system is then
> > dead). As I also think, this is somehow related to network traffic,
> > I'll try to monitor it's traffic starting tomorrow. The tech guys at
> > the office there have to install a hub first (yes, it's remote to me
> > which makes investigation harder).
> >
> > As I think (well, guesswork) this might be related to GRE traffic
> > (the poptop server), I may stop this traffic at the firewall (and
> > take the service to another machine).
> >
> > What's the version of the system you're having trouble with? Is it
> > pre-6.2?
> >
> > I'm wondering if your machine also passes GRE traffic? Does it
> > provide pptp services?
> >
> > I've attached the latest dmesg, can you see any similarities (as it
> > still might be a hardware issue)?
> 
> Volker,
> 
> Yes.  We get nothing in the logs, No kernel panics, and we can not break to 
> the kernel debugger.

What happens if you enable INVARIANTS and/or WITNESS?

Kris