Deadlock problems with 'kill PID' on CURRENT

[Robert Watson]

On Mon, 15 Nov 2004, Martin Blapp wrote:

> > syscons is typically a sign that some thread holding Giant is spinning, or
> > that Giant has been leaked.  Alternatively, some other lock is leaked, and
> > a thread with Giant waits on that lock.  You may be able to get into DDB
> > using the serial console as it doesn't require Giant (or you might not).
> 
> I was not able to get into DDB over serial console. Sorry for not saying
> this exactly. Hardlock. 

Any chance that any of the boxes has an NMI button?

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org      Principal Research Scientist, McAfee Research