Kernel hang on 6.x

[R. Tyler Ballance]

On Dec 14, 2006, at 1:05 PM, Brian Dean wrote:

> Hi,
>
> We're experiencing a kernel hang on a 6.x quad processor Sun amd64
> based system.  We are able to reproduce it fairly reliably, but the
> environment to do so is not easily replicatable so I cannot provide a
> simple test case.  However, I have been able to build a debug kernel
> and when the system "hangs", I can break to the debugger prompt.  But
> once there, I'm not sure what to do to isolate where the system is
> hung up.  I have confirmed that the hang occurs in both SMP and
> uniprocessor mode.  Here are some system details:


I think you'll need to ship this machine to my house for further  
um....erm, diagnostics, yes, that's it ;)


On a more serious topic, can you paste the output from:


ddb> show pcpu
ddb>allpcpu
ddb>traceall
ddb>show alllocks
ddb>show lockedvnods

Just curious as to whether those would show more info, because you're  
right, that trace is about as informative as new printer paper :)


Cheers

R. Tyler Ballance: Lead Mac Developer at bleep. software
contact: tyler at bleepsoft.com | jabber: tyler at jabber.geekisp.com