After the last hang I added giant locks back in and the machine has
been up since.
I don't have a serial console, just a graphic console. When the
machine hangs it stops replying to ethernet packets at all protocol
levels and doesn't respond to keyboard input in any way, virtual
console or otherwise. If I run a script of the form
while(1)
sleep 1
date >> datelog
end
the file stops updating when the machine hangs.
I will define the debugger in the kernel (options DDB, right?), attach
a serial console, and do what I can to get more information on the
problem.
-Barry
Jack Vogel writes:
> On 11/10/06, Barry Boes <[EMAIL PROTECTED]> wrote:
> >
> > Luck ran out. Hard "must press the reset button" hang. No console
> > messages. The system was idle at the time.
> > Is there anything you'd like me to do to attempt to narrow down the
> > problem or get debugging output? I do not know if the freeze was
> > related to em or something else.
>
> Is this a machine running some graphic head? If not can you see anything
> on the console? Are you sure the machine is dead, like can you get in
> over the network... ? One thing I often do when you are dealing with
> unpredictable hangs is run 'vmstat 3' on one of the virtual terminals.
>
> You might also define the kernel debugger into your kernel, its best to have
> a serial console for this, I've seen the hardware console be locked but the
> serial will still work.
>
> The only way we will track this down is thru repetitive reproduction I'm
> afraid.
>
> Jack
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