Re: 2.5.62-mjb3 (scalability / NUMA patchset)

[Martin J. Bligh]

>> > I turned on NMI watchdogs and when the system hung, I saw no output.
>> > My serial console is through a terminal server that isn't set up to
>> > pass along the sysrq, so I need to get this fixed.  In any case I
>> > backed out the patch that you suggested and I have had no system hangs
>> > since.
>> 
>> OK, I'll back out that patch for now, but it seems to indicate underlying
>> crud. What parameter did you set for NMI watchdog?
> 
> I set it to 1. In Documentation/nmi_watchdog.txt this looked like the
> only option.  Now that I look at apic.h, I see that I could set it to 2
> also. If you like I can try this also.

2 is what we used sucessfully last time, but I can't remember the
difference off the top of my head ... if you could try that, would be most
useful.

M.