Stability of RELENG_5_4 with dual Xeon

[Stephen Montgomery-Smith]

Andrew McNaughton wrote:
> 
> 
> On Mon, 16 May 2005, Erich Dollansky wrote:
> 
>> Hi,
>>
>> Andrew McNaughton wrote:
>>
>>>
>>> I'd be interested to hear people's recent experiences with Dual Xeons 
>>> under load with SMP on and HTT off.
>>>
>>> A while back there were stability problems with Dual Xeon machines.  
>>> I've got one of these in production with SMP turned off for the time 
>>
>>
>> Do you refere to the scheduler?
>>
>> Use the old BSD scheduler and you should be fine.
> 
> 
> I'm not familiar with the scheduler options.  Nothing changed from 
> GENERIC there.
> 
> When I comissioned the machine in February I ran RELENG_5_3 with the SMP 
> kernel config as supplied.  ie generic with the SMP option turned on.  
> No problems surfaced during setup, but when the box went live, it was 
> having kernel panics about every couple of hours.  Going back to the 
> GENERIC kernel solved the problem.
> 
> Andrew

I also had similar problems with 5.3 (that is using dual Xeon with SMP 
and HTT).  I could never get a dump either.

However, now I am using 5.4 and this problem has not reoccurred.  So my 
guess is that you are safe to use SMP and HTT.