HTT/SMP Dual Xeon systems unstable

[Stephen Montgomery-Smith]

John Baldwin wrote:

> 
> There is a problem in the kernel that causes with 3 or more processors 
> (including logical CPUs from HTT).  Disabling HTT in the BIOS is probably 
> your best bet as it will get you down to 2 CPUs which should work much 
> better.  HTT also isn't but so useful anyways for most workloads.  The 
> instability problems have just been fixed in HEAD and will hopefully be MFC'd 
> for 5.4 btw.
> 

It looks like I have lucked out so far, because I have this set up with 
no problems so far.  I hope this fix gets to 5.x-stable soon because for 
my particular workloads HTT helps a lot.

Stephen